JP4010647B2 - Sunscreen cosmetics - Google Patents
Sunscreen cosmetics Download PDFInfo
- Publication number
- JP4010647B2 JP4010647B2 JP15233598A JP15233598A JP4010647B2 JP 4010647 B2 JP4010647 B2 JP 4010647B2 JP 15233598 A JP15233598 A JP 15233598A JP 15233598 A JP15233598 A JP 15233598A JP 4010647 B2 JP4010647 B2 JP 4010647B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- clay mineral
- quaternary ammonium
- ammonium salt
- cationic surfactant
- 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
- 230000000475 sunscreen effect Effects 0.000 title claims description 52
- 239000000516 sunscreening agent Substances 0.000 title claims description 52
- 239000002537 cosmetic Substances 0.000 title claims description 42
- 239000002734 clay mineral Substances 0.000 claims description 64
- 239000003921 oil Substances 0.000 claims description 52
- 239000003093 cationic surfactant Substances 0.000 claims description 34
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 33
- 239000000843 powder Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 28
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 25
- 239000000194 fatty acid Substances 0.000 claims description 25
- 229930195729 fatty acid Natural products 0.000 claims description 25
- 150000004665 fatty acids Chemical class 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 21
- 239000002736 nonionic surfactant Substances 0.000 claims description 18
- 230000006750 UV protection Effects 0.000 claims description 17
- 239000003995 emulsifying agent Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000011814 protection agent Substances 0.000 claims description 5
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims 1
- 230000008961 swelling Effects 0.000 claims 1
- 235000019198 oils Nutrition 0.000 description 48
- 239000012071 phase Substances 0.000 description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 13
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 12
- 239000006071 cream Substances 0.000 description 12
- -1 montmorillonite Chemical compound 0.000 description 12
- 239000004166 Lanolin Substances 0.000 description 11
- 235000019388 lanolin Nutrition 0.000 description 11
- 229940039717 lanolin Drugs 0.000 description 11
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000001993 wax Substances 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 7
- WNWHHMBRJJOGFJ-UHFFFAOYSA-N 16-methylheptadecan-1-ol Chemical compound CC(C)CCCCCCCCCCCCCCCO WNWHHMBRJJOGFJ-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 6
- 239000003205 fragrance Substances 0.000 description 6
- 235000011187 glycerol Nutrition 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 6
- 239000011787 zinc oxide Substances 0.000 description 6
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 5
- YBGZDTIWKVFICR-JLHYYAGUSA-N Octyl 4-methoxycinnamic acid Chemical compound CCCCC(CC)COC(=O)\C=C\C1=CC=C(OC)C=C1 YBGZDTIWKVFICR-JLHYYAGUSA-N 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 5
- 229940057995 liquid paraffin Drugs 0.000 description 5
- 229960001679 octinoxate Drugs 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- DSSYKIVIOFKYAU-OIBJUYFYSA-N (S)-camphor Chemical compound C1C[C@]2(C)C(=O)C[C@H]1C2(C)C DSSYKIVIOFKYAU-OIBJUYFYSA-N 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
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 description 4
- 239000004664 distearyldimethylammonium chloride (DHTDMAC) Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000003925 fat Substances 0.000 description 4
- 235000019197 fats Nutrition 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 4
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000005642 Oleic acid Substances 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 235000015278 beef Nutrition 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000004359 castor oil Substances 0.000 description 3
- 235000019438 castor oil Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical group O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 3
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- 239000003223 protective agent Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 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
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 description 2
- 229940058015 1,3-butylene glycol Drugs 0.000 description 2
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 2
- CAYHVMBQBLYQMT-UHFFFAOYSA-N 2-decyltetradecan-1-ol Chemical compound CCCCCCCCCCCCC(CO)CCCCCCCCCC CAYHVMBQBLYQMT-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- ZCTQGTTXIYCGGC-UHFFFAOYSA-N Benzyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OCC1=CC=CC=C1 ZCTQGTTXIYCGGC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- BHEOSNUKNHRBNM-UHFFFAOYSA-N Tetramethylsqualene Natural products CC(=C)C(C)CCC(=C)C(C)CCC(C)=CCCC=C(C)CCC(C)C(=C)CCC(C)C(C)=C BHEOSNUKNHRBNM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- MBMBGCFOFBJSGT-KUBAVDMBSA-N all-cis-docosa-4,7,10,13,16,19-hexaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCC(O)=O MBMBGCFOFBJSGT-KUBAVDMBSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 235000019437 butane-1,3-diol Nutrition 0.000 description 2
- 239000010495 camellia oil Substances 0.000 description 2
- 229940082500 cetostearyl alcohol Drugs 0.000 description 2
- 235000019864 coconut oil Nutrition 0.000 description 2
- 239000003240 coconut oil Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
- NOPFSRXAKWQILS-UHFFFAOYSA-N docosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCO NOPFSRXAKWQILS-UHFFFAOYSA-N 0.000 description 2
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N dodecahydrosqualene Natural products CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- MMXKVMNBHPAILY-UHFFFAOYSA-N ethyl laurate Chemical compound CCCCCCCCCCCC(=O)OCC MMXKVMNBHPAILY-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 2
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 2
- 229960000969 phenyl salicylate Drugs 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 2
- XOJVVFBFDXDTEG-UHFFFAOYSA-N pristane Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 229940031439 squalene Drugs 0.000 description 2
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- OULAJFUGPPVRBK-UHFFFAOYSA-N tetratriacontyl alcohol Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO OULAJFUGPPVRBK-UHFFFAOYSA-N 0.000 description 2
- LOIYMIARKYCTBW-UHFFFAOYSA-N trans-urocanic acid Natural products OC(=O)C=CC1=CNC=N1 LOIYMIARKYCTBW-UHFFFAOYSA-N 0.000 description 2
- DUXYWXYOBMKGIN-UHFFFAOYSA-N trimyristin Chemical compound CCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCC DUXYWXYOBMKGIN-UHFFFAOYSA-N 0.000 description 2
- VLPFTAMPNXLGLX-UHFFFAOYSA-N trioctanoin Chemical compound CCCCCCCC(=O)OCC(OC(=O)CCCCCCC)COC(=O)CCCCCCC VLPFTAMPNXLGLX-UHFFFAOYSA-N 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ANPBXAWPIJRFLC-UHFFFAOYSA-N (2-hydroxy-4-methoxyphenyl)-(4-methylphenyl)methanone;(2-hydroxy-4-methoxyphenyl)-phenylmethanone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1.OC1=CC(OC)=CC=C1C(=O)C1=CC=C(C)C=C1 ANPBXAWPIJRFLC-UHFFFAOYSA-N 0.000 description 1
- BJDAUCLANVMIOB-UHFFFAOYSA-N (3-decanoyloxy-2,2-dimethylpropyl) decanoate Chemical compound CCCCCCCCCC(=O)OCC(C)(C)COC(=O)CCCCCCCCC BJDAUCLANVMIOB-UHFFFAOYSA-N 0.000 description 1
- RUHCWQAFCGVQJX-RVWHZBQESA-N (3s,8s,9s,10r,13r,14s,17r)-3-hydroxy-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-1-one Chemical compound C1C=C2C[C@H](O)CC(=O)[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 RUHCWQAFCGVQJX-RVWHZBQESA-N 0.000 description 1
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
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- CWLGEPSKQDNHIO-JOBJLJCHSA-N (e)-n-[(e)-benzylideneamino]-1-phenylmethanimine Chemical compound C=1C=CC=CC=1/C=N/N=C/C1=CC=CC=C1 CWLGEPSKQDNHIO-JOBJLJCHSA-N 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 1
- FRPZMMHWLSIFAZ-UHFFFAOYSA-N 10-undecenoic acid Chemical compound OC(=O)CCCCCCCCC=C FRPZMMHWLSIFAZ-UHFFFAOYSA-N 0.000 description 1
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- DHGBAFGZLVRESL-UHFFFAOYSA-N 14-methylpentadecyl 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCC(C)C DHGBAFGZLVRESL-UHFFFAOYSA-N 0.000 description 1
- LGEZTMRIZWCDLW-UHFFFAOYSA-N 14-methylpentadecyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCC(C)C LGEZTMRIZWCDLW-UHFFFAOYSA-N 0.000 description 1
- MEZZCSHVIGVWFI-UHFFFAOYSA-N 2,2'-Dihydroxy-4-methoxybenzophenone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1O MEZZCSHVIGVWFI-UHFFFAOYSA-N 0.000 description 1
- RKJGFHYCZPZJPE-UHFFFAOYSA-N 2,2-bis(16-methylheptadecanoyloxymethyl)butyl 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCC(=O)OCC(CC)(COC(=O)CCCCCCCCCCCCCCC(C)C)COC(=O)CCCCCCCCCCCCCCC(C)C RKJGFHYCZPZJPE-UHFFFAOYSA-N 0.000 description 1
- XFOQWQKDSMIPHT-UHFFFAOYSA-N 2,3-dichloro-6-(trifluoromethyl)pyridine Chemical compound FC(F)(F)C1=CC=C(Cl)C(Cl)=N1 XFOQWQKDSMIPHT-UHFFFAOYSA-N 0.000 description 1
- KMZHZAAOEWVPSE-UHFFFAOYSA-N 2,3-dihydroxypropyl acetate Chemical compound CC(=O)OCC(O)CO KMZHZAAOEWVPSE-UHFFFAOYSA-N 0.000 description 1
- ZXDDPOHVAMWLBH-UHFFFAOYSA-N 2,4-Dihydroxybenzophenone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=CC=C1 ZXDDPOHVAMWLBH-UHFFFAOYSA-N 0.000 description 1
- SFAAOBGYWOUHLU-UHFFFAOYSA-N 2-ethylhexyl hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(CC)CCCC SFAAOBGYWOUHLU-UHFFFAOYSA-N 0.000 description 1
- KKDLMTFRMQVLMO-UHFFFAOYSA-N 2-heptylundecyl hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(CCCCCCC)CCCCCCCCC KKDLMTFRMQVLMO-UHFFFAOYSA-N 0.000 description 1
- JVXJFNLEXLGQIO-UHFFFAOYSA-N 2-hexyldecyl hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(CCCCCC)CCCCCCCC JVXJFNLEXLGQIO-UHFFFAOYSA-N 0.000 description 1
- OGJDIJKJFYOENF-UHFFFAOYSA-N 2-hexyldecyl tetradecanoate Chemical compound CCCCCCCCCCCCCC(=O)OCC(CCCCCC)CCCCCCCC OGJDIJKJFYOENF-UHFFFAOYSA-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】
本発明は日焼け止め化粧料に関する。更に詳しくは、耐水性に優れ、水と接触した際に紫外線防御剤粉末の白さが目立たないことを特徴とする日焼け止め化粧料に関するものである。
【０００２】
【従来の技術】
油中水型乳化組成物（以下、Ｗ／Ｏ型乳化組成物とも言う）は、基剤として耐水性が良好であるため日焼け止め化粧料に用いられてきた。
【０００３】
一般に、Ｗ／Ｏ型乳化組成物は温度安定性、使用性に優れた系が得られにくいという欠点があり、この欠点を改良した技術として、水膨潤性粘土鉱物を第４級アンモニウム塩型カチオン界面活性剤と非イオン性界面活性剤とで処理して得られる有機変性粘土鉱物で乳化したＷ／Ｏ型乳化組成物が知られている（特開昭６１−１１４７２１号公報、特開昭６１−１２９０３３号公報、特開昭６１−２１２３２１号公報）。
【０００４】
また、この技術を用いたＷ／Ｏ型乳化組成物に紫外線防御剤として酸化チタンや酸化亜鉛を配合した日焼け止め化粧料、さらには、紫外線防御剤粉末の塗布色を目立たなくする技術として疎水化紡錘状酸化チタンを用いる技術（特開平７−２５８０５５号公報）が知られている。
【０００５】
【発明が解決しようとする課題】
しかしながら、従来の紫外線防御剤粉末を配合した日焼け止め化粧料は、汗や、海、プールでの活動に伴う水との接触によって、紫外線防御剤粉末が白く浮き上がるという問題があった。
【０００６】
本発明者らは、上記事情に鑑み、上記有機変性粘土鉱物を用いたＷ／Ｏ型日焼け止め化粧料において、水と接触した際の白さが目立たない日焼け止め化粧料を得るべく鋭意研究した結果、従来の非イオン性界面活性剤を使用せず、常温液体の脂肪酸または高級アルコールを配合すれば解決できることを見いだし、本発明を完成するに至った。
【０００７】
本発明は、耐水性に優れ、水と接触した際に紫外線防御剤粉末の白さが目立たないことを特徴とする日焼け止め化粧料を提供することを目的とする。
【０００８】
すなわち、本発明は、水膨潤性粘土鉱物と第四級アンモニウム塩型カチオン界面活性剤と常温液体の脂肪酸とを混合して得られる乳化剤と、油分と、水と、紫外線防御剤粉末とを含有することを特徴とし、前記第四級アンモニウム塩型カチオン界面活性剤の混合量が前記水膨潤性粘土鉱物１００ｇに対して、６０〜１４０ミリ当量であり、前記常温液体の脂肪酸の混合量が前記水膨潤性粘土鉱物１００ｇに対して、１〜５００ｇであることを特徴とする日焼け止め化粧料（水膨潤性粘土鉱物を第４級アンモニウム塩型カチオン界面活性剤と非イオン性界面活性剤とで処理して得られる有機変性粘土鉱物で乳化したＷ／Ｏ型乳化組成物は除く。非イオン性界面活性剤を配合した日焼け止め化粧料は除く）を提供するものである。
【００１１】
また、本発明は、水膨潤性粘土鉱物と、第四級アンモニウム塩型カチオン界面活性剤と、常温液体の脂肪酸と、油分と、水と、紫外線防御剤粉末とを含有することを特徴とし、前記第四級アンモニウム塩型カチオン界面活性剤の混合量が前記水膨潤性粘土鉱物１００ｇに対して、６０〜１４０ミリ当量であり、前記常温液体の脂肪酸の混合量が前記水膨潤性粘土鉱物１００ｇに対して、１〜５００ｇであることを特徴とする日焼け止め化粧料（水膨潤性粘土鉱物を第４級アンモニウム塩型カチオン界面活性剤と非イオン性界面活性剤とで処理して得られる有機変性粘土鉱物で乳化したＷ／Ｏ型乳化組成物は除く。非イオン性界面活性剤を配合した日焼け止め化粧料は除く）を提供するものである。
【００１２】
すなわち、本発明は、水膨潤性粘土鉱物と第四級アンモニウム塩型カチオン界面活性剤と常温液体の高級アルコールとを混合して得られる乳化剤と、油分と、水と、紫外線防御剤粉末とを含有することを特徴とし、前記第四級アンモニウム塩型カチオン界面活性剤の混合量が前記水膨潤性粘土鉱物１００ｇに対して、６０〜１４０ミリ当量であり、前記常温液体の高級アルコールの混合量が前記水膨潤性粘土鉱物１００ｇに対して、１〜５００ｇであることを特徴とする日焼け止め化粧料（水膨潤性粘土鉱物を第４級アンモニウム塩型カチオン界面活性剤と非イオン性界面活性剤とで処理して得られる有機変性粘土鉱物で乳化したＷ／Ｏ型乳化組成物は除く。非イオン性界面活性剤を配合した日焼け止め化粧料は除く）を提供するものである。
【００１５】
また、本発明は、水膨潤性粘土鉱物と、第四級アンモニウム塩型カチオン界面活性剤と、常温液体の高級アルコールと、油分と、水と、紫外線防御剤粉末とを含有することを特徴とし、前記第四級アンモニウム塩型カチオン界面活性剤の混合量が前記水膨潤性粘土鉱物１００ｇに対して、６０〜１４０ミリ当量であり、前記常温液体の高級アルコールの混合量が前記水膨潤性粘土鉱物１００ｇに対して、１〜５００ｇであることを特徴とする日焼け止め化粧料（水膨潤性粘土鉱物を第４級アンモニウム塩型カチオン界面活性剤と非イオン性界面活性剤とで処理して得られる有機変性粘土鉱物で乳化したＷ／Ｏ型乳化組成物は除く。非イオン性界面活性剤を配合した日焼け止め化粧料は除く）を提供するものである。
【００１６】
【発明の実施の形態】
以下、本発明の構成要件を更に詳細に説明する。
【００１７】
本発明に用いる水膨潤性粘土鉱物は、三層構造を有するコロイド性含水ケイ酸アルミニウムの一種で、下記一般式
【化１】
（Ｘ，Ｙ）2-3（Ｓｉ，Ａｌ）4Ｏ10（ＯＨ）2Ｚ1/3・ｎＨ2Ｏ
但し、Ｘ＝Ａｌ，Ｆｅ(III)，Ｍｎ(III)，Ｃｒ(III)
Ｙ＝Ｍｇ，Ｆｅ(II)，Ｎｉ，Ｚｎ，Ｌｉ，Ｍｎ(II)
Ｚ＝Ｋ，Ｎａ，1/2Ｃａ，1/2Ｍｇ
で表され、具体的には、例えば、モンモリロナイト、サポナイトおよびヘクトライト等の天然または合成（この場合、式中の(OH)基がフッ素で置換されたもの）のモンモリロナイト群（市販品ではビーガム、クニピア、ラポナイト等がある）およびナトリウムシリリックマイカやナトリウムまたはリチウムテニオライトの名で知られる合成雲母（市販品ではダイモナイト；トピー工業（株）等がある）等が挙げられる。
【００１８】
本発明に用いる第四級アンモニウム塩型カチオン界面活性剤は下記一般式
【化２】
【００１９】
具体的には、例えば、ドデシルトリメチルアンモニウムクロライド、ミリスチルトリメチルアンモニウムクロライド、セチルトリメチルアンモニウムクロライド、ステアリルトリメチルアンモニウムクロライド、アラキルトリメチルアンモニウムクロライド、ベヘニルトリメチルアンモニウムクロライド、ミリスチルジメチルエチルアンモニウムクロライド、セチルジメチルエチルアンモニウムクロライド、ステアリルジメチルエチルアンモニウムクロライド、アラキルジメチルエチルアンモニウムクロライド、ベヘニルジメチルエチルアンモニウムクロライド、ミリスチルジエチルメチルアンモニウムクロライド、セチルジエチルメチルアンモニウムクロライド、ステアリルジエチルメチルアンモニウムクロライド、アラキリジエチルメチルアンモニウムクロライド、ベヘニルジエチルメチルアンモニウムクロライド、ベンジルジエチルメチルアンモニウムクロライド、ベンジルジメチルセチルアンモニウムクロライド、ベンジルジメチルステアリルアンモニウムクロライド、ベンジルジメチルベヘニルアンモニウムクロライド、ベンジルメチルエチルセチルアンモニウムクロライド、ベンジルメチルエチルステアリルアンモニウムクロライド、ジベヘニルジヒドロキシエチルアンモニウムクロライドおよび相当するプロミド等、さらにジパルミチルプロピルエチルアンモニウムメチルサルフェート等が挙げられる。本発明の実施にあたっては、これらのうち一種または二種以上が任意に選択される。
【００２０】
本発明に用いる常温液体の脂肪酸としては、例えば、オレイン酸、イソステアリン酸、リノール酸、リノレイン酸、エイコサペンタエン酸、ドコサヘキサエン酸等が挙げられる。本発明の実施にあたっては、これらのうち一種または二種以上が任意に選択される。
【００２１】
また、本発明に用いる常温液体の高級アルコールとしては、オレイルアルコール、イソステアリルアルコール、オクチルドデカノール、デシルテトラデカノール、ホホバアルコール等が挙げられる。本発明の実施にあたっては、これらのうち一種または二種以上が任意に選択される。
【００２２】
本発明に用いる乳化剤は、上記の必須成分を単に混合することよって製造することが出来る。具体的には、例えば、水、アセトン、低級アルコール、揮発性イソパラフィンあるいは揮発性シリコーン等の低沸点溶剤中で粘土鉱物と第四級アンモニウム塩型カチオン活性剤と常温液体の脂肪酸又は高級アルコールとを分散攪拌処理するか、または、予め、粘土鉱物と第四級アンモニウム塩型カチオン界面活性剤とを低沸点溶媒中で処理してカチオン変性粘土鉱物（以下、有機変性粘土鉱物とも言う）を得てから、常温液体の脂肪酸又は高級アルコールで混合処理し、次いで、低沸点溶剤を除去することにより得られる。なお、本発明においては、低沸点溶剤を除去せずに乳化剤として供することも可能である。
【００２３】
第四級アンモニウム塩型カチオン界面活性剤と常温液体の脂肪酸又は高級アルコールとが粘土鉱物の層間に入り込むことにより、粘土鉱物の層間は広がった状態になるので、Ｘ線折回で長面間隔を測定することにより第四級アンモニウム塩型カチオン界面活性剤と常温液体の脂肪酸又は高級アルコールの吸着の有無を確認できる。
【００２４】
本発明に用いる乳化剤中の第四級アンモニウム塩型カチオン界面活性剤の含有量は粘土鉱物１００ｇに対して、６０〜１４０ミリ当量であることが好ましい。また、乳化剤中の常温液体の脂肪酸又は高級アルコール含有量は、粘土鉱物１００ｇに対して、１〜５００ｇが好ましく、さらに好ましくは１〜３００ｇである。脂肪酸又は高級アルコール含有量が１ｇ未満では粘土鉱物の層間が充分に広がらず、乳化能が不十分となり、５００ｇを越えると、乳化組成物の経時での安定性が悪くなる場合がある。
【００２５】
本発明に用いる上記乳化剤は、広範囲の油分と水に添加してＷ／Ｏ型に乳化することができ、粘土鉱物を利用した従来の乳化剤に比較して、安定性、安全性、使用性に優れた乳化組成物を生成することが出来ると同時に、紫外線防御剤粉末の白さを目立たなくする日焼け止め化粧料を提供出来る。
【００２６】
本発明の日焼け止め化粧料に用いる油分は、化粧料、医薬品等で用いられる一般的な油分は全て用いることができ、その範囲も極性油から非極性油まで幅広く用いることができる。
【００２７】
本発明に用いる油分を、具体的に例示すれば、液体油脂としては、アボガド油、ツバキ油、タートル油、マカデミアナッツ油、トウモロコシ油、ミンク油、オリーブ油、ナタネ油、卵黄油、ゴマ油、パーシック油、小麦胚芽油、サザンカ油、ヒマシ油、アマニ油、サフラワー油、綿実油、エノ油、大豆油、落花生油、茶実油、カヤ油、コメヌカ油、シナギリ油、日本キリ油、ホホバ油、胚芽油、トリグリセリン、トリオクタン酸グリセリン、トリイソパルミチン酸グリセリン等が挙げられる。
固体油脂としては、カカオ脂、ヤシ油、馬脂、硬化ヤシ油、パーム油、牛脂、羊脂、硬化牛脂、パーム核油、豚脂、牛骨脂、モクロウ核油、硬化油、牛脚脂、モクロウ、硬化ヒマシ油等が挙げられる。
ロウ類としては、ミツロウ、カンデリラロウ、綿ロウ、カルナウバロウ、ベイベリーロウ、イボタロウ、鯨ロウ、モンタンロウ、ヌカロウ、ラノリン、カポックロウ、酢酸ラノリン、液状ラノリン、サトウキビロウ、ラノリン脂肪酸イソプロピル、ラウリン酸ヘキシル、還元ラノリン、ジョジョバロウ、硬質ラノリン、セラックロウ、 POEラノリンアルコールエーテル、 POEラノリンアルコールアセテート、 POEコレステロールエーテル、ラノリン脂肪酸ポリエチレングリコール、 POE水素添加ラノリンアルコールエーテル等が挙げられる。
炭化水素油としては、流動パラフィン、オゾケライト、スクワレン、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等が挙げられる。
高級脂肪酸としては、例えば、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、ベヘン（ベヘニン）酸、12-ヒドロキシステアリン酸、ウンデシレン酸、トール酸等が挙げられる。
高級アルコールとしては、例えば、セチルアルコール、ステアリルアルコール、ベヘニルアルコール、ミリスチルアルコール、セトステアリルアルコール等が挙げられる。
合成エステル油としては、ミリスチン酸イソプロピル、オクタン酸セチル、ミリスチン酸オクチルドデシル、パルミチン酸イソプロピル、ステアリン酸ブチル、ラウリン酸ヘキシル、ミリスチン酸ミリスチル、オレイン酸デシル、ジメチルオクタン酸ヘキシルデシル、乳酸セチル、乳酸ミリスチル、酢酸ラノリン、ステアリン酸イソセチル、イソステアリン酸イソセチル、 12-ヒドロキシステアリル酸コレステリル、ジ-2-エチルヘキシル酸エチレングリコール、ジペンタエリスリトール脂肪酸エステル、モノイソステアリン酸N-アルキルグリコール、ジカプリン酸ネオペンチルグリコール、リンゴ酸ジイソステアリル、ジ-2-ヘプチルウンデカン酸グリセリン、トリ-2-エチルヘキシル酸トリメチロールプロパン、トリイソステアリン酸トリメチロールプロパン、テトラ-2-エチルヘキシル酸ペンタンエリスリトール、トリ-2-エチルヘキシル酸グリセリン、トリイソステアリン酸トリメチロールプロパン、セチル2-エチルヘキサノエート、2-エチルヘキシルパルミテート、トリミリスチン酸グリセリン、トリ-2-ヘプチルウンデカン酸グリセライド、ヒマシ油脂肪酸メチルエステル、オレイン酸オイル、セトステアリルアルコール、アセトグリセライド、パルミチン酸2-ヘプチルウンデシル、アジピン酸ジイソブチル、N-ラウロイル-L-グルタミン酸-2-オクチルドデシルエステル、アジピン酸ジ-2-ヘプチルウンデシル、エチルラウレート、セバチン酸ジ−2-エチルヘキシル、ミリスチン酸2-ヘキシルデシル、パルミチン酸2-ヘキシルデシル、アジピン酸2-ヘキシルデシル、セバチン酸ジイソプロピル、コハク酸2-エチルヘキシル、酢酸エチル、酢酸ブチル、酢酸アミル、クエン酸トリエチル等が挙げられる。
シリコーン油としては、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、メチルハイドロジェンポリシロキサン等の鎖状ポリシロキサン、デカメチルポリシロキサン、ドデカメチルポリシロキサン、テトラメチルテトラハイドロジェンポリシロキサンなどの環状ポリシロキサン等が挙げられる。本発明においてはこれらのうち一種または二種以上が任意に選択される。
【００２８】
本発明の日焼け止め化粧料全量中の油分の配合量は任意であるが、通常、日焼け止め化粧料全量に対して２０〜８０重量％が好適である。また、水の配合量は任意であるが、通常、日焼け止め化粧料全量に対して２０〜８０重量％が好適である。さらに、油分と水とを乳化するために必要な上記乳化剤の配合量は、油分及び水の配合量に応じて安定な乳化組成物が得られるように適宜決定される。
【００２９】
本発明に用いる紫外線防御剤粉末は、例えば、酸化チタン、微粒子酸化チタン、酸化亜鉛、微粒子酸化亜鉛、酸化鉄、微粒子酸化鉄等が挙げられる。これらの紫外線防御剤粉末は必要に応じて表面に油脂を吸着させたり、水酸基等の官能基を利用し、エステル化やエーテル化を起こさせ、粉末を親油的にする油処理法、脂肪酸の亜鉛塩やマグネシウム塩を用いる金属石鹸処理法、ジメチルポリシロキサンまたはメチル水素ポリシロキサンを用いるシリコーン処理法、パーフルオロアルキル基を有するフッ素化合物で処理するフッ素処理法等の表面処理により、疎水性粉末として油分に分散配合することもできる。
【００３０】
本発明の日焼け止め化粧料中における紫外線防御粉末の配合量は、通常１〜５０重量％であり、１重量％未満では紫外線防御効果が乏しく、５０重量％を超えて配合すると、粉末の凝集等を生じ、使用性が劣る場合がある。
【００３１】
本発明の日焼け止め化粧料は、水膨潤性粘土鉱物を、第四級アンモニウム塩型カチオン界面活性剤及び常温液体の脂肪酸または高級アルコールで処理することによって得られる有機変性粘土鉱物を乳化剤として予め調整しておいて、油分を混合した油相と、親水性の紫外線防御剤粉末を分散した水相とを添加し、常法により乳化処理して得られる。親油性の紫外線防御剤粉末を使用する場合は油相に粉末を分散しておくことが好ましい。
【００３２】
また、乳化剤として予め調整することなく、水膨潤性粘土鉱物、第四級アンモニウム塩型カチオン界面活性剤、常温液体の脂肪酸または高級アルコール、紫外線防御剤粉末を、それぞれ処方中の水相または油相中に配合して、乳化することも出来る。具体的には、第四級アンモニウム塩型カチオン界面活性剤、常温液体の脂肪酸または高級アルコール、油分を配合した油相に、紫外線防御剤粉末を分散混合し、次に水膨潤性粘土鉱物を分散混合した水相を添加し混合攪拌することにより、目的の日焼け止め化粧料を製造出来る。
【００３３】
さらに、予め、水膨潤性粘土鉱物を第四級アンモニウム塩型カチオン界面活性剤で処理した有機変性粘土鉱物を調整しておいて、有機変性粘土鉱物、常温液体の脂肪酸または高級アルコール、紫外線防御剤粉末を、それぞれ処方中の水相または油相中に配合して、乳化することも出来る。具体的には、常温液体の脂肪酸または高級アルコール、油分を配合した油相に、すでに水膨潤性粘土鉱物を第四級アンモニウム塩型カチオン界面活性剤で処理済の有機変性粘土鉱物と紫外線防御剤粉末とを分散混合し、次に水相を添加し混合攪拌することにより、目的の日焼け止め化粧料が製造できる。
【００３４】
本発明の日焼け止め化粧料には必要に応じて紫外線吸収剤を適宜配合することができる。紫外線吸収剤としては、例えば、パラアミノ安息香酸（以下、PABA と略す）、PABAモノグリセリンエステル、N,N-ジプロポキシPABAエチルエステル、N,N-ジエトキシPABAエチルエステル、N,N-ジメチルPABAエチルエステル、N,N-ジメチルPABAブチルエステル、N,N-ジメチルPABAエチルエステル等の安息香酸系紫外線吸収剤；ホモメンチル-N- アセチルアントラニレート等のアントラニル酸系紫外線吸収剤；アミルサリシレート、メンチルサリシレート、ホモメンチルサリシレート、オクチルサリシレート、フェニルサリシレート、ベンジルサリシレート、p-イソプロパノールフェニルサリシレート等のサリチル酸系紫外線吸収剤；オクチルシンナメート、エチル-4-イソプロピルシンナメート、メチル-2,5-ジイソプロピルシンナメート、エチル-2,4-ジイソプロピルシンナメート、メチル-2,4-ジイソプロピルシンナメート、プロピル-p-メトキシシンナメート、イソプロピル-p-メトキシシンナメート、イソアミル-p-メトキシシンナメート、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) 、2-エトキシエチル-p-メトキシシンナメート、シクロヘキシル-p-メトキシシンナメート、エチル-α-シアノ-β-フェニルシンナメート、2-エチルヘキシル-α-シアノ-β-フェニルシンナメート、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等の桂皮酸系紫外線吸収剤；2,4-ジヒドロキシベンゾフェノン、2,2'- ジヒドロキシ-4- メトキシベンゾフェノン、2,2'- ジヒドロキシ-4,4'-ジメトキシベンゾフェノン、2,2',4,4'-テトラヒドロキシベンゾフェノン、2-ヒドロキシ-4- メトキシベンゾフェノン、2-ヒドロキシ-4- メトキシ-4'-メチルベンゾフェノン、2-ヒドロキシ-4- メトキシベンゾフェノン-5-スルホン酸塩、4-フェニルベンゾフェノン、2-エチルヘキシル-4'-フェニル-ベンゾフェノン-2-カルボキシレート、2-ヒドロキシ-4-n-オクトキシベンゾフェノン、4-ヒドロキシ-3-カルボキシベンゾフェノン等のベンゾフェノン系紫外線吸収剤；3-(4'-メチルベンジリデン)-d,l-カンファー、3-ベンジリデン-d,l-カンファー、ウロカニン酸、ウロカニン酸エチルエステル、2-フェニル-5-メチルベンゾキサゾール、2,2'-ヒドロキシ-5-メチルフェニルベンゾトリアゾール、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、ジベンザラジン、ジアニソイルメタン、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-オン等が挙げられる。
【００３５】
さらに本発明の日焼け止め化粧料には、必要に応じ本発明の効果を損なわない範囲で、通常化粧料に配合される成分、例えば、ナイロンパウダー、ポリメチルメタクリレート、スチレン−ジビニルベンゼン共重合体、ポリエチレン粉末、多孔性ビニル系ポリマー、アクリレートコポリマー、ポリメチルシルセスキオキサン粉末等の樹脂粉末や疎水化処理樹脂粉末；保湿剤；増粘剤；低級アルコール；多価アルコール；ムコ多糖類；防腐剤；酸化防止剤；金属イオン封鎖剤；ｐＨ調整剤；消炎剤；ビタミン、アミノ酸、ホルモン等の薬剤；生薬；収斂剤；顔料；分散剤；香料などを適宜配合することができる。
【００３６】
【実施例】
以下、実施例により本発明を更に詳しく説明する。なお、本発明はこれらの実施例にのみ限定されるものではない。配合量は指定がない限り重量％を表す。
【００３７】
「実施例１：日焼け止めクリーム」
（１）デカメチルシクロペンタシロキサン ２５．０
（２）流動パラフィン ５．０
（３）イソステアリン酸 １．０
（４）ジステアリルジメチルアンモニウムクロライド ０．６
（５）オクチルメトキシシンナメート ５．０
（６）パラベン 適 量
（７）香料 適 量
（８）疎水化紡錘型酸化チタン １０．０
（９）イオン交換水 残 量
（１０）グリセリン １０．０
（１１）スメクトン １．０
製法
（１）〜（７）を７０℃に加熱し、予め油相を調製しておく。次に（８）を加え、ディスパーで分散混合する。（９）〜（１１）を７０℃で分散混合してから油相へディスパーで攪拌しながら徐々に加え、充分均一に混合攪拌、冷却して目的の日焼け止めクリームを得た。
【００３８】
「比較例１：日焼け止めクリーム」
実施例１において、イソステアリン酸の代わりにポリオキシアルキレン変性オルガノポリシロキサンを用い、実施例１と同じ製法で日焼け止めクリームを製造した。
【００３９】
「実施例２：日焼け止めクリーム」
（１）デカメチルシクロペンタシロキサン ２０．０
（２）流動パラフィン １０．０
（３）デシルテトラデカノール ２．０
（４）ジステアリルジメチルアンモニウムクロライド ０．６
（５）オクチルメトキシシンナメート ５．０
（６）エタノール ２．０
（７）パラベン 適 量
（８）香料 適 量
（９）疎水化酸化チタン ５．０
（１０）疎水化酸化亜鉛 ５．０
（１１）イオン交換水 残 量
（１２）グリセリン ５．０
（１３）スメクトン １．０
製法
（１）〜（８）を７０℃に加熱し、予め油相を調製しておく。次に（９）、（１０）を加え、ディスパーで分散混合する。（１１）〜（１３）を７０℃で分散混合してから油相へディスパーで攪拌しながら徐々に加え、充分均一に混合攪拌、冷却して目的の日焼け止めクリームを得た。
【００４０】
「実施例３：クリーム状ファンデーション」
（１）デカメチルシクロペンタシロキサン ３０．０
（２）流動パラフィン １０．０
（３）オレイン酸 ０．１
（４）ベンジルジメチルジステアリルアンモニウムクロライド ０．０５
（５）オクチルメトキシシンナメート ８．０
（６）パラベン 適 量
（７）香料 適 量
（８）疎水化酸化チタン ５．０
（９）疎水化酸化亜鉛 ５．０
（１０）タルク ２０．０
（１１）着色顔料 適 量
（１２）イオン交換水 残 量
（１３）グリセリン ５．０
（１４）スメクトン ０．２
製法
（１）〜（７）を７０℃に加熱し、予め油相を調製しておく。次に（８）から（１１）を加え、ディスパーで分散混合する。（１２）〜（１４）を７０℃で分散混合してから油相へディスパーで攪拌しながら徐々に加え、充分均一に混合攪拌、冷却して目的のクリーム状ファンデーションを得た。
【００４１】
「実施例４：日焼け止めクリーム」
（１）流動パラフィン ２０．０
（２）トリオクタン酸グリセリル ５．０
（３）イソステアリン酸 ２．０
（４）ジステアリルジメチルアンモニウムクロライド ０．０５
（５）オクチルメトキシシンナメート ５．０
（６）２−ヒドロキシ−４−メトキシベンゾフェノン ２．０
（７）パラベン 適 量
（８）香料 適 量
（９）疎水化酸化チタン １．０
（１０）イオン交換水 残 量
（１１）１，３ブチレングリコール ５．０
（１２）ビーガム ０．５
製法
（１）〜（８）を７０℃に加熱し、予め油相を調製しておく。次に（９）を加え、ディスパーで分散混合する。（１０）〜（１２）を７０℃で分散混合してから油相へディスパーで攪拌しながら徐々に加え、充分均一に混合攪拌、冷却して目的の日焼け止めクリームを得た。
【００４２】
「実施例５：日焼け止めクリーム」
（１）デカメチルシクロペンタシロキサン ２８．０
（２）イソステアリルアルコール ５．０
（３）オクチルメトキシシンナメート １０．０
（４）２−ヒドロキシ−４−メトキシベンゾフェノン ０．５
（５）パラベン 適 量
（６）香料 適 量
（７）ベントン３８ ２．０
（８）疎水化紡錘型酸化チタン ２０．０
（９）疎水化酸化亜鉛 ３．０
（１０）ポリメチルシルセスキオキサン ５．０
（１１）イオン交換水 残 量
（１２）１，３ブチレングリコール ５．０
製法
（１）〜（６）を７０℃に加熱し、予め油相を調製しておく。次に（７）〜（９）を加え、ディスパーで分散混合する。（１０）〜（１２）を７０℃で分散混合してから油相へディスパーで攪拌しながら徐々に加え、充分均一に混合攪拌、冷却して目的の日焼け止めクリームを得た。なお、疎水化紡錘型酸化チタンは微粒子酸化チタン１００−Ｔ（帝国化工社製）を使用した。また、ベントン３８とはモンモリロナイト１００ｇを１００ｍ当量のジステアリルジメチルアンモニウムクロライドで処理した有機変性粘土鉱物である（米国ナショナルレッド社製）。
【００４３】
「比較例２：日焼け止めクリーム」
実施例５において、イソステアリルアルコールの代わりにポリオキシアルキレン変性オルガノポリシロキサンを用い、さらに、疎水化紡錘型酸化チタンの代わりに平均粒径０．０３〜０．０４ミクロン、直径と短径の平均比率１．３である疎水化酸化チタンを用いて、実施例５と同じ製法で日焼け止めクリームを製造した。
【００４４】
次に、上記で得られた日焼け止め化粧料につき、白さの目立ちにくさについて以下の試験を行い、その効果を「表１」に評価した。
【００４５】
（１）白さの目立ち試験
評価専門パネル２０名の前腕内側部（５×１０ｃｍ）にサンプル（実施例１〜５、比較例１〜２）を塗布し、３０分間放置後、白さの目立ち具合を評価した。（２）水洗後の白さの目立ち試験
（１）にて、白さの目立ち具合を評価した後、１０分間流水（３０℃）で塗布部を水洗し、白さの目立ち具合を評価した。
【００４６】
（１）、（２）における試験結果はいずれも下記に示す評価基準に従った。
（評価基準）
２０名中１６名以上が目立たないと評価した：◎
２０名中１２名以上が目立たないと評価した：○
２０名中６名以上が目立たないと評価した ：△
２０名中６名未満が目立たないと評価した ：×
【００４７】
【表１】
「表１」の結果から明らかなように、本発明の実施例は、水洗後の白さが目立たない優れた日焼け止め化粧料であることが分かる。
【００４９】
【発明の効果】
以上説明した通り、本発明によれば、肌への密着性が良く、耐水性に優れ、汗または海やプールでの活動に伴う水との接触によっても、肌に塗布した日焼け止め化粧料が白く浮き上がるということのない優れた使用性を有する日焼け止め化粧料を提供することが出来る。
【００５０】
したがって、白さの目立ちを気にすることなく、必要量の紫外線防御剤粉末を配合できるので、特に高い紫外線防御効果を期待する場合に有用である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sunscreen cosmetic. More specifically, the present invention relates to a sunscreen cosmetic that is excellent in water resistance and that the whiteness of the ultraviolet protective powder is not noticeable when it comes into contact with water.
[0002]
[Prior art]
A water-in-oil emulsion composition (hereinafter also referred to as a W / O emulsion composition) has been used in sunscreen cosmetics because of its good water resistance as a base.
[0003]
In general, the W / O type emulsion composition has a drawback that it is difficult to obtain a system having excellent temperature stability and usability. As a technique for improving this defect, a water-swellable clay mineral is used as a quaternary ammonium salt type cation. A W / O emulsion composition emulsified with an organically modified clay mineral obtained by treating with a surfactant and a nonionic surfactant is known (Japanese Patent Laid-Open Nos. 61-114721 and 61). -129033 and JP-A-61-212321).
[0004]
In addition, sunscreen cosmetics containing titanium oxide and zinc oxide as UV protection agents in the W / O emulsion composition using this technology, and further, hydrophobization as a technology to make the coating color of UV protection powder inconspicuous A technique (Japanese Patent Laid-Open No. 7-258055) using spindle-shaped titanium oxide is known.
[0005]
[Problems to be solved by the invention]
However, the conventional sunscreen cosmetics containing the UV protection powder have a problem that the UV protection powder floats white due to contact with water caused by sweat, sea or swimming pool activities.
[0006]
In view of the above circumstances, the inventors of the present invention have intensively studied to obtain a sunscreen cosmetic in which the whiteness when contacted with water is not noticeable in the W / O type sunscreen cosmetic using the organically modified clay mineral. As a result, it has been found that the problem can be solved by adding a normal temperature liquid fatty acid or higher alcohol without using a conventional nonionic surfactant, and the present invention has been completed.
[0007]
An object of the present invention is to provide a sunscreen cosmetic that is excellent in water resistance and is characterized by the fact that the whiteness of the ultraviolet protection powder is not noticeable when it comes into contact with water.
[0008]
That is, the present invention contains an emulsifier obtained by mixing a water-swellable clay mineral, a quaternary ammonium salt type cationic surfactant, and a normal temperature liquid fatty acid, an oil, water, and an ultraviolet protective agent powder. The mixing amount of the quaternary ammonium salt type cationic surfactant is 60 to 140 meq with respect to 100 g of the water-swellable clay mineral, and the mixing amount of the normal-temperature liquid fatty acid is 1 to 500 g of sunscreen cosmetic ( 100 ml of water-swellable clay mineral) (water-swellable clay mineral comprises quaternary ammonium salt type cationic surfactant and nonionic surfactant) W / O emulsified composition emulsified with an organically modified clay mineral obtained by treating with 1. Except sunscreen cosmetics containing a nonionic surfactant ).
[0011]
Further, the present invention water-swellable clay mineral, quaternary ammonium salt type cationic surfactants, and fatty acid liquid at normal temperature, and oil, and water, characterized in that it contains a UV protection agent powder The mixing amount of the quaternary ammonium salt type cationic surfactant is 60 to 140 milliequivalents with respect to 100 g of the water-swelling clay mineral, and the mixing amount of the room temperature liquid fatty acid is the water-swelling clay mineral. 1 to 500 g of sunscreen cosmetics (obtained by treating a water-swellable clay mineral with a quaternary ammonium salt type cationic surfactant and a nonionic surfactant W / O type emulsified compositions emulsified with organically modified clay minerals are excluded (except for sunscreen cosmetics containing nonionic surfactants ).
[0012]
That is, the present invention comprises an emulsifier obtained by mixing a water-swellable clay mineral, a quaternary ammonium salt-type cationic surfactant, and a room temperature liquid higher alcohol, an oil, water, and an ultraviolet protection powder. The mixing amount of the quaternary ammonium salt type cationic surfactant is 60 to 140 milliequivalents with respect to 100 g of the water-swellable clay mineral, and the room temperature liquid higher alcohol is mixed. Sunscreen cosmetics characterized in that the amount is 1 to 500 g with respect to 100 g of the water-swelling clay mineral (water-swelling clay mineral is converted to a quaternary ammonium salt type cationic surfactant and a nonionic surfactant. W / O type emulsified composition emulsified in an organic modified clay mineral obtained by treating with agent are excluded. there is provided a non-ionic surfactant sunscreen cosmetics containing excluded)
[0015]
The present invention is characterized by containing a water-swellable clay mineral, a quaternary ammonium salt type cationic surfactant, a room temperature liquid higher alcohol, an oil, water, and an ultraviolet protection powder. The mixing amount of the quaternary ammonium salt type cationic surfactant is 60 to 140 milliequivalents with respect to 100 g of the water-swellable clay mineral, and the mixing amount of the higher temperature liquid alcohol is the water-swelling property. 1 to 500 g of sunscreen cosmetic ( 100% clay mineral treated with water-swellable clay mineral with quaternary ammonium salt type cationic surfactant and nonionic surfactant) W / O type emulsified compositions emulsified with organically modified clay minerals are excluded (except for sunscreen cosmetics containing nonionic surfactants ).
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the constituent requirements of the present invention will be described in more detail.
[0017]
The water-swellable clay mineral used in the present invention is a kind of colloidal hydrous aluminum silicate having a three-layer structure.
(X, Y) 2-3 (Si, Al) 4 O 10 (OH) 2 Z 1/3 · nH 2 O
X = Al, Fe (III), Mn (III), Cr (III)
Y = Mg, Fe (II), Ni, Zn, Li, Mn (II)
Z = K, Na, 1 / 2Ca, 1 / 2Mg
Specifically, for example, montmorillonite group of natural or synthetic (in this case, (OH) group in the formula is substituted with fluorine) such as montmorillonite, saponite and hectorite (in the commercial product, bee gum, And synthetic mica known as sodium silicic mica, sodium or lithium teniolite (commercially available products include Daimonite; Topy Industries Co., Ltd.).
[0018]
The quaternary ammonium salt type cationic surfactant used in the present invention has the following general formula:
[0019]
Specifically, for example, dodecyltrimethylammonium chloride, myristyltrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, aralkyltrimethylammonium chloride, behenyltrimethylammonium chloride, myristyldimethylethylammonium chloride, cetyldimethylethylammonium chloride, Stearyldimethylethylammonium chloride, aralkyldimethylethylammonium chloride, behenyldimethylethylammonium chloride, myristyldiethylmethylammonium chloride, cetyldiethylmethylammonium chloride, stearyldiethylmethylammonium chloride, arachiridiethylmethyl Ammonium chloride, behenyl diethylmethylammonium chloride, benzyldiethylmethylammonium chloride, benzyldimethylcetylammonium chloride, benzyldimethylstearylammonium chloride, benzyldimethylbehenylammonium chloride, benzylmethylethylcetylammonium chloride, benzylmethylethylstearylammonium chloride, dibehenyldihydroxy Examples include ethylammonium chloride and the corresponding promide, and dipalmitylpropylethylammonium methyl sulfate. In carrying out the present invention, one or more of these are arbitrarily selected.
[0020]
Examples of normal temperature liquid fatty acids used in the present invention include oleic acid, isostearic acid, linoleic acid, linolenic acid, eicosapentaenoic acid, docosahexaenoic acid, and the like. In carrying out the present invention, one or more of these are arbitrarily selected.
[0021]
In addition, examples of room temperature liquid higher alcohols used in the present invention include oleyl alcohol, isostearyl alcohol, octyldodecanol, decyltetradecanol, jojoba alcohol, and the like. In carrying out the present invention, one or more of these are arbitrarily selected.
[0022]
The emulsifier used in the present invention can be produced by simply mixing the above essential components. Specifically, for example, a clay mineral, a quaternary ammonium salt type cationic activator, a room temperature liquid fatty acid or a higher alcohol in a low boiling point solvent such as water, acetone, lower alcohol, volatile isoparaffin or volatile silicone. Dispersing and stirring, or previously treating a clay mineral and a quaternary ammonium salt type cationic surfactant in a low boiling point solvent to obtain a cation-modified clay mineral (hereinafter also referred to as an organic-modified clay mineral) From the normal temperature liquid fatty acid or higher alcohol, and then the low boiling point solvent is removed. In the present invention, the low boiling point solvent can be used as an emulsifier without being removed.
[0023]
Since the quaternary ammonium salt type cationic surfactant and normal temperature liquid fatty acid or higher alcohol enter the clay mineral layer, the interlayer of the clay mineral is expanded, so the long spacing is measured by X-ray folding. By doing so, the presence or absence of adsorption of the quaternary ammonium salt type cationic surfactant and the normal temperature liquid fatty acid or higher alcohol can be confirmed.
[0024]
The content of the quaternary ammonium salt type cationic surfactant in the emulsifier used in the present invention is preferably 60 to 140 milliequivalents relative to 100 g of clay mineral. Moreover, 1-500g is preferable with respect to 100g of clay minerals, and, as for content of the normal temperature liquid fatty acid or higher alcohol in an emulsifier, More preferably, it is 1-300g. If the fatty acid or higher alcohol content is less than 1 g, the clay mineral layer does not spread sufficiently and the emulsification ability becomes insufficient. If it exceeds 500 g, the stability of the emulsion composition over time may deteriorate.
[0025]
The above-mentioned emulsifier used in the present invention can be added to a wide range of oil and water and emulsified in a W / O type. Compared to conventional emulsifiers using clay minerals, the emulsifier is stable, safe and usable. An excellent emulsified composition can be produced, and at the same time, a sunscreen cosmetic that makes the whiteness of the ultraviolet protective powder inconspicuous can be provided.
[0026]
As the oil used in the sunscreen cosmetic of the present invention, all common oils used in cosmetics, pharmaceuticals and the like can be used, and the range thereof can be widely used from polar oils to nonpolar oils.
[0027]
Specific examples of the oil used in the present invention include avocado oil, camellia oil, turtle oil, macadamia nut oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, Wheat germ oil, sasanqua oil, castor oil, flaxseed oil, safflower oil, cottonseed oil, eno oil, soybean oil, peanut oil, teaseed oil, kaya oil, rice bran oil, cinnabari oil, Japanese kiri oil, jojoba oil, germ oil , Triglycerin, glyceryl trioctanoate, glycerin triisopalmitate and the like.
Solid fats and oils include cocoa butter, coconut oil, horse fat, hydrogenated coconut oil, palm oil, beef tallow, sheep fat, hardened beef tallow, palm kernel oil, pork fat, beef bone fat, owl kernel oil, hydrogenated oil, and cow leg fat. , Mole, hydrogenated castor oil, and the like.
The waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, ibota wax, whale wax, montan wax, nuka wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugar cane wax, lanolin fatty acid isopropyl, lauryl hexyl, reduced lanolin, jojojo Examples include wax, hard lanolin, shellac wax, POE lanolin alcohol ether, POE lanolin alcohol acetate, POE cholesterol ether, lanolin fatty acid polyethylene glycol, and POE hydrogenated lanolin alcohol ether.
Examples of the hydrocarbon oil include liquid paraffin, ozokerite, squalene, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.
Examples of higher fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, behen (behenine) acid, 12-hydroxystearic acid, undecylenic acid, and toric acid.
Examples of the higher alcohol include cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, cetostearyl alcohol, and the like.
Synthetic ester oils include isopropyl myristate, cetyl octanoate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyl decyl dimethyloctanoate, cetyl lactate, myristyl lactate Lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearylate, ethylene glycol di-2-ethylhexylate, dipentaerythritol fatty acid ester, N-alkylglycol monoisostearate, neopentyl glycol dicaprate, malic acid Diisostearyl, di-2-heptylundecanoic acid glycerin, tri-2-ethylhexyl trimethylolpropane, triisostearate trimethylo Propane, penta-2-erythritol tetra-2-ethylhexylate, glycerol tri-2-ethylhexylate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, glyceryl trimyristate, tri-2-heptyl Undecanoic acid glyceride, castor oil fatty acid methyl ester, oleic acid oil, cetostearyl alcohol, acetoglyceride, 2-heptylundecyl palmitate, diisobutyl adipate, N-lauroyl-L-glutamic acid-2-octyldodecyl ester, adipic acid diester -2-heptylundecyl, ethyl laurate, di-2-ethylhexyl sebacate, 2-hexyldecyl myristate, 2-hexyldecyl palmitate, 2-hexyldecyl adipate, diisopropyl sebacate, Haq 2-ethylhexyl, ethyl acetate, butyl acetate, amyl acetate, and triethyl citrate.
Examples of the silicone oil include chain polysiloxanes such as dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane, and cyclic polysiloxanes such as decamethylpolysiloxane, dodecamethylpolysiloxane, and tetramethyltetrahydrogenpolysiloxane. Etc. In the present invention, one or more of these are arbitrarily selected.
[0028]
The blending amount of the oil in the total amount of the sunscreen cosmetic of the present invention is arbitrary, but usually 20 to 80% by weight is preferable with respect to the total amount of the sunscreen cosmetic. Moreover, although the compounding quantity of water is arbitrary, 20 to 80 weight% is normally suitable with respect to the sunscreen cosmetics whole quantity. Furthermore, the blending amount of the emulsifier necessary for emulsifying the oil and water is appropriately determined according to the blending amount of the oil and water so that a stable emulsion composition is obtained.
[0029]
Examples of the ultraviolet protective powder used in the present invention include titanium oxide, fine particle titanium oxide, zinc oxide, fine particle zinc oxide, iron oxide, fine particle iron oxide and the like. These UV protection powders can be used to absorb oils and fats on the surface as needed, or to use functional groups such as hydroxyl groups to cause esterification or etherification, and to make the powders lipophilic, the fatty acid treatment method Hydrophobic powder by surface treatment such as metal soap treatment method using zinc salt or magnesium salt, silicone treatment method using dimethylpolysiloxane or methylhydrogen polysiloxane, fluorine treatment method treating with fluorine compound having perfluoroalkyl group It can also be dispersed and blended in the oil.
[0030]
The blending amount of the UV protection powder in the sunscreen cosmetic of the present invention is usually 1 to 50% by weight, and if it is less than 1% by weight, the UV protection effect is poor. May cause poor usability.
[0031]
The sunscreen cosmetic of the present invention is prepared in advance using an organically modified clay mineral obtained by treating a water-swellable clay mineral with a quaternary ammonium salt type cationic surfactant and a room temperature liquid fatty acid or higher alcohol as an emulsifier. In this case, an oil phase mixed with an oil component and an aqueous phase in which a hydrophilic ultraviolet protective powder is dispersed are added and emulsified by a conventional method. When using an oleophilic UV protective powder, it is preferable to disperse the powder in the oil phase.
[0032]
Further, without pre-adjusting as an emulsifier, water-swelling clay mineral, quaternary ammonium salt type cationic surfactant, room temperature liquid fatty acid or higher alcohol, UV protection powder, water phase or oil phase in the formulation, respectively It can also be mixed and emulsified. Specifically, UV protective agent powder is dispersed and mixed in an oil phase containing a quaternary ammonium salt type cationic surfactant, room temperature liquid fatty acid or higher alcohol, and oil, and then water-swellable clay mineral is dispersed. The target sunscreen cosmetics can be produced by adding the mixed aqueous phase and mixing and stirring.
[0033]
In addition, an organically modified clay mineral prepared by treating a water-swellable clay mineral with a quaternary ammonium salt type cationic surfactant in advance is prepared, and the organically modified clay mineral, room temperature liquid fatty acid or higher alcohol, UV protection agent The powder can be mixed and emulsified in the water phase or oil phase of the formulation, respectively. Specifically, organically modified clay minerals and UV protection agents in which water-swellable clay minerals have already been treated with quaternary ammonium salt type cationic surfactants in an oil phase containing normal-temperature liquid fatty acids or higher alcohols and oils The desired sunscreen cosmetic can be produced by dispersing and mixing the powder, then adding the aqueous phase and mixing and stirring.
[0034]
The sunscreen cosmetic of the present invention can be appropriately mixed with an ultraviolet absorber as necessary. Examples of the ultraviolet absorber include paraaminobenzoic acid (hereinafter abbreviated as PABA), PABA monoglycerin ester, N, N-dipropoxy PABA ethyl ester, N, N-diethoxy PABA ethyl ester, N, N-dimethyl PABA ethyl ester. Benzoic acid UV absorbers such as N, N-dimethyl PABA butyl ester and N, N-dimethyl PABA ethyl ester; anthranilic acid UV absorbers such as homomenthyl-N-acetylanthranilate; amyl salicylate, menthyl salicylate, Salicylic acid UV absorbers such as homomenthyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate, p-isopropanol phenyl salicylate; octyl cinnamate, ethyl-4-isopropylcinnamate, methyl-2,5-diisopropylcinnamate, ethyl- 2,4-diisopropyl Nannamate, methyl-2,4-diisopropylcinnamate, propyl-p-methoxycinnamate, isopropyl-p-methoxycinnamate, isoamyl-p-methoxycinnamate, octyl-p-methoxycinnamate (2-ethylhexyl-p- Methoxycinnamate), 2-ethoxyethyl-p-methoxycinnamate, cyclohexyl-p-methoxycinnamate, ethyl-α-cyano-β-phenylcinnamate, 2-ethylhexyl-α-cyano-β-phenylcinnamate, Cinnamic acid UV absorbers such as glyceryl mono-2-ethylhexanoyl-diparamethoxycinnamate; 2,4-dihydroxybenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone, 2,2'-dihydroxy-4 , 4'-dimethoxybenzophenone, 2,2 ', 4,4'-tetrahydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone 2-hydroxy-4-methoxy-4'-methylbenzophenone, 2-hydroxy-4-methoxybenzophenone-5-sulfonate, 4-phenylbenzophenone, 2-ethylhexyl-4'-phenyl-benzophenone-2-carboxy Benzophenone-based ultraviolet absorbers such as 2-hydroxy-4-n-octoxybenzophenone and 4-hydroxy-3-carboxybenzophenone; 3- (4′-methylbenzylidene) -d, l-camphor, 3-benzylidene- d, l-camphor, urocanic acid, urocanic acid ethyl ester, 2-phenyl-5-methylbenzoxazole, 2,2'-hydroxy-5-methylphenylbenzotriazole, 2- (2'-hydroxy-5'- t-octylphenyl) benzotriazole, 2- (2'-hydroxy-5'-methylphenylbenzotriazole), dibenzalazine, dianisoylmethane, 4-methoxy-4'-t-butyldibenzoy Methane, 5- (3,3-dimethyl-2-norbornylidene) -3-pentan-2-one, and the like.
[0035]
Furthermore, in the sunscreen cosmetics of the present invention, as long as the effects of the present invention are not impaired as required, components usually blended in cosmetics, such as nylon powder, polymethyl methacrylate, styrene-divinylbenzene copolymer, Resin powder such as polyethylene powder, porous vinyl polymer, acrylate copolymer, polymethylsilsesquioxane powder, and hydrophobized resin powder; moisturizer; thickener; lower alcohol; polyhydric alcohol; mucopolysaccharide; An antioxidant, a sequestering agent, a pH adjuster, an anti-inflammatory agent, a drug such as vitamins, amino acids and hormones, a herbal medicine, an astringent, a pigment, a dispersant, and a fragrance.
[0036]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples. In addition, this invention is not limited only to these Examples. Unless otherwise specified, the blending amount represents% by weight.
[0037]
"Example 1: Sunscreen cream"
(1) Decamethylcyclopentasiloxane 25.0
(2) Liquid paraffin 5.0
(3) Isostearic acid 1.0
(4) Distearyldimethylammonium chloride 0.6
(5) Octyl methoxycinnamate 5.0
(6) Paraben appropriate amount (7) Fragrance appropriate amount (8) Hydrophobic spindle type titanium oxide 10.0
(9) Residual amount of ion-exchanged water (10) Glycerin 10.0
(11) Smecton 1.0
Manufacturing method (1)-(7) is heated at 70 degreeC, and an oil phase is prepared previously. Next, (8) is added and dispersed and mixed with a disper. (9) to (11) were dispersed and mixed at 70 ° C. and then gradually added to the oil phase while stirring with a disper, and sufficiently uniformly mixed, stirred and cooled to obtain the desired sunscreen cream.
[0038]
“Comparative Example 1: Sunscreen Cream”
A sunscreen cream was produced in the same manner as in Example 1, except that polyoxyalkylene-modified organopolysiloxane was used in place of isostearic acid.
[0039]
"Example 2: Sunscreen cream"
(1) Decamethylcyclopentasiloxane 20.0
(2) Liquid paraffin 10.0
(3) Decyltetradecanol 2.0
(4) Distearyldimethylammonium chloride 0.6
(5) Octyl methoxycinnamate 5.0
(6) Ethanol 2.0
(7) Paraben appropriate amount (8) Fragrance appropriate amount (9) Hydrophobized titanium oxide 5.0
(10) Hydrophobized zinc oxide 5.0
(11) Residual amount of ion-exchanged water (12) Glycerin 5.0
(13) Smecton 1.0
Manufacturing method (1)-(8) is heated at 70 degreeC, and an oil phase is prepared previously. Next, (9) and (10) are added and dispersed and mixed with a disper. (11) to (13) were dispersed and mixed at 70 ° C., and then gradually added to the oil phase while stirring with a disper, and sufficiently uniformly mixed, stirred and cooled to obtain the desired sunscreen cream.
[0040]
"Example 3: Creamy foundation"
(1) Decamethylcyclopentasiloxane 30.0
(2) Liquid paraffin 10.0
(3) Oleic acid 0.1
(4) Benzyldimethyl distearyl ammonium chloride 0.05
(5) Octylmethoxycinnamate 8.0
(6) Paraben appropriate amount (7) Fragrance appropriate amount (8) Hydrophobized titanium oxide 5.0
(9) Hydrophobized zinc oxide 5.0
(10) Talc 20.0
(11) Coloring pigment appropriate amount (12) Ion-exchange water remaining amount (13) Glycerin 5.0
(14) Smecton 0.2
Manufacturing method (1)-(7) is heated at 70 degreeC, and an oil phase is prepared previously. Next, add (8) to (11) and disperse and mix with a disper. (12) to (14) were dispersed and mixed at 70 ° C. and then gradually added to the oil phase while stirring with a disper, and the mixture was stirred and cooled sufficiently uniformly to obtain the desired creamy foundation.
[0041]
"Example 4: Sunscreen cream"
(1) Liquid paraffin 20.0
(2) Glyceryl trioctanoate 5.0
(3) Isostearic acid 2.0
(4) Distearyldimethylammonium chloride 0.05
(5) Octyl methoxycinnamate 5.0
(6) 2-hydroxy-4-methoxybenzophenone 2.0
(7) Paraben appropriate amount (8) Fragrance appropriate amount (9) Hydrophobized titanium oxide 1.0
(10) Residual amount of ion-exchanged water (11) 1,3-butylene glycol 5.0
(12) Veaham 0.5
Manufacturing method (1)-(8) is heated at 70 degreeC, and an oil phase is prepared previously. Next, add (9) and disperse and mix with a disper. (10) to (12) were dispersed and mixed at 70 ° C., and then gradually added to the oil phase while stirring with a disper, and sufficiently uniformly mixed, stirred and cooled to obtain the desired sunscreen cream.
[0042]
"Example 5: Sunscreen cream"
(1) Decamethylcyclopentasiloxane 28.0
(2) Isostearyl alcohol 5.0
(3) Octyl methoxycinnamate 10.0
(4) 2-hydroxy-4-methoxybenzophenone 0.5
(5) Paraben appropriate amount (6) Fragrance appropriate amount (7) Benton 38 2.0
(8) Hydrophobized spindle type titanium oxide 20.0
(9) Hydrophobized zinc oxide 3.0
(10) Polymethylsilsesquioxane 5.0
(11) Residual amount of ion-exchanged water (12) 1,3-butylene glycol 5.0
Manufacturing method (1)-(6) is heated at 70 degreeC, and an oil phase is prepared previously. Next, (7) to (9) are added and dispersed and mixed with a disper. (10) to (12) were dispersed and mixed at 70 ° C., and then gradually added to the oil phase while stirring with a disper, and sufficiently uniformly mixed, stirred and cooled to obtain the desired sunscreen cream. As the hydrophobized spindle type titanium oxide, fine particle titanium oxide 100-T (manufactured by Teikoku Kako) was used. Benton 38 is an organically modified clay mineral obtained by treating 100 g of montmorillonite with 100 m equivalent of distearyldimethylammonium chloride (National Red, USA).
[0043]
“Comparative Example 2: Sunscreen Cream”
In Example 5, polyoxyalkylene-modified organopolysiloxane was used in place of isostearyl alcohol, and the average particle diameter was 0.03 to 0.04 microns instead of hydrophobized spindle-type titanium oxide. A sunscreen cream was produced by the same production method as in Example 5 using hydrophobized titanium oxide having a ratio of 1.3.
[0044]
Next, the sunscreen cosmetics obtained above were subjected to the following tests for the difficulty of conspicuous whiteness, and the effects were evaluated in “Table 1”.
[0045]
(1) Whiteness conspicuousness test Evaluation A sample (Examples 1 to 5 and Comparative Examples 1 and 2) was applied to the inner part of the forearm (5 × 10 cm) of 20 panelists specializing in evaluation, and after standing for 30 minutes, the conspicuousness of whiteness The condition was evaluated. (2) In the conspicuousness test of whiteness after washing (1), the conspicuousness of whiteness was evaluated, and the coated part was washed with running water (30 ° C.) for 10 minutes to evaluate the conspicuousness of whiteness.
[0046]
The test results in (1) and (2) both followed the evaluation criteria shown below.
(Evaluation criteria)
More than 16 out of 20 people rated it as inconspicuous:
Evaluated that 12 or more out of 20 were inconspicuous: ○
Evaluated that 6 or more out of 20 people were inconspicuous: △
Evaluated that less than 6 out of 20 were inconspicuous: ×
[0047]
[Table 1]
As is apparent from the results of “Table 1”, it can be seen that the examples of the present invention are excellent sunscreen cosmetics in which the whiteness after washing is not noticeable.
[0049]
【The invention's effect】
As described above, according to the present invention, the sunscreen cosmetics applied to the skin have good adhesion to the skin, excellent water resistance, and sweat or contact with water accompanying activities in the sea or pool. It is possible to provide a sunscreen cosmetic having excellent usability that does not float white.
[0050]
Therefore, since a necessary amount of the ultraviolet protective agent powder can be blended without worrying about the conspicuous whiteness, it is useful when a particularly high ultraviolet protective effect is expected.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15233598A JP4010647B2 (en) | 1998-05-15 | 1998-05-15 | Sunscreen cosmetics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15233598A JP4010647B2 (en) | 1998-05-15 | 1998-05-15 | Sunscreen cosmetics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11322562A JPH11322562A (en) | 1999-11-24 |
| JP4010647B2 true JP4010647B2 (en) | 2007-11-21 |
Family
ID=15538300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15233598A Expired - Lifetime JP4010647B2 (en) | 1998-05-15 | 1998-05-15 | Sunscreen cosmetics |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4010647B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100338515B1 (en) * | 1999-12-23 | 2002-05-30 | 김영대 | UV blocking composition containing zinc oxide-polyquaternium complex |
| JP4728517B2 (en) * | 2001-06-29 | 2011-07-20 | 株式会社 資生堂 | Topical skin preparation |
| JP4834775B2 (en) * | 2010-03-04 | 2011-12-14 | 株式会社 資生堂 | Sunscreen composition |
| TW201221146A (en) * | 2010-10-19 | 2012-06-01 | Shiseido Co Ltd | Cosmetic material containing a powder dispersion liquid |
-
1998
- 1998-05-15 JP JP15233598A patent/JP4010647B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11322562A (en) | 1999-11-24 |
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