JP4584543B2 - Oil-in-water emulsion composition - Google Patents
Oil-in-water emulsion composition Download PDFInfo
- Publication number
- JP4584543B2 JP4584543B2 JP2003099169A JP2003099169A JP4584543B2 JP 4584543 B2 JP4584543 B2 JP 4584543B2 JP 2003099169 A JP2003099169 A JP 2003099169A JP 2003099169 A JP2003099169 A JP 2003099169A JP 4584543 B2 JP4584543 B2 JP 4584543B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- acid
- emulsion composition
- water emulsion
- iob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000203 mixture Substances 0.000 title claims description 46
- 239000007764 o/w emulsion Substances 0.000 title claims description 28
- -1 polyoxyethylene triisostearate Polymers 0.000 claims description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical class OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 18
- 239000002537 cosmetic Substances 0.000 claims description 16
- 229920001577 copolymer Polymers 0.000 claims description 14
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 11
- 229930182478 glucoside Natural products 0.000 claims description 11
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims description 10
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims description 10
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 10
- 229960005070 ascorbic acid Drugs 0.000 claims description 10
- 239000002211 L-ascorbic acid Substances 0.000 claims description 9
- 235000000069 L-ascorbic acid Nutrition 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000194 fatty acid Substances 0.000 claims description 9
- 150000008131 glucosides Chemical class 0.000 claims description 9
- 229940047670 sodium acrylate Drugs 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 238000010586 diagram Methods 0.000 claims description 8
- GYDJEQRTZSCIOI-LJGSYFOKSA-N tranexamic acid Chemical class NC[C@H]1CC[C@H](C(O)=O)CC1 GYDJEQRTZSCIOI-LJGSYFOKSA-N 0.000 claims description 8
- JNAYPSWVMNJOPQ-UHFFFAOYSA-N 2,3-bis(16-methylheptadecanoyloxy)propyl 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCC(C)C)COC(=O)CCCCCCCCCCCCCCC(C)C JNAYPSWVMNJOPQ-UHFFFAOYSA-N 0.000 claims description 7
- 229960000401 tranexamic acid Drugs 0.000 claims description 7
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 6
- 239000010696 ester oil Substances 0.000 claims description 6
- HNDYULRADYGBDU-UHFFFAOYSA-N 8-methylnonyl benzoate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1 HNDYULRADYGBDU-UHFFFAOYSA-N 0.000 claims description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- SZLIWAKTUJFFNX-UHFFFAOYSA-N dihydrocitronellol benzoate Natural products CC(C)CCCC(C)CCOC(=O)C1=CC=CC=C1 SZLIWAKTUJFFNX-UHFFFAOYSA-N 0.000 claims description 5
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 4
- RWSXRVCMGQZWBV-WDSKDSINSA-N glutathione Chemical class OC(=O)[C@@H](N)CCC(=O)N[C@@H](CS)C(=O)NCC(O)=O RWSXRVCMGQZWBV-WDSKDSINSA-N 0.000 claims description 4
- 239000002736 nonionic surfactant Substances 0.000 claims description 4
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 4
- 239000004584 polyacrylic acid Substances 0.000 claims description 4
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 4
- WHNPOQXWAMXPTA-UHFFFAOYSA-N 3-methylbut-2-enamide Chemical compound CC(C)=CC(N)=O WHNPOQXWAMXPTA-UHFFFAOYSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 108010024636 Glutathione Proteins 0.000 claims description 2
- DRRMRHKHTQRWMB-UHFFFAOYSA-N [3-(2-ethylhexanoyloxy)-2,2-bis(2-ethylhexanoyloxymethyl)propyl] 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OCC(COC(=O)C(CC)CCCC)(COC(=O)C(CC)CCCC)COC(=O)C(CC)CCCC DRRMRHKHTQRWMB-UHFFFAOYSA-N 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 229960003180 glutathione Drugs 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- XJNUECKWDBNFJV-UHFFFAOYSA-N hexadecyl 2-ethylhexanoate Chemical compound CCCCCCCCCCCCCCCCOC(=O)C(CC)CCCC XJNUECKWDBNFJV-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims 8
- ASKIVFGGGGIGKH-UHFFFAOYSA-N 2,3-dihydroxypropyl 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCC(=O)OCC(O)CO ASKIVFGGGGIGKH-UHFFFAOYSA-N 0.000 claims 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims 2
- OVYMWJFNQQOJBU-UHFFFAOYSA-N 1-octanoyloxypropan-2-yl octanoate Chemical compound CCCCCCCC(=O)OCC(C)OC(=O)CCCCCCC OVYMWJFNQQOJBU-UHFFFAOYSA-N 0.000 claims 1
- CMCWVRUJYRPRFH-UHFFFAOYSA-N 2-(2,2-dimethylpropanoyloxy)propyl 2,2-dimethylpropanoate Chemical group CC(C)(C)C(=O)OC(C)COC(=O)C(C)(C)C CMCWVRUJYRPRFH-UHFFFAOYSA-N 0.000 claims 1
- UIVPNOBLHXUKDX-UHFFFAOYSA-N 3,5,5-trimethylhexyl 3,5,5-trimethylhexanoate Chemical compound CC(C)(C)CC(C)CCOC(=O)CC(C)CC(C)(C)C UIVPNOBLHXUKDX-UHFFFAOYSA-N 0.000 claims 1
- 229940074052 glyceryl isostearate Drugs 0.000 claims 1
- 229940100554 isononyl isononanoate Drugs 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 239000001384 succinic acid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000012071 phase Substances 0.000 description 21
- 239000003921 oil Substances 0.000 description 20
- 238000011156 evaluation Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 14
- 239000002884 skin cream Substances 0.000 description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 12
- 230000035515 penetration Effects 0.000 description 12
- 239000008346 aqueous phase Substances 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 229920001296 polysiloxane Polymers 0.000 description 9
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 8
- OGBUMNBNEWYMNJ-UHFFFAOYSA-N batilol Chemical compound CCCCCCCCCCCCCCCCCCOCC(O)CO OGBUMNBNEWYMNJ-UHFFFAOYSA-N 0.000 description 8
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 8
- 239000000839 emulsion Substances 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000013329 compounding Methods 0.000 description 5
- 238000004945 emulsification Methods 0.000 description 5
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 5
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical group OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- 229940058015 1,3-butylene glycol Drugs 0.000 description 4
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 4
- IWWCATWBROCMCW-UHFFFAOYSA-N batyl alcohol Natural products CCCCCCCCCCCCCCCCCCOC(O)CO IWWCATWBROCMCW-UHFFFAOYSA-N 0.000 description 4
- 235000019437 butane-1,3-diol Nutrition 0.000 description 4
- 229960000541 cetyl alcohol Drugs 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 239000003205 fragrance Substances 0.000 description 4
- BJRNKVDFDLYUGJ-RMPHRYRLSA-N hydroquinone O-beta-D-glucopyranoside Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=C(O)C=C1 BJRNKVDFDLYUGJ-RMPHRYRLSA-N 0.000 description 4
- 229940057995 liquid paraffin Drugs 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000001993 wax Substances 0.000 description 4
- IZZIWIAOVZOBLF-UHFFFAOYSA-N 5-methyloxysalicylic acid Natural products COC1=CC=C(O)C(C(O)=O)=C1 IZZIWIAOVZOBLF-UHFFFAOYSA-N 0.000 description 3
- 229920002907 Guar gum Polymers 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 235000010417 guar gum Nutrition 0.000 description 3
- 239000000665 guar gum Substances 0.000 description 3
- 229960002154 guar gum Drugs 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229960004889 salicylic acid Drugs 0.000 description 3
- 239000001509 sodium citrate Substances 0.000 description 3
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 3
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 3
- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 description 2
- GHOKWGTUZJEAQD-ZETCQYMHSA-N (D)-(+)-Pantothenic acid Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-ZETCQYMHSA-N 0.000 description 2
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- MPDGHEJMBKOTSU-YKLVYJNSSA-N 18beta-glycyrrhetic acid Chemical compound C([C@H]1C2=CC(=O)[C@H]34)[C@@](C)(C(O)=O)CC[C@]1(C)CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@H](O)C1(C)C MPDGHEJMBKOTSU-YKLVYJNSSA-N 0.000 description 2
- WXTMDXOMEHJXQO-UHFFFAOYSA-N 2,5-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC(O)=CC=C1O WXTMDXOMEHJXQO-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 2
- AUZQQIPZESHNMG-UHFFFAOYSA-N 3-methoxysalicylic acid Chemical compound COC1=CC=CC(C(O)=O)=C1O AUZQQIPZESHNMG-UHFFFAOYSA-N 0.000 description 2
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 2
- MRIXVKKOHPQOFK-UHFFFAOYSA-N 4-methoxysalicylic acid Chemical compound COC1=CC=C(C(O)=O)C(O)=C1 MRIXVKKOHPQOFK-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
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- VYGQUTWHTHXGQB-FFHKNEKCSA-N Retinol Palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C VYGQUTWHTHXGQB-FFHKNEKCSA-N 0.000 description 2
- PHYFQTYBJUILEZ-UHFFFAOYSA-N Trioleoylglycerol Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCCCCCCCC)COC(=O)CCCCCCCC=CCCCCCCCC PHYFQTYBJUILEZ-UHFFFAOYSA-N 0.000 description 2
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- RGZSQWQPBWRIAQ-CABCVRRESA-N (-)-alpha-Bisabolol Chemical compound CC(C)=CCC[C@](C)(O)[C@H]1CCC(C)=CC1 RGZSQWQPBWRIAQ-CABCVRRESA-N 0.000 description 1
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Landscapes
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Description
【0001】
【発明の属する技術分野】
本発明は使用性および安定性に優れた水中油型乳化組成物およびこれを用いた化粧料に関する。さらに詳しくは、皮膚や毛髪上でのびが軽く、べたつかず、有効成分が肌や毛髪に浸透していく感じの浸透感に優れ、うるおいを与え、しっとりし、しかも経時安定性にも優れた水中油型乳化組成物およびこれを用いた化粧料に関する。
【0002】
【従来の技術】
水中油型乳化組成物を調製する場合、経時安定性を考慮すれば、HLB10以上の界面活性剤を用いて各種油剤を乳化するのが一般的であり、理論上も成り立つこととして日頃行われている。しかしながら、化粧料として考えた場合、前記のような方法によって調製された乳化化粧料は、安定性には優れるものの、皮膚や毛髪に塗布した場合、のびや肌や毛髪へのなじみが悪く、べたついて、浸透感に劣るものであり、必ずしも使用性に満足できるものではなかった。
【0003】
近年、べたつきを低減し、さっぱりさを得るために、水中油型の非連続相となる油相に極性油を用いる場合が多くみられる。そして、極性油を用いて安定な水中油型の乳化化粧料を得るために、乳化剤として、POE硬化ヒマシ油(POE60)(HLB=14)、POEベヘニルエーテル(POE30)(HLB=15)、POEグリセリルモノステアレート(POE40)(HLB=17)などのHLB10以上の界面活性剤が用いられている。
【0004】
しかしながら、これらHLBの高い界面活性剤を乳化剤として用いた場合には、経時安定性には優れるものの、のびや肌や毛髪へのなじみが悪く、べたついて、有効成分が肌や毛髪に浸透していく感じの浸透感には劣るものであった。
【0005】
なお本出願に関する記載すべき先行技術文献情報は、特にはない。
【0006】
【発明が解決しようとする課題】
本発明は、上記従来技術の問題点を解決するためになされたものであり、その目的は、乳化安定性が良好で、しかも使用性に優れる水中油型乳化組成物およびこれを用いた化粧料を提供することにある。
【0007】
【課題を解決するための手段】
本発明者らは、上記課題を達成するために鋭意検討した結果、水中油型乳化組成物を調製するのに、あえてHLBの低いHLB7〜9の界面活性剤を乳化剤として用い、さらに、安定性を保つために内油相に全乳化組成物に対し、0.5質量%以上の高級アルコールを添加して、内油相の固化作用により、経時安定性に優れ、しかものびが軽く、皮膚や毛髪へのなじみがよく、しっとりとし、べたつかない水中油型の乳化組成物が得られることを見出した。
【0008】
すなわち本発明は、(A)トリ脂肪酸POEグリセリル類、セトステアリルグルコシド、およびセテアリルグルコシドの中から選ばれる1種または2種以上のHLB7〜9の非イオン性界面活性剤を0.1〜5.0質量%、(B)有機概念図におけるIOBが0.2〜0.6のエステル油を0.1〜30.0質量%、(C)0.5質量%以上の高級アルコール、および(D)アクリルアミド系増粘剤を0.01〜3.0質量%含有する水中油型乳化組成物に関する。
【0009】
上記において、(A)成分として、トリイソステアリン酸POEグリセリル(POE20)、トリオレイン酸POEグリセリル(POE20)、トリイソステアリン酸POEグリセリル(POE7)の中から選ばれる1種または2種以上のトリ脂肪酸POEグリセリル類を含むものであるのが好ましい。
【0011】
上記において、(D)成分が、ビニルピロリドン/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、ジメチルアクリルアミド/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、アクリル酸アミド/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、ポリアクリル酸アミドとポリアクリル酸ナトリウムの混合物、アクリル酸ナトリウム/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、ポリアクリル酸アンモニウム、ポリアクリルアミド/アクリル酸アンモニウム共重合体、アクリルアミド/アクリル酸ナトリウム共重合体の中から選ばれる1種または2種以上であるものが好ましい。
【0012】
また本発明は、さらに(E)塩型薬剤成分を含有する、上記水中油型乳化組成物に関する。
【0013】
また本発明は、上記水中油型乳化組成物を用いた化粧料に関する。
【0014】
【発明の実施の形態】
以下、本発明について詳述する。
本発明で用いられる(A)成分としてのHLB7〜9の非イオン性界面活性剤は、トリ脂肪酸POEグリセリル類、セトステアリルグルコシド、およびセテアリルグルコシドの中から選ばれる1種または2種以上である。
【0021】
トリ脂肪酸POEグリセリル類としては、トリイソステアリン酸POEグリセリル(POE20)、トリオレイン酸POEグリセリル(POE20)、トリイソステアリン酸POEグリセリル(POE7)等が挙げられる。
【0025】
中でも使用性(肌へのなじみ、毛髪へのなじみ)の点からトリ脂肪酸POEグリセリル類が好ましく、特にはトリイソステアリン酸POEグリセリル(POE20)が最も好ましい。
【0026】
HLB7未満の界面活性剤を使用した場合には、水中油型乳化組成物を調製できず、一方、HLB9を超えた界面活性剤を用いた場合には、系の安定性には優れるものの、使用性の面において、目的とするのび、皮膚や毛髪に対するなじめのよさ、有効成分が浸透していく感じの浸透感を得ることができない。
【0027】
(A)成分は1種または2種以上を用いることができる。(A)成分の配合量は、本発明化粧料中、0.1〜5.0質量%であり、好ましくは0.2〜3.0質量%である。0.1質量%未満では、系の安定性乏しく、一方、5.0質量%を超えて配合しても、効果を増強するものではなく、かえってべたつきを生じるものとなる。
【0028】
本発明に用いられる(B)成分としてのエステル油は有機概念図におけるIOBが0.2〜0.6のものである。
有機概念図とは、藤田穆により提案されたものであり、その詳細は"Pharmaceutical Bulletin", vol.2, 2, pp.163-173(1954)、「化学の領域」vol.11, 10, pp.719-725(1957)、「フレグランスジャーナル」, vol.50, pp.79-82(1981)等で説明されている。すなわち、すべての有機化合物の根源をメタン(CH4)とし、他の化合物はすべてメタンの誘導体とみなして、その炭素数、置換基、変態部、環等にそれぞれ一定の数値を設定し、そのスコアを加算して有機性値、無機性値を求め、この値を有機性値をX軸、無機性値をY軸にとった図上にプロットしていくものである。この有機概念図は、「有機概念図−基礎と応用−」(甲田善生著、三共出版、1984)等にも示されている。
有機概念図におけるIOBとは、有機概念図における有機性値(OV)に対する無機性値(IV)の比、すなわち「無機性値(IV)/有機性値(OV)」をいう。
本発明の(B)成分としてのエステル油は、さっぱりしてべたつかないという点から、該IOBが0.2〜0.6であることが必要である。IOBが0.2未満のエステル油では、敏感な肌に対して刺激を生じる場合があり、また、使用感の面でもさっぱりせず、べたつく感触を生じる場合がある。一方、IOBが0.6を超えるものでは、水に溶解しやすくなり、油分としての機能を発揮しなくなる。
【0029】
上記(B)成分の具体例としては、ジネオペンタン酸トリプロピレングリコール(IOB=0.52)、イソデシルベンゾエート(IOB=0.23)、ジカプリル酸プロピレングリコール(IOB=0.32)、イソノナン酸イソノニル(IOB=0.2)、2−エチルヘキサン酸セチル(IOB=0.52)、トリ2−エチルヘキサン酸グリセリル(IOB=0.36)、テトラ2−エチルヘキサン酸ペンタエリスリト(IOB=0.35)、コハク酸ジ2−エチルヘキシル(IOB=0.32)等が挙げられるが、これら例示に限定されるものでない。(B)成分は1種または2種以上を用いることができる。
【0030】
(B)成分の配合量は、使用性の点から、本発明化粧料中、0.1〜30.0質量%であり、好ましくは0.5質量〜20.0質量%である。0.1質量%未満では、本発明の効果であるさっぱりとして、べたつきのない感触を感じることができない。
【0031】
本発明に用いられる(C)成分として高級アルコールは、一般式R1OH(R1は炭素原子数6〜30、好ましくは12〜22のアルキル基を表す)で表される1価アルコール、一般式CH2OH−CHOH−CH2OR2(R2は炭素原子数6〜30、好ましくは12〜22のアルキル基またはアルキレン基を表す)で表されるグリセリンモノアルキルエーテルが好ましく用いられる。上記式において、Rが炭素原子数6未満の基では、本発明の効果が得られず、一方、Rの炭素原子数が30超の基では系の安定性を保持できない。
【0032】
(C)成分の具体例としては、例えば、ヘキシルアルコール、オクチルアルコール、セチルアルコール、ステアリルアルコール、セリルアルコール、ベヘニルアルコール、トリアコンチルアルコール、セラキルアルコール、バチルアルコール等が挙げられるが、これら例示に限定されるものでない。
【0033】
(C)成分の配合量は、本発明化粧料中、0.5〜10.0質量%が好ましく、より好ましくは0.5〜8.0質量%である。0.5質量%未満では、本発明の効果、すなわち、内油相を固化作用に劣り、安定性に問題を生じ、しかも使用性の面においても本発明の効果であるしっとりとしながらもさっぱりとして、べたつきのない感触を得ることができない。一方、10.0質量%を超えて配合しても本発明の効果を増強せず、逆にしっとりするが、さっぱりしない感触となってしまい、また、安定性の面においても問題を生じる。
【0034】
本発明では、特に、化粧料としてより望ましいローション状やクリーム状の製品を得るために、上記(A)〜(C)成分に加えてさらに、(D)アクリルアミド系増粘剤を配合する。
【0035】
該(D)成分としては、ビニルピロリドン/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、ジメチルアクリルアミド/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、アクリル酸アミド/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、ポリアクリル酸アミドとポリアクリル酸ナトリウムの混合物、アクリル酸ナトリウム/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体、ポリアクリルアミド/アクリル酸アンモニウム共重合体、アクリルアミド/アクリル酸ナトリウム共重合体等が挙げられるが、これら例示に限定されるものでない。(D)成分は1種または2種以上を用いることができる。
【0036】
(D)成分の配合量は、本発明化粧料中、0.01〜3.0質量%であり、好ましくは0.05〜2.5質量%である。
【0037】
なお増粘剤として、本願発明の効果を損なわない範囲で、上記(D)成分以外の他の増粘剤、例えばカルボキシビニルポリマー、ポリアクリル酸アンモニウム、ポリアクリル酸ナトリウム、アクリル酸ナトリウム/アクリル酸アルキル/メタクリル酸ナトリウム/メタクリル酸アルキル共重合体、(アクリル酸ヒドロキシエチル/アクリロイルジメチルタウリンナトリウム)共重合体などを配合することもできる。
【0038】
本発明ではさらに、(E)塩型薬剤を配合してもよい。(E)成分は塩を形成可能な水溶性の薬剤を意味し、本発明においては水溶性薬剤であれば特に制限がなく希望する薬剤を配合することができる。例えば、L−アスコルビン酸およびその誘導体の塩、トラネキサム酸およびその誘導体の塩、アルコキシサリチル酸およびその誘導体の塩、グルタチオンおよびその誘導体の塩などが好ましいものとして挙げられるが、これら例示に限定されるものでない。
【0039】
L−アスコルビン酸は、一般にビタミンCと言われ、強い還元作用により細胞呼吸作用、酵素賦活作用、膠原形成作用を有し、かつメラニン還元作用を有する。L−アスコルビン酸誘導体としては、L−アスコルビン酸モノステアレート、L−アスコルビン酸モノパルミテート、L−アスコルビン酸モノオレートなどのL−アスコルビン酸モノアルキルエステル類;L−アスコルビン酸モノリン酸エステル、L−アスコルビン酸−2−硫酸エステルなどのL−アスコルビン酸モノエステル類;L−アスコルビン酸ジステアレート、L−アスコルビン酸ジパルミテート、L−アスコルビン酸ジオレートなどのL−アスコルビン酸ジアルキルエステル類;L−アスコルビン酸トリステアレート、L−アスコルビン酸トリパルミテート、L−アスコルビン酸トリオレートなどのL−アスコルビン酸トリアルキルエステル類;L−アスコルビン酸トリリン酸エステルなどのL−アスコルビン酸トリエステル類;L−アスコルビン酸2−グルコシドなどのL−アスコルビン酸グルコシド類などが挙げられる。本発明ではL−アスコルビン酸、L−アスコルビン酸リン酸エステル、L−アスコルビン酸−2−硫酸エステル、L−アスコルビン酸2−グルコシドの各塩の形で好適に用いられる。
【0040】
トラネキサム酸誘導体としては、トラネキサム酸の二量体、(例えば、塩酸トランス−4−(トランス−アミノメチルシクロヘキサンカルボニル)アミノメチルシクロヘキサンカルボン酸、等)、トラネキサム酸とハイドロキキノンのエステル体(例えば、4−(トランス−アミノメチルシクロヘキサンカルボン酸4’−ヒドロキシフェニルエステル、等)、トラネキサム酸とゲンチシン酸のエステル体(例えば、2−(トランス−4−アミノメチルシクロヘキシルカルボニルオキシ)−5−ヒドロキシ安息香酸、等)、トラネキサム酸のアミド体(例えば、トランス−4−アミノメチルシクロヘキサンカルボン酸メチルアミド、トランス−4−(p−メトキシベンゾイル)アミノメチルシクロヘキサンカルボン酸、トランス−4−グアニジノメチルシクロヘキサンカルボン酸、等)などが挙げられる。本発明ではトラネキサム酸の塩あるいはトラネキサム酸誘導体の塩の形で好適に用いられる。
【0041】
アルコキシサリチル酸は、サリチル酸の3位、4位または5位のいずれかの水素原子がアルコキシ基にて置換されたものであり、置換基であるアルコキシ基は、好ましくはメトキシ基、エトキシ基、プロポキシ基、イソプロポキシ基、ブトキシ基、イソブトキシ基のいずれかであり、さらに好ましくはメトキシ基またはエトキシ基である。具体的に化合物名を例示すれば、3−メトキシサリチル酸、3−エトキシサリチル酸、4−メトキシサリチル酸、4−エトキシサリチル酸、4−プロポキシサリチル酸、4−イソプロポキシサリチル酸、4−ブトキシサリチル酸、5−メトキシサリチル酸、5−エトキシサリチル酸、5−プロポキシサリチル酸などが挙げられる。本発明ではアルコキシサリチル酸およびその誘導体(エステルなど)の各塩の形で好適に用いられる。
【0042】
上記薬剤の塩としては、特に限定されないが、例えば、ナトリウム塩、カリウム塩、カルシウム塩のようなアルカリ金属塩またはアルカリ土類金属塩のほか、アンモニウム塩、アミノ酸塩等の塩が挙げられる。
【0043】
(E)成分は1種または2種以上を用いることができ、その配合量は任意である。製品設計において希望する塩型薬剤の配合量を水相成分の配合量と調整しながら適宜決定する。例えば、水相成分全量に対して、0.1〜30.0質量%程度配合される。
【0044】
本発明の水中油型乳化組成物では、油相成分とともに水相成分が配合される。水相成分は、水若しくは水を主成分とする水相に、これに各種水溶性成分を含むものである。水相成分が、水中油型乳化組成物全量に対して、50.0〜90.0質量%配合された場合、本発明の効果はさらに効果的に発揮され、水中油型乳化組成物を得ることができる。水相成分が50.0質量%未満であると、重さを感じ、べたつきを生じる場合がある。一方、90.0質量%を超えると、さっぱりしているが、しっとりせず、本発明の効果であるしっとりとしながらもさっぱりとした使用感が得られにくくなる。
【0045】
本発明の水中油型乳化組成物においては、内油相中の(C)成分の固化作用により乳化組成物を安定化させているため、希望する配合量の(E)成分を安定に配合できるという利点を有する。さらに、(E)成分による粘度低下を起すことがなく、安定した水中油型乳化組成物が得られる。
【0046】
本発明の水中油型乳化組成物においては、上記成分のほかに、通常乳化組成物に配合され得る成分を、本発明の効果を損なわない範囲で適宜配合することができる。このような成分としては、例えば紫外線吸収剤、紫外線散乱剤、ロウ類、シリコーン油、多価アルコール、水溶性高分子等が挙げられるが、これらに限定されるものではない。
【0047】
紫外線吸収剤としては、例えば、パラアミノ安息香酸、オクチル−p−メトキシシンナメート(2−エチルヘキシル−p−メトキシシンナメート)、グリセリルモノ−2−エチルヘキサノイル−ジパラメトキシシンナメート、トリメトキシケイ皮酸メチルビス(トリメチルシロキサン)シリルイソペンチル等のケイ皮酸系紫外線吸収剤、2,2’−ヒドロキシ−5−メチルフェニルベンゾトリアゾール、2−(2’−ヒドロキシ−5’−t−オクチルフェニル)ベンゾトリアゾール、2−(2’−ヒドロキシ−5’−メチルフェニルベンゾトリアゾール、4−メトキシ−4’−t−ブチルジベンゾイルメタン、5−(3,3−ジメチル−2−ノルボルニリデン)−3−ペンタン−2−オン、ビス−エチルヘキシルオキシフェノール−メトキシフェニル−トリアジン、2,4,6−トリス[4−(2−エチルヘキシルオキシカルボニル)アニリノ]1,3,5−トリアジン、ジモルホリノピリダジノン等が挙げられる。
【0048】
紫外線散乱剤としては、例えば、平均粒径10〜100nmの微粒子酸化チタン、微粒子酸化亜鉛、微粒子酸化鉄、微粒子酸化セリウムなどの粉末が挙げられる。
【0049】
また、メチルハイドロジェンポリシロキサンやシランカップリング剤などのシリコーン処理;金属石鹸処理;パーフルオロアルキルリン酸ジエタノールアミン塩やパーフルオロアルキルシラン等のフッ素処理、デキストリン脂肪酸エステル処理等により、疎水化処理した紫外線散乱剤も剤系によって適宜配合できる。
【0050】
ロウ類としては、例えば、ミツロウ、カンデリラロウ、カルナウバロウ、ラノリン、液状ラノリン、ジョジョバロウ等が挙げられる。
【0051】
炭化水素油としては、例えば、流動パラフィン、オゾケライト、スクワラン、プリスタン、パラフィン、セレシン、スクワレン、ワセリン、マイクロクリスタリンワックス、ポリエチレンワックス、フィッシャートロプッシュワックス等が挙げられる。
【0052】
シリコーン油としては、例えば、鎖状ポリシロキサン(例えば、ジメチルポリシロキサン、メチルフェニルポリシロキサン、ジフェニルポリシロキサン等);環状ポリシロキサン(例えば、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン等)、3次元網目構造を形成しているシリコーン樹脂、平均分子量20万以上のシリコーンゴム、各種変性ポリシロキサン(アミノ変性ポリシロキサン、ポリエーテル変性ポリシロキサン、アルキル変性ポリシロキサン、フッ素変性ポリシロキサン等)等が挙げられる。
【0053】
多価アルコールとしては、例えば、ポリエチレングリコール,グリセリン、ジグリセリン、1,3−ブチレングリコール,エリスリトール、ソルビトール、キシリトール、マルチトール、1,2−ペンタンジオール、ヘキシレングリコール等が挙げられる。
【0054】
水溶性高分子としては、例えば、カラギーナン、ペクチン、マンナン、カードラン、コンドロイチン硫酸、デンプン、グリコーゲン、アラビアガム、ヒアルロン酸ナトリウム、トラガントガム、キサンタンガム、ムコイチン硫酸、ヒドロキシエチルグアガム、カルボキシメチルグアガム、グアガム、デキストラン、ケラト硫酸、ローカストビーンガム、サクシノグルカン、キチン、キトサン、カルボキシメチルキチン、寒天等が挙げられる。
【0055】
その他、エタノール等の低級アルコール;ブチルヒドロキシトルエン、δ−トコフェロール、フィチン等の酸化防止剤;安息香酸、サリチル酸、ソルビン酸、パラオキシ安息香酸アルキルエステル、フェノキシエタノール、ヘキサクロロフェン、ε−ポリリジン等の防腐剤;クエン酸、乳酸、ヘキサメタリン酸等の有機または無機酸よびその塩;ビタミンA、ビタミンAパルミテート、ビタミンAアセテート等のビタミンA誘導体、ビタミンB6塩酸塩、ビタミンB6トリパルミテート、ビタミンB6ジオクタノエート、ビタミンB2およびその誘導体、ビタミンB12、ビタミンB15およびその誘導体等のビタミンB類、α−トコフェロール、β−トコフェロール、ビタミンEアセテート等のビタミンE類、ビタミンD類、ビタミンH、パントテン酸、パンテチン等のビタミン類;γ−オリザノール、アラントイン、グリチルリチン酸(塩)、グリチルレチン酸、グリチルレチン酸ステアリル、ヒノキチオール、ビサボロール、ユーカルプトーン、チモール、イノシトール、サイコサポニン、ニンジンサポニン、ヘチマサポニン、ムクロジサポニン等のサポニン類、パントテニルエチルエーテル、アルブチン、セファランチン等の各種薬剤、ギシギシ、クララ、コウホネ、オレンジ、セージ、ノコギリソウ、ゼニアオイ、センブリ、タイム、トウキ、トウヒ、バーチ、スギナ、ヘチマ、マロニエ、ユキノシタ、オウゴン、アルニカ、ユリ、ヨモギ、シャクヤク、アロエ、クチナシ、サクラリーフ等の植物の抽出物、β−カロチン等の色素等も配合することができる。
【0056】
本発明の水中油型乳化組成物を用いた具体的な化粧料としては、乳液、スキンクリーム、ヘアクリーム、リキッドファンデーション、アイライナー、マスカラ、アイシャドウ等の乳液状あるいはクリーム状の製品がある。これら製品の製造は、前記した必須成分およびこれらの化粧料に通常配合される成分を配合して常法により製造することができる。
【0057】
【実施例】
本発明について以下に実施例を挙げてさらに詳述するが、本発明はこれによりなんら限定されるものではない。配合量は特記しない限り質量%で示す。
【0058】
[実施例1〜8および比較例1〜4、参考例1〜2]
下記表1〜3に示す処方で、水中油型乳化組成物であるスキンクリームを下記方法により製造した。
(製法)
(1)〜(9)を70℃にて均一に混合溶解した(油相)。一方、(10)〜(14)を70℃にて均一に混合溶解した(水相)。次いで、70℃を保持した水相に、70℃の油相を徐添しながら、ホモミキサーで乳化した。乳化を終了したら、40℃以下まで急冷し、目的の水中油型の乳化スキンクリームを得た。
【0059】
なお表1〜3中、トリイソステアリン酸POEグリセリル(POE=20)(HLB=7)(*1)は「エマレックスGWIS−320」(日本エマルジョン社製)を、セトステアリルグルコシド(HLB=7)(*2)は「EMULGADE PL68/50」(COGNIS社製)を、POE硬化ヒマシ油(POE=60)(HLB=14)(*3)は「エマレックスHC−60」(日本エマルジョン社製)を、2−アクリルアミド−2−メチルプロパンスルホン酸共重合体(*4)は「SIMULGEL EG」(SEPIC社製)を、それぞれ用いた。
【0060】
得られたクリーム(試料)について、下記試験方法により安定性および使用性(のび、べたつき、さっぱりさ、浸透感)を評価した。
【0061】
[安定性試験]
試料を50℃、1ヶ月間放置後の外観を、目視にて観察し、下記評価基準により判定した。
(評価基準)
○ :分離が全くみられなかった
△ :分離がほとんどみられなかった
× :液相(油相または水相)の分離が生じた
【0062】
[使用性(のび)]
女性専門パネル(10名)による実使用試験を行い、肌へののびについて、それぞれ下記の評価基準により評価してもらった。
(評価基準)
◎: 10名全員が、のびが軽く、なめらかな使用性を有すると判定
○: 7〜9名が、のびが軽く、なめらかな使用性を有すると判定
△: 3〜6名が、のびが軽く、なめらかな使用性を有すると判定
×: 0〜2名が、のびが軽く、なめらかな使用性を有すると判定
【0063】
[使用性(べたつき)]
女性専門パネル(10名)による実使用試験を行い、べたつきについて、それぞれ下記の評価基準により評価してもらった。
(評価基準)
◎: 10名全員が、べたつきがなく、しっとりした使用性を有すると判定
○: 7〜9名が、べたつきがなく、しっとりした使用性を有すると判定
△: 3〜6名が、べたつきがなく、しっとりした使用性を有すると判定
×: 0〜2名が、べたつきがなく、しっとりした使用性を有すると判定
【0064】
[使用性(さっぱりさ)]
女性専門パネル(10名)による実使用試験を行い、さっぱりさについて、それぞれ下記の評価基準により評価してもらった。
(評価基準)
◎: 10名全員が、さっぱりさがある使用性を有すると判定
○: 7〜9名が、さっぱりさがある使用性を有すると判定
△: 3〜6名が、さっぱりさがある使用性を有すると判定
×: 0〜2名が、さっぱりさがある使用性を有すると判定
【0065】
[使用性(浸透)]
女性専門パネル(10名)による実使用試験を行い、浸透感について、それぞれ下記の評価基準により評価してもらった。
(評価基準)
◎: 10名全員が、浸透感がある使用性を有すると判定
○: 7〜9名が、浸透感がある使用性を有すると判定
△: 3〜6名が、浸透感がある使用性を有すると判定
×: 0〜2名が、浸透感がある使用性を有すると判定
【0066】
【表1】
【0067】
【表2】
【0068】
【表3】
【0069】
表1〜3の結果から、本発明である実施例1〜8の水中油型のスキンクリームは、優れた安定性と使用性を有していることがわかる。
【0070】
以下に本発明のその他の実施例として、実施例9、11、および12(実施例10は欠番)を示す。
【0071】
実施例9 スキンクリーム
(配 合 成 分) 質量%
(1)流動パラフィン 2.0
(2)デカメチルシクロペンタシロキサン 6.0
(3)イソデシルベンゾエート(IOB=0.23) 6.0
(4)セテアリルグルコシド(HLB=7) 3.0
(商品名:「MONTANOV 68」;SEPIC社製)
(5)セチルアルコール 2.5
(6)バチルアルコール 2.5
(7)香料 0.1
(8)イオン交換水 残 余
(9)1,3−ブチレングリコール 3.0
(10)アスコルビン酸グルコシド 2.0
(11)パラベン 0.15
(12)エタノール 3.0
(13)水酸化ナトリウム 0.4
(14)ビニルピロリドン/2−アクリルアミド−
2−メチルプロパンスルホン酸共重合体 0.5
(商品名:「ARISTFLEX AVC」;CLARIANT社製)
(15)クエン酸 0.09
(16)クエン酸ナトリウム 0.01
(製法)
(1)〜(7)を70℃にて均一に混合溶解した(油相)。一方、(8)〜(16)を70℃にて均一に混合溶解した(水相)。70℃に保持した水相に油相を徐添しながら、ホモミキサーで乳化した。乳化が終了したら、40℃以下に急冷し、目的のスキンクリームを得た。
(製品の性状)
得られたスキンクリームについて、実施例1〜8と同様の評価を行ったところ、使用性に優れ(使用性評価:べたつき、のびおよびさっぱりさ、浸透感とも◎)、皮膚に塗布した場合、うるおいを与え、のびが軽く、さっぱりしていながらもしっとりした感触を有しており、しかも、べたつかず、安定性も良好(安定性評価:○)なものであった。
【0075】
実施例11 スキンクリーム
(配 合 成 分) 質量%
(1)流動パラフィン 2.0
(2)デカメチルシクロペンタシロキサン 6.0
(3)イソデシルベンゾエート(IOB=0.23) 6.0
(4)セテアリルグルコシド(HLB=7) 3.0
(商品名:「MONTANOV 68」;SEPIC社製)
(5)セチルアルコール 2.5
(6)バチルアルコール 2.5
(7)香料 0.1
(8)イオン交換水 残 余
(9)1,3−ブチレングリコール 3.0
(10)アルブチン 5.0
(11)アスコルビン酸燐酸エステルマグネシウム 1.0
(12)パラベン 0.15
(13)エタノール 3.0
(14)水酸化ナトリウム 0.4
(15)アクリル酸ナトリウム/2−アクリルアミド−
2−メチルプロパンスルホン酸共重合体 0.5
(商品名「SIMULGEL EG」;SEPIC社製)
(16)クエン酸 0.09
(17)クエン酸ナトリウム 0.01
(製法)
(1)〜(7)を70℃にて均一に混合溶解した(油相)。一方、(8)〜(17)を70℃にて均一に混合溶解した(水相)。70℃に保持した水相に油相を徐添しながら、ホモミキサーで乳化した。乳化が終了したら、40℃以下に急冷し、目的のスキンクリームを得た。
(製品の性状)
得られたスキンクリームについて、実施例1〜8と同様の評価を行ったところ、使用性に優れ(使用性評価:べたつき、のびおよびさっぱりさ、浸透感とも◎)、皮膚に塗布した場合、うるおいを与え、のびが軽く、さっぱりしていながらもしっとりした感触を有しており、しかも、べたつかず、安定性も良好(安定性評価:○)なものであった。
【0076】
実施例12 スキンクリーム
(配 合 成 分) 質量%
(1)流動パラフィン 2.0
(2)デカメチルシクロペンタシロキサン 6.0
(3)イソデシルベンゾエート(IOB=0.23) 6.0
(4)セテアリルグルコシド(HLB=7) 3.0
(商品名:「MONTANOV 68」;SEPIC社製)
(5)セチルアルコール 2.5
(6)バチルアルコール 2.5
(7)香料 0.1
(8)イオン交換水 残 余
(9)1,3−ブチレングリコール 3.0
(10)トリメチルグリシン 1.0
(11)4−メトキシサリチル酸カリウム 2.0
(12)フェノキシエタノール 0.15
(13)エタノール 3.0
(14)水酸化ナトリウム 0.4
(15)アクリル酸ナトリウム/2−アクリルアミド−
2−メチルプロパンスルホン酸共重合体 0.5
(商品名「SIMULGEL EG」;SEPIC社製)
(16)クエン酸 0.09
(17)クエン酸ナトリウム 0.01
(製法)
(1)〜(7)を70℃にて均一に混合溶解した(油相)。一方、(8)〜(17)を70℃にて均一に混合溶解した(水相)。70℃に保持した水相に油相を徐添しながら、ホモミキサーで乳化した。乳化が終了したら、40℃以下に急冷し、目的のスキンクリームを得た。
(製品の性状)
得られたスキンクリームについて、実施例1〜8と同様の評価を行ったところ、使用性に優れ(使用性評価:べたつき、のびおよびさっぱりさ、浸透感とも◎)、皮膚に塗布した場合、うるおいを与え、のびが軽く、さっぱりしていながらもしっとりした感触を有しており、しかも、べたつかず、安定性も良好(安定性評価:○)なものであった。
【0077】
【発明の効果】
本発明によれば、水中油型の乳化剤として、HLB7〜9の非イオン性界面活性剤を用い、感触向上剤として、IOB値0.2〜0.6のエステル油を用い、安定化剤として高級アルコールを所定量用いることにより、安定性および使用性に優れた水中油型の乳化組成物が提供できる。
【0078】
すなわち、安定性については、50℃保存下による経時安定性や遠心分離によっても、油浮きなどの分離がなく、経時安定性に極めて優れている。また、使用性については、特に、べたつかず、のびが軽く、さっぱりしているが、塗布した皮膚や毛髪はしっとりするという使用感に極めて優れた特性を有するものである。
【0079】
さらに、アクリルアミド系増粘剤を用いることによって、水相成分の含有量が50〜90質量%の水中油型乳化組成物をより化粧料として質感の高いものとすることができ、本発明の効果はさらに優れたものになる。
【0080】
本発明の水中油型乳化組成物には、希望する配合量の任意の塩型薬剤を配合でき、さらには乳化組成物の粘度低下を起こすこともない。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an oil-in-water emulsion composition excellent in usability and stability and a cosmetic using the same. More specifically, it is water that is light and non-sticky on the skin and hair, has an excellent penetration feeling that the active ingredient penetrates the skin and hair, gives moisture, is moist, and has excellent stability over time. The present invention relates to an oil-type emulsion composition and a cosmetic using the same.
[0002]
[Prior art]
When preparing an oil-in-water emulsified composition, taking into account the stability over time, it is common to emulsify various oils using a surfactant of HLB 10 or higher, and it is carried out on a daily basis as it holds theoretically. Yes. However, when considered as a cosmetic, the emulsified cosmetic prepared by the method as described above is excellent in stability, but when applied to the skin and hair, it does not fit well into the skin and hair and is not sticky. Thus, the penetration feeling was inferior and the usability was not always satisfactory.
[0003]
In recent years, in order to reduce stickiness and obtain a refreshing feeling, polar oil is often used for an oil phase that is an oil-in-water type discontinuous phase. In order to obtain a stable oil-in-water emulsified cosmetic using polar oil, POE hydrogenated castor oil (POE60) (HLB = 14), POE behenyl ether (POE30) (HLB = 15), POE is used as an emulsifier. A surfactant having an HLB of 10 or more such as glyceryl monostearate (POE40) (HLB = 17) is used.
[0004]
However, when these surfactants with high HLB are used as emulsifiers, they are excellent in stability over time, but are not well-suited to stretch and skin and hair. It was inferior to the feeling of penetration.
[0005]
There is no prior art document information to be described regarding the present application.
[0006]
[Problems to be solved by the invention]
The present invention has been made in order to solve the above-mentioned problems of the prior art, and the object thereof is an oil-in-water emulsion composition having good emulsification stability and excellent usability, and a cosmetic using the same. Is to provide.
[0007]
[Means for Solving the Problems]
As a result of intensive investigations to achieve the above-mentioned problems, the present inventors dared to use an HLB 7-9 surfactant having a low HLB as an emulsifier to prepare an oil-in-water emulsion composition. In order to keep the inner oil phase, 0.5% by mass or more of higher alcohol is added to the total emulsified composition. It has been found that an oil-in-water emulsified composition that is well-familiar with hair, moist, and non-sticky can be obtained.
[0008]
That is, the present invention provides (A)One or more selected from tri-fatty acid POE glyceryls, cetostearyl glucoside, and cetearyl glucoside0.1 to 5.0% by mass of nonionic surfactant of HLB7-9, 0.1 to 30.0% by mass of ester oil having IOB of 0.2 to 0.6 in (B) organic conceptual diagram The present invention relates to an oil-in-water emulsion composition containing 0.01 to 3.0% by mass of (C) 0.5% by mass or higher alcohol and (D) an acrylamide-based thickener.
[0009]
In the above, as the component (A), one or more tri-fatty acid POE selected from POE glyceryl triisostearate (POE20), POE glyceryl trioleate (POE20), and POE glyceryl triisostearate (POE7) It preferably contains glyceryls.
[0011]
In the above, the component (D) is vinylpyrrolidone / 2-acrylamido-2-methylpropanesulfonic acid copolymer, dimethylacrylamide / 2-acrylamide-2-methylpropanesulfonic acid copolymer, acrylic acid amide / 2-acrylamide. 2-methylpropanesulfonic acid copolymer, polyacrylic acid amide and sodium polyacrylate mixture, sodium acrylate / 2-acrylamido-2-methylpropanesulfonic acid copolymer, ammonium polyacrylate, polyacrylamide / acrylic What is 1 type (s) or 2 or more types chosen from an acid ammonium copolymer and an acrylamide / sodium acrylate copolymer is preferable.
[0012]
The present invention further relates to the oil-in-water emulsion composition further comprising (E) a salt-type drug component.
[0013]
The present invention also relates to a cosmetic using the oil-in-water emulsion composition.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
The nonionic surfactant of HLB7-9 as the component (A) used in the present invention isOne or more selected from tri-fatty acid POE glyceryls, cetostearyl glucoside, and cetearyl glucoside.
[0021]
As tri-fatty acid POE glyceryl,POE glyceryl triisostearate (POE20), POE glyceryl trioleate (POE20), POE glyceryl triisostearate (POE7), etc.Can be mentioned.
[0025]
Of these, tri-fatty acid POE glyceryl is preferred from the viewpoint of usability (familiarity with skin, familiarity with hair), and particularly preferred is POE glyceryl triisostearate (POE20).
[0026]
When a surfactant less than HLB7 is used, an oil-in-water emulsion composition cannot be prepared. On the other hand, when a surfactant exceeding HLB9 is used, the stability of the system is excellent. In terms of sexuality, it is not possible to obtain the desired permeation, good familiarity with the skin and hair, and the permeation of the active ingredient.
[0027]
(A) component can use 1 type (s) or 2 or more types. (A) The compounding quantity of a component is 0.1-5.0 mass% in this invention cosmetics.And goodPreferably it is 0.2-3.0 mass%. If the amount is less than 0.1% by mass, the stability of the system is poor. On the other hand, if the amount exceeds 5.0% by mass, the effect is not enhanced, but rather stickiness is produced.
[0028]
The ester oil as the component (B) used in the present invention has an IOB in the organic conceptual diagram of 0.2 to 0.6.
The organic conceptual diagram was proposed by Satoshi Fujita, and the details are "Pharmaceutical Bulletin", vol.2, 2, pp.163-173 (1954), "Chemical domain" vol.11, 10, pp.719-725 (1957), “Fragrance Journal”, vol.50, pp.79-82 (1981). That is, the source of all organic compounds is methane (CH4) And all other compounds are considered to be derivatives of methane. Set certain numbers for the carbon number, substituents, transformations, rings, etc., and add the scores to determine the organic and inorganic values. This value is obtained and plotted on a diagram with the organic value on the X axis and the inorganic value on the Y axis. This organic conceptual diagram is also shown in “Organic Conceptual Diagram-Basics and Applications” (by Yoshio Koda, Sankyo Publishing, 1984).
The IOB in the organic conceptual diagram refers to the ratio of the inorganic value (IV) to the organic value (OV) in the organic conceptual diagram, that is, “inorganic value (IV) / organic value (OV)”.
The ester oil as the component (B) of the present invention needs to have an IOB of 0.2 to 0.6 in terms of being refreshing and not sticky. An ester oil having an IOB of less than 0.2 may cause irritation to sensitive skin, and may cause a feeling of stickiness without being refreshed. On the other hand, when IOB exceeds 0.6, it becomes easy to dissolve in water, and the function as an oil component is not exhibited.
[0029]
Specific examples of the component (B) include dineopentanoic acid tripropylene glycol (IOB = 0.52), isodecylbenzoate (IOB = 0.23), dicaprylic acid propylene glycol (IOB = 0.32), isononanoyl isononanoate. (IOB = 0.2), cetyl 2-ethylhexanoate (IOB = 0.52), glyceryl tri-2-ethylhexanoate (IOB = 0.36), pentaerythritol tetra-2-ethylhexanoate (IOB = 0) .35), di-2-ethylhexyl succinate (IOB = 0.32) and the like, but are not limited to these examples. (B) component can use 1 type (s) or 2 or more types.
[0030]
(B) The compounding quantity of a component is 0.1-30.0 mass% in this invention cosmetics from the point of usability.And goodPreferably, it is 0.5 mass-20.0 mass%. If the amount is less than 0.1% by mass, a non-sticky feel cannot be felt as a refreshing effect of the present invention.
[0031]
The higher alcohol as the component (C) used in the present invention is represented by the general formula R1OH (R1Represents an alkyl group having 6 to 30 carbon atoms, preferably 12 to 22 carbon atoms), a general formula CH2OH-CHOH-CH2OR2(R2Represents an alkyl group or alkylene group having 6 to 30 carbon atoms, preferably 12 to 22 carbon atoms). In the above formula, when R is a group having less than 6 carbon atoms, the effect of the present invention cannot be obtained. On the other hand, when R is a group having more than 30 carbon atoms, the stability of the system cannot be maintained.
[0032]
Specific examples of the component (C) include, for example, hexyl alcohol, octyl alcohol, cetyl alcohol, stearyl alcohol, seryl alcohol, behenyl alcohol, triacontyl alcohol, seraalkyl alcohol, batyl alcohol, etc. It is not what is done.
[0033]
(C) As for the compounding quantity of a component, 0.5-10.0 mass% is preferable in this invention cosmetics, More preferably, it is 0.5-8.0 mass%. If it is less than 0.5% by mass, the effect of the present invention, that is, the internal oil phase is inferior in solidifying action, causing a problem in stability, and also in terms of usability, it is refreshing while being moist that is the effect of the present invention. Can't get a sticky feel. On the other hand, even if it exceeds 10.0% by mass, the effect of the present invention is not enhanced, and on the contrary, it is moist, but the touch is not refreshed, and there is a problem in terms of stability.
[0034]
In the present invention, a lotion-like or cream-like product that is more desirable as a cosmetic is obtained.In order toIn addition to the components (A) to (C), (D) an acrylamide thickenerThe
[0035]
As the component (D), vinylpyrrolidone / 2-acrylamido-2-methylpropanesulfonic acid copolymer, dimethylacrylamide / 2-acrylamido-2-methylpropanesulfonic acid copolymer, acrylic acid amide / 2-acrylamide- 2-methylpropanesulfonic acid copolymer, a mixture of polyacrylic acid amide and sodium polyacrylate, sodium acrylate / 2-acrylamido-2-methylpropanesulfonic acid copolymer, polyacrylamide / ammonium acrylate copolymer, Examples include acrylamide / sodium acrylate copolymer, but are not limited to these examples. (D) A component can use 1 type (s) or 2 or more types.
[0036]
(D) The compounding quantity of a component is 0.01-3.0 mass% in this invention cosmetics.And goodPreferably it is 0.05-2.5 mass%.
[0037]
As the thickener, other thickeners other than the component (D), for example, carboxyvinyl polymer, ammonium polyacrylate, sodium polyacrylate, sodium acrylate / acrylic acid, as long as the effects of the present invention are not impaired. An alkyl / sodium methacrylate / alkyl methacrylate copolymer, a (hydroxyethyl acrylate / acryloyldimethyltaurine sodium) copolymer, and the like can also be blended.
[0038]
In the present invention, (E) a salt-type drug may be further blended. (E) component means the water-soluble chemical | medical agent which can form a salt, In this invention, if it is a water-soluble chemical | medical agent, there will be no restriction | limiting in particular and the desired chemical | medical agent can be mix | blended. Examples of preferred salts include salts of L-ascorbic acid and its derivatives, salts of tranexamic acid and its derivatives, salts of alkoxysalicylic acid and its derivatives, salts of glutathione and its derivatives, etc. Not.
[0039]
L-ascorbic acid is generally referred to as vitamin C, and has a cell respiration effect, an enzyme activation effect, a collagen formation action by a strong reduction action, and a melanin reduction action. Examples of L-ascorbic acid derivatives include L-ascorbic acid monostearate, L-ascorbic acid monopalmitate, L-ascorbic acid monoalkyl esters such as L-ascorbic acid monooleate; L-ascorbic acid monophosphate, L- L-ascorbic acid monoesters such as ascorbic acid-2-sulfate; L-ascorbic acid dialkyl esters such as L-ascorbic acid distearate, L-ascorbic acid dipalmitate, L-ascorbic acid dioleate; L-ascorbic acid tristearate L-ascorbic acid trialkyl esters such as Late, L-ascorbic acid tripalmitate, L-ascorbic acid trioleate; L-ascorbic acid triesters such as L-ascorbic acid triphosphate; - such as L- ascorbic acid glucosides such as ascorbic acid 2-glucoside and the like. In this invention, it uses suitably in the form of each salt of L-ascorbic acid, L-ascorbic acid phosphate ester, L-ascorbic acid-2-sulfate ester, and L-ascorbic acid 2-glucoside.
[0040]
Examples of the tranexamic acid derivative include a dimer of tranexamic acid (for example, trans-4- (trans-aminomethylcyclohexanecarbonyl) aminomethylcyclohexanecarboxylic acid, etc.), an ester of tranexamic acid and hydroxyquinone (for example, 4- (trans-aminomethylcyclohexanecarboxylic acid 4′-hydroxyphenyl ester, etc.), ester form of tranexamic acid and gentisic acid (for example, 2- (trans-4-aminomethylcyclohexylcarbonyloxy) -5-hydroxybenzoic acid ), Amides of tranexamic acid (for example, trans-4-aminomethylcyclohexanecarboxylic acid methylamide, trans-4- (p-methoxybenzoyl) aminomethylcyclohexanecarboxylic acid, trans-4-guanidi Methylcyclohexane carboxylic acid, etc.) is preferably used in the form of a salt of a salt or tranexamic acid derivative of tranexamic acid in the like. The present invention.
[0041]
Alkoxysalicylic acid is one in which the hydrogen atom at the 3-position, 4-position or 5-position of salicylic acid is substituted with an alkoxy group, and the alkoxy group as the substituent is preferably a methoxy group, an ethoxy group or a propoxy group. , An isopropoxy group, a butoxy group or an isobutoxy group, more preferably a methoxy group or an ethoxy group. Specific examples of compound names include 3-methoxysalicylic acid, 3-ethoxysalicylic acid, 4-methoxysalicylic acid, 4-ethoxysalicylic acid, 4-propoxysalicylic acid, 4-isopropoxysalicylic acid, 4-butoxysalicylic acid, 5-methoxysalicylic acid , 5-ethoxysalicylic acid, 5-propoxysalicylic acid and the like. In this invention, it uses suitably in the form of each salt of alkoxy salicylic acid and its derivatives (ester etc.).
[0042]
Although it does not specifically limit as a salt of the said chemical | medical agent, For example, salts, such as ammonium salt and an amino acid salt other than alkali metal salt or alkaline-earth metal salt like sodium salt, potassium salt, calcium salt, are mentioned.
[0043]
(E) 1 type (s) or 2 or more types can be used for a component and the compounding quantity is arbitrary. In the product design, the desired amount of the salt-type drug is appropriately determined while adjusting the amount of the aqueous phase component. For example, about 0.1 to 30.0 mass% is mix | blended with respect to the water phase component whole quantity.
[0044]
In the oil-in-water emulsion composition of the present invention, the water phase component is blended together with the oil phase component. The water phase component includes water or an aqueous phase mainly composed of water and various water-soluble components therein. When the water phase component is blended in an amount of 50.0 to 90.0% by mass with respect to the total amount of the oil-in-water emulsion composition, the effects of the present invention are more effectively exhibited, and an oil-in-water emulsion composition is obtained. be able to. If the aqueous phase component is less than 50.0% by mass, the weight may be felt and stickiness may occur. On the other hand, if it exceeds 90.0% by mass, it is refreshing, but it is not moist, and it is difficult to obtain a refreshing feeling of use while being moist, which is the effect of the present invention.
[0045]
In the oil-in-water emulsion composition of the present invention, since the emulsion composition is stabilized by the solidifying action of the component (C) in the inner oil phase, the component (E) having a desired blending amount can be stably blended. Has the advantage. Furthermore, a stable oil-in-water emulsion composition can be obtained without causing viscosity reduction due to the component (E).
[0046]
In the oil-in-water emulsion composition of the present invention, in addition to the above-mentioned components, components that can be usually blended in the emulsion composition can be blended as appropriate within a range that does not impair the effects of the present invention. Examples of such components include, but are not limited to, ultraviolet absorbers, ultraviolet scattering agents, waxes, silicone oils, polyhydric alcohols, and water-soluble polymers.
[0047]
Examples of ultraviolet absorbers include paraaminobenzoic acid, octyl-p-methoxycinnamate (2-ethylhexyl-p-methoxycinnamate), glyceryl mono-2-ethylhexanoyl-diparamethoxycinnamate, trimethoxycinnamate Cinnamic acid UV absorbers such as methylbis (trimethylsiloxane) silylisopentyl acid, 2,2'-hydroxy-5-methylphenylbenzotriazole, 2- (2'-hydroxy-5'-t-octylphenyl) benzo Triazole, 2- (2′-hydroxy-5′-methylphenylbenzotriazole, 4-methoxy-4′-tert-butyldibenzoylmethane, 5- (3,3-dimethyl-2-norbornylidene) -3-pentane- 2-one, bis-ethylhexyloxyphenol-methoxy Eniru - triazine, 2,4,6-tris [4- (2-ethylhexyloxycarbonyl) anilino] 1,3,5-triazine, dimorpholino pyridazinone like.
[0048]
Examples of the ultraviolet scattering agent include powders such as fine particle titanium oxide, fine particle zinc oxide, fine particle iron oxide, and fine particle cerium oxide having an average particle diameter of 10 to 100 nm.
[0049]
In addition, silicone treatment such as methyl hydrogen polysiloxane and silane coupling agent; metal soap treatment; ultraviolet treatment hydrophobized by fluorine treatment such as perfluoroalkyl phosphate diethanolamine salt and perfluoroalkyl silane, dextrin fatty acid ester treatment, etc. A scattering agent can also be mix | blended suitably with an agent system.
[0050]
Examples of the waxes include beeswax, candelilla wax, carnauba wax, lanolin, liquid lanolin, jojoballow and the like.
[0051]
Examples of the hydrocarbon oil include liquid paraffin, ozokerite, squalane, pristane, paraffin, ceresin, squalene, petrolatum, microcrystalline wax, polyethylene wax, and Fischer-Tropsch wax.
[0052]
Examples of the silicone oil include linear polysiloxanes (for example, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, etc.); cyclic polysiloxanes (for example, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, etc.), 3 Silicone resin forming a three-dimensional network structure, silicone rubber having an average molecular weight of 200,000 or more, various modified polysiloxanes (amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.) It is done.
[0053]
Examples of the polyhydric alcohol include polyethylene glycol, glycerin, diglycerin, 1,3-butylene glycol, erythritol, sorbitol, xylitol, maltitol, 1,2-pentanediol, hexylene glycol and the like.
[0054]
Examples of the water-soluble polymer include carrageenan, pectin, mannan, curdlan, chondroitin sulfate, starch, glycogen, gum arabic, sodium hyaluronate, tragacanth gum, xanthan gum, mucoitin sulfate, hydroxyethyl guar gum, carboxymethyl guar gum, guar gum, dextran. , Keratosulfuric acid, locust bean gum, succinoglucan, chitin, chitosan, carboxymethylchitin, agar and the like.
[0055]
In addition, lower alcohols such as ethanol; antioxidants such as butylhydroxytoluene, δ-tocopherol and phytin; preservatives such as benzoic acid, salicylic acid, sorbic acid, paraoxybenzoic acid alkyl ester, phenoxyethanol, hexachlorophene, and ε-polylysine; Organic or inorganic acids such as citric acid, lactic acid, hexametaphosphoric acid and their salts; vitamin A derivatives such as vitamin A, vitamin A palmitate, vitamin A acetate, vitamin B6Hydrochloride, vitamin B6Tripalmitate, Vitamin B6Dioctanoate, vitamin B2And its derivatives, vitamin B12, Vitamin B15And vitamin B such as derivatives thereof, vitamin E such as α-tocopherol, β-tocopherol and vitamin E acetate, vitamin D such as vitamin D, vitamin H, pantothenic acid and pantethine; γ-oryzanol, allantoin, glycyrrhizic acid (Salt), saponins such as glycyrrhetinic acid, stearyl glycyrrhetinate, hinokitiol, bisabolol, eucalptone, thymol, inositol, saikosaponin, carrot saponin, hechisaponon, muclodisaponin, pantothenyl ethyl ether, arbutin, cephalanthin, etc. Drug, swordfish, clara, corn, orange, sage, yarrow, mallow, assembly, thyme, spruce, spruce, birch, horsetail, loofah, maronier, yukinoshita, ougon, al Ca, lily, mugwort, peony, aloe, gardenia, extracts of plants such as cherry leaves, also dyes of β- carotene can be blended.
[0056]
Specific cosmetics using the oil-in-water emulsion composition of the present invention include emulsions or cream-like products such as emulsions, skin creams, hair creams, liquid foundations, eye liners, mascaras, eye shadows and the like. These products can be produced by a conventional method by blending the above-mentioned essential components and components usually blended in these cosmetics.
[0057]
【Example】
The present invention will be described in more detail with reference to the following examples, but the present invention is not limited thereto. Unless otherwise specified, the amount is shown in mass%.
[0058]
[Examples 1 to8And Comparative Examples 1 to 4Reference examples 1-2]
The skin cream which is an oil-in-water type emulsion composition was manufactured by the following method by the prescription shown to the following Tables 1-3.
(Manufacturing method)
(1) to (9) were uniformly mixed and dissolved at 70 ° C. (oil phase). On the other hand, (10) to (14) were uniformly mixed and dissolved at 70 ° C. (aqueous phase). Subsequently, it emulsified with the homomixer, adding 70 degreeC oil phase gradually to the water phase hold | maintained at 70 degreeC. When the emulsification was completed, the emulsion was rapidly cooled to 40 ° C. or lower to obtain a target oil-in-water emulsified skin cream.
[0059]
In Tables 1 to 3, POE glyceryl triisostearate (POE = 20) (HLB = 7)(* 1)“Emalex GWIS-320” (manufactured by Nippon Emulsion Co., Ltd.), cetostearyl glucoside (HLB = 7)(* 2)"EMULGADE PL68 / 50" (COGNIS), POE hydrogenated castor oil (POE = 60) (HLB = 14)(* 3)"Emalex HC-60" (manufactured by Nippon Emulsion Co., Ltd.), 2-acrylamido-2-methylpropanesulfonic acid copolymer(* 4)Used “SIMULGEL EG” (manufactured by SEPIC).
[0060]
The obtained cream (sample) was evaluated for stability and usability (longness, stickiness, freshness, penetration) by the following test methods.
[0061]
[Stability test]
The appearance of the sample after standing for 1 month at 50 ° C. was visually observed and judged according to the following evaluation criteria.
(Evaluation criteria)
○: No separation was observed
Δ: almost no separation
X: Separation of liquid phase (oil phase or water phase) occurred
[0062]
[Usability]
An actual use test was conducted by a panel dedicated to women (10 persons), and the skin extension was evaluated according to the following evaluation criteria.
(Evaluation criteria)
◎: All 10 people are judged to have light usability and smooth usability.
○: 7 to 9 people are judged to have light usability and smooth usability
Δ: 3 to 6 persons are judged to have light usability and smooth usability
X: 0 to 2 persons are judged to have light usability and smooth usability
[0063]
[Usability (stickiness)]
An actual use test was conducted by a panel dedicated to women (10 persons), and the stickiness was evaluated according to the following evaluation criteria.
(Evaluation criteria)
◎: All 10 people are judged to have no stickiness and moist use
○: 7 to 9 persons have no stickiness and are determined to have moist usability
Δ: 3 to 6 people have no stickiness and have a moist usability
×: 0 to 2 persons are judged to have no stickiness and have a moist usability
[0064]
[Usability (freshness)]
An actual use test was conducted by a panel dedicated to women (10 persons), and the freshness was evaluated according to the following evaluation criteria.
(Evaluation criteria)
◎: All 10 people are judged to have a refreshing usability
○: 7 to 9 people are judged to have a refreshing usability
Δ: 3 to 6 people judged to have a refreshing usability
X: 0 to 2 persons are judged to have a refreshing usability
[0065]
[Usability (penetration)]
An actual use test was conducted by a panel dedicated to women (10 persons), and the penetrance was evaluated according to the following evaluation criteria.
(Evaluation criteria)
◎: All 10 people are judged to have usability with penetration
○: 7 to 9 people determined to have usability with penetration
Δ: 3 to 6 people determined to have usability with penetration
X: 0 to 2 persons are judged to have usability with penetration
[0066]
[Table 1]
[0067]
[Table 2]
[0068]
[Table 3]
[0069]
From the results of Tables 1 to 3, Examples 1 to 3 according to the present invention are used.8It can be seen that the oil-in-water type skin cream has excellent stability and usability.
[0070]
Other embodiments of the present invention are described below.Examples 9, 11, and 12 (Example 10 is missing)Indicates.
[0071]
Example9 Skin cream
(Mixed component) Mass%
(1) Liquid paraffin 2.0
(2) Decamethylcyclopentasiloxane 6.0
(3) Isodecylbenzoate (IOB = 0.23) 6.0
(4) Cetearyl glucoside (HLB = 7) 3.0
(Product name: “MONTANOV 68”; manufactured by SEPIC)
(5) Cetyl alcohol 2.5
(6) Batyl alcohol 2.5
(7) Fragrance 0.1
(8) Residual ion exchange water
(9) 1,3-butylene glycol 3.0
(10) Ascorbic acid glucoside 2.0
(11) Paraben 0.15
(12) Ethanol 3.0
(13) Sodium hydroxide 0.4
(14) Vinylpyrrolidone / 2-acrylamide-
2-methylpropanesulfonic acid copolymer 0.5
(Product name: “ARISTFLEX AVC”; manufactured by CLARIANT)
(15) Citric acid 0.09
(16) Sodium citrate 0.01
(Manufacturing method)
(1) to (7) were uniformly mixed and dissolved at 70 ° C. (oil phase). On the other hand, (8) to (16) were uniformly mixed and dissolved at 70 ° C. (aqueous phase). The mixture was emulsified with a homomixer while gradually adding the oil phase to the aqueous phase maintained at 70 ° C. When the emulsification was completed, the target skin cream was obtained by rapidly cooling to 40 ° C. or lower.
(Product properties)
About the obtained skin cream, Examples 1 to8When the same evaluation was performed, it was excellent in usability (usefulness evaluation: stickiness, stretch and refreshment, penetration feeling ◎), and when applied to the skin, it gives moisture, lightly spreads and refreshes It had a moist feel, was not sticky, and had good stability (stability evaluation: ◯).
[0075]
Example11 Skin cream
(Mixed component) Mass%
(1) Liquid paraffin 2.0
(2) Decamethylcyclopentasiloxane 6.0
(3) Isodecylbenzoate (IOB = 0.23) 6.0
(4) Cetearyl glucoside (HLB = 7) 3.0
(Product name: “MONTANOV 68”; manufactured by SEPIC)
(5) Cetyl alcohol 2.5
(6) Batyl alcohol 2.5
(7) Fragrance 0.1
(8) Residual ion exchange water
(9) 1,3-butylene glycol 3.0
(10) Arbutin 5.0
(11) Ascorbic acid phosphate magnesium 1.0
(12) Paraben 0.15
(13) Ethanol 3.0
(14) Sodium hydroxide 0.4
(15) Sodium acrylate / 2-acrylamide-
2-methylpropanesulfonic acid copolymer 0.5
(Product name “SIMULGEL EG”; manufactured by SEPIC)
(16) Citric acid 0.09
(17) Sodium citrate 0.01
(Manufacturing method)
(1) to (7) were uniformly mixed and dissolved at 70 ° C. (oil phase). On the other hand, (8) to (17) were uniformly mixed and dissolved at 70 ° C. (aqueous phase). The mixture was emulsified with a homomixer while gradually adding the oil phase to the aqueous phase maintained at 70 ° C. When the emulsification was completed, the target skin cream was obtained by rapidly cooling to 40 ° C. or lower.
(Product properties)
About the obtained skin cream, Examples 1 to8When the same evaluation was performed, it was excellent in usability (usefulness evaluation: stickiness, stretch and refreshment, penetration feeling ◎), and when applied to the skin, it gives moisture, lightly spreads and refreshes It had a moist feel, was not sticky, and had good stability (stability evaluation: ◯).
[0076]
Example12 Skin cream
(Mixed component) Mass%
(1) Liquid paraffin 2.0
(2) Decamethylcyclopentasiloxane 6.0
(3) Isodecylbenzoate (IOB = 0.23) 6.0
(4) Cetearyl glucoside (HLB = 7) 3.0
(Product name: “MONTANOV 68”; manufactured by SEPIC)
(5) Cetyl alcohol 2.5
(6) Batyl alcohol 2.5
(7) Fragrance 0.1
(8) Residual ion exchange water
(9) 1,3-butylene glycol 3.0
(10) Trimethylglycine 1.0
(11) Potassium 4-methoxysalicylate 2.0
(12) Phenoxyethanol 0.15
(13) Ethanol 3.0
(14) Sodium hydroxide 0.4
(15) Sodium acrylate / 2-acrylamide-
2-methylpropanesulfonic acid copolymer 0.5
(Product name “SIMULGEL EG”; manufactured by SEPIC)
(16) Citric acid 0.09
(17) Sodium citrate 0.01
(Manufacturing method)
(1) to (7) were uniformly mixed and dissolved at 70 ° C. (oil phase). On the other hand, (8) to (17) were uniformly mixed and dissolved at 70 ° C. (aqueous phase). The mixture was emulsified with a homomixer while gradually adding the oil phase to the aqueous phase maintained at 70 ° C. When the emulsification was completed, the target skin cream was obtained by rapidly cooling to 40 ° C. or lower.
(Product properties)
About the obtained skin cream, Examples 1 to8When the same evaluation was performed, it was excellent in usability (usefulness evaluation: stickiness, stretch and refreshment, penetration feeling ◎), and when applied to the skin, it gives moisture, lightly spreads and refreshes It had a moist feel, was not sticky, and had good stability (stability evaluation: ◯).
[0077]
【The invention's effect】
According to the present invention, as an oil-in-water emulsifier, a nonionic surfactant having an HLB of 7 to 9 is used, as a feel improver, an ester oil having an IOB value of 0.2 to 0.6 is used as a stabilizer. By using a predetermined amount of higher alcohol, an oil-in-water emulsion composition excellent in stability and usability can be provided.
[0078]
That is, with respect to stability, there is no separation such as oil floating even with time-dependent stability under storage at 50 ° C. or centrifugation, and the stability with time is extremely excellent. In terms of usability, in particular, it is non-sticky, lightly stretched and refreshing, but it has extremely excellent characteristics in use feeling that the applied skin and hair are moist.
[0079]
Furthermore, by using an acrylamide-based thickener, an oil-in-water emulsion composition having an aqueous phase component content of 50 to 90% by mass can be made more textured as a cosmetic, and the effect of the present invention. Will be even better.
[0080]
The oil-in-water emulsified composition of the present invention can be blended with any desired salt-type drug in a desired blending amount, and does not cause a decrease in the viscosity of the emulsified composition.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003099169A JP4584543B2 (en) | 2003-04-02 | 2003-04-02 | Oil-in-water emulsion composition |
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| JP2003099169A JP4584543B2 (en) | 2003-04-02 | 2003-04-02 | Oil-in-water emulsion composition |
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| JP4584543B2 true JP4584543B2 (en) | 2010-11-24 |
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Cited By (1)
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|---|---|---|---|---|
| KR101655956B1 (en) | 2014-10-30 | 2016-09-08 | 서울과학기술대학교 산학협력단 | W/o microemulsion composition for removing oily cosmetics |
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| JP4970734B2 (en) * | 2005-03-03 | 2012-07-11 | 株式会社コーセー | Clear aqueous composition |
| JP4582781B2 (en) * | 2005-03-17 | 2010-11-17 | 株式会社資生堂 | Skin cosmetics |
| JP4963873B2 (en) * | 2006-05-23 | 2012-06-27 | 株式会社 資生堂 | Oil-in-water emulsion composition |
| JP5117208B2 (en) * | 2008-01-30 | 2013-01-16 | 株式会社 資生堂 | Highly polar oil-containing oil-in-water ultrafine emulsion external preparation and method for producing the oil-in-water ultrafine emulsion external preparation |
| JP5243078B2 (en) * | 2008-03-31 | 2013-07-24 | 株式会社 資生堂 | Highly polar oil-containing oil-in-water ultrafine emulsion external preparation and method for producing the oil-in-water ultrafine emulsion external preparation |
| JP2010070492A (en) * | 2008-09-18 | 2010-04-02 | Nippon Fine Chem Co Ltd | Cosmetic product |
| JP5794764B2 (en) * | 2010-05-18 | 2015-10-14 | 花王株式会社 | Method for producing oil / vesicle / water emulsion composition |
| JP5997517B2 (en) * | 2012-07-03 | 2016-09-28 | 花王株式会社 | Aqueous cosmetics |
| JP6093202B2 (en) * | 2013-02-21 | 2017-03-08 | 中野製薬株式会社 | Styling cosmetic and hair spray composition |
| JP6002816B2 (en) * | 2015-06-10 | 2016-10-05 | 花王株式会社 | Oil / vesicle / water emulsion composition and cosmetics containing the same |
| FR3044548B1 (en) | 2015-12-08 | 2019-10-25 | L'oreal | COMPOSITION COMPRISING A SULFONIC MONOMER POLYMER AND A PYRIDINE-DICARBOXYLIC ACID DERIVATIVE, AND COSMETIC TREATMENT METHOD |
| KR20190131588A (en) | 2017-09-29 | 2019-11-26 | 가부시키가이샤 만다무 | Oil type skin cosmetic |
| JP7512124B2 (en) * | 2020-08-12 | 2024-07-08 | 株式会社ヤクルト本社 | High internal phase W/O type emulsion composition with improved usability and cosmetics using the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101655956B1 (en) | 2014-10-30 | 2016-09-08 | 서울과학기술대학교 산학협력단 | W/o microemulsion composition for removing oily cosmetics |
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| JP2004307353A (en) | 2004-11-04 |
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