JP6382012B2 - Foam lotion - Google Patents

Description

  The present invention relates to a foamy lotion.

Lotions are widely used as items that give the skin freshness and improve the familiarity of the later applied emulsions and creams.
Further, as skin cosmetics filled in a container equipped with a foam discharge mechanism, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyglycerin fatty acid ester, sucrose fatty acid ester and polyoxyethylene There is known a skin cosmetic (Patent Document 1) containing a nonionic surfactant containing one or more selected from the group consisting of ethylene hydrogenated castor oil.

JP 2014-101333 A

  However, the nonionic surfactant described in Patent Document 1 is a surfactant having an ester bond, is easily hydrolyzed with time, and has a problem in stability. Therefore, there has been a demand for a lotion agent filled in a container equipped with a foam discharge mechanism, which has good foaming properties, stability and safety.

  The present invention provides a lotion agent filled in a non-aerosol type foam discharge container and containing a hydrophilic polyglycerin alkyl ether as a foaming agent.

  The skin external preparation filled in the foam discharge container of the present invention exhibits the effects that foamability is good and stability and safety are good.

  The present invention relates to a lotion agent filled in a non-aerosol type foam discharge container, which contains a hydrophilic polyglycerin alkyl ether as a foaming agent.

  The hydrophilic polyglycerin alkyl ether of the present invention uses a highly hydrophilic compound having an HLB value of 8 or more. The alkyl part of the hydrophilic polyglycerin alkyl ether may be a linear or branched alkyl group, alkenyl group, or hydroxyalkyl group having 8 to 24 carbon atoms, preferably 8 to 18 carbon atoms, more preferably 8-14 are used. The number of n is 2 to 14, preferably 2 to 12. The balance between hydrophilicity and lipophilicity is adjusted by the number of carbon atoms and the degree of polymerization of glycerin. The hydrophilic polyglycerin alkyl ether is preferably a hydrophilic polyglycerin monoalkyl ether.

  In the present invention, it is most preferable to use a polyglycerol monoalkyl ether having an alkyl group having 12 carbon atoms and n of 4 or 10.

  The blending amount of the hydrophilic polyglycerin alkyl ether of the present invention in the lotion agent varies depending on the use of the lotion agent, but is preferably 0.01 to 20% by mass. When the amount is less than 0.01% by mass, good foam may not be discharged. Even if it exceeds 20% by mass, no further improvement is observed in the legislative system, which may cause stickiness.

  The lotion preparation of the present invention can improve the texture of foam and the stickiness on the skin by using a water-soluble polymer in combination. Such a water-soluble polymer is not particularly limited as long as it can be blended with a lotion agent. Specifically, hydroxyethyl cellulose (polyquaternium-10) having an O- [2-hydroxy-3- (trimethylammonio) propyl] group, (vinylpyrrolidone-dimethylaminomethylethyl methacrylate copolymer diethyl sulfate (polyquaternium) -11), methyl vinyl imidazolium chloride-vinyl pyrrolidone copolymer, carboxy vinyl polymer, carboxymethyl cellulose, carrageenan, xanthan gum, polystyrene sulfonate, agar, gatch gum, caraya gum, pectin, alginate salt, acrylic acid / alkyl methacrylate copolymer , (Na acrylate / acryloyl dimethyl taurine Na) copolymer, poly (acrylic acid) or alkali metal and ammonium salts of acrylic acid or methacrylic acid Crylic acid or methacrylic acid derivative, hyaluronic acid or its alkali metal salt, hydroxybutylmethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, hydroxyethylcellulose, propylene glycol alginate, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, hydroxypropyl guar gum, locust Examples include bean gum, amylose, hydroxyethyl amylose, starch and starch derivatives and mixtures thereof, polyethylene glycol having an average molecular weight of 1000 or more, octylacrylamide / acrylate / butylaminoethyl methacrylate copolymer, polyquaternium-47, polyquaternium-43, and the like.

These water-soluble polymers can be used alone or in combination of two or more. In the lotion of the present invention, it is preferable to use one or more selected from xanthan gum, hydroxyethyl cellulose, highly polymerized ethylene glycol, and sodium alginate.

  The blending amount of the water-soluble polymer varies depending on the kind of the water-soluble polymer to be blended, but is generally 0.0001 to 1% by mass with respect to the total amount of the lotion agent. When the amount is less than 0.0001% by mass, the foam quality improving effect may not be recognized. If it exceeds 1% by mass, it may cause stickiness or ejection failure.

  A moisturizing agent can be blended in the lotion of the present invention. A favorable feeling of use can be obtained by mix | blending a moisturizer. Such a humectant is not particularly limited as long as it can be blended with a lotion agent, but glycerin, 1,3-butylene glycol, propylene glycol, 3-methyl-1,3-butanediol, 1,3-propanediol. 2-methyl-1,3-propanediol, 1,2-pentanediol, trimethylolpropane, pentaerythritol, hexylene glycol, diglycerin, polyglycerin, diethylene glycol, polyethylene glycol, dipropylene glycol, polypropylene glycol, ethylene glycol・ Polyols such as propylene glycol copolymer and polymers thereof; diethylene glycol monoethyl ether (ethoxydiglycol), ethylene glycol monoethyl ether, ethylene glycol monobutyl Glycol alkyl ethers such as ruether and diethylene glycol dibutyl ether; sugar alcohols such as sorbitol, xylitol, erythritol, mannitol, maltitol; glucose, fructose, galactose, mannose, threose, xylose, arabinose, fucose, ribose, deoxyribose, maltose , Trehalose, sucrose, lactose, raffinose, gluconic acid, glucuronic acid, cyclodextrins (α-, β-, γ-cyclodextrin, and modified cyclodextrins such as maltosylation and hydroxyalkylation), β-glucan, chitin , Chitosan, heparin and derivatives, pectin, arabinogalactan, dextrin, dextran, glycogen, ethyl glucoside, methacrylate Sugars and derivatives thereof such as glucosyl ethyl phosphate polymer or copolymer; hyaluronic acid, sodium hyaluronate; sodium chondroitin sulfate; mucoitin sulfate, caroline sulfate, kerato sulfate, dermatan sulfate; white jellyfish extract, white jellyfish polysaccharide; fucoidan Tuberculous polysaccharides, naturally occurring polysaccharides; organic acids such as citric acid, tartaric acid and lactic acid and their salts; urea; salts such as 2-pyrrolidone-5-carboxylic acid and sodium; betaine (trimethylglycine), proline, hydroxy Proline, arginine, lysine, serine, glycine, alanine, phenylalanine, tyrosine, β-alanine, threonine, glutamic acid, glutamine, asparagine, aspartic acid, cysteine, cystine, methionine, leucine, isoleucine Amino acids such as valine, tryptophan, histidine, taurine and salts thereof; collagen, fish-derived collagen, atelocollagen, gelatin, elastin, collagen degrading peptide, hydrolyzed collagen, hydroxypropylammonium chloride hydrolyzed collagen, elastin degrading peptide, keratin degrading peptide , Hydrolyzed keratin, conchiolin degrading peptide, hydrolyzed conchiolin, silk proteolytic peptide, hydrolyzed silk, lauroyl hydrolyzed silk sodium, soybean proteolytic peptide, wheat proteolytic peptide, hydrolyzed wheat protein, casein degrading peptide, acylated peptide Such as protein peptides and derivatives thereof; acylated peptides such as palmitoyl oligopeptide, palmitoyl pentapeptide, palmitoyl tetrapeptide; Silylated peptides; lactic acid bacteria culture solution, yeast extract, eggshell membrane protein, bovine submaxillary gland mucin, hypotaurine, sesame lignan glycoside, glutathione, albumin, whey; choline chloride, phosphorylcholine; placental extract, elastin, aloe extract , Hamamelis water, loofah water, chamomile extract, licorice extract, comfrey extract, silk extract, Izayoi rose extract, yarrow extract, eucalyptus extract, merirot extract, natural ceramide (types 1, 2, 3, 4, 5, 6), ceramides such as hydroxyceramide, pseudoceramide, glycosphingolipid, ceramide and sugar-ceramide-containing extract. Among these humectants, it is particularly preferable to use one or more selected from 1,3-butylene glycol, glycerin, sorbitol, hyaluronic acid, and sodium hyaluronate.

  These humectants can be blended in a proportion of 0.1 to 40% by mass, preferably 5 to 35% by mass, based on the total amount of the lotion agent, alone or in combination of two or more. If the blending amount is less than 0.1% by mass, the moisturizing effect may not be recognized. If the blending amount exceeds 40% by mass, there may be an increase in null-sticking during use, foaming and foam quality.

  In the lotion of the present invention, any active ingredient and base material component that are usually blended in the lotion can be blended within a range that does not impair the effects of the present invention.

  The foamy lotion of the present invention is obtained by filling the lotion of the present invention into a container having a foam discharge mechanism. The lotion preparation of the present invention is a foam that can prevent slipping during use, particularly when filled in a container equipped with a foam ejection mechanism, and has good foaming properties and good stability and safety. Demonstrate the effect.

  As the foam discharge method by the foam discharge mechanism, a foam discharge method is preferred in which the liquid in the container pumped up by the gripping force is discharged from the specific discharge port to the outside of the container and mixed with air at that time.

  As the foam discharge mechanism, a container including a porous film body, preferably a pump former having one or two porous film bodies having a mesh size of 100 to 300 / inch is preferable.

  The present invention will be described below with reference to examples, but the technical scope of the present invention is not limited thereto.

  With the formulations shown in Tables 1 and 3, lotions were prepared by a conventional method and evaluated.

  Evaluation methods for various tests are as follows.

[appearance]
The appearance of the lotion immediately after the preparation was observed to confirm the occurrence of white turbidity and cages.
[Foamability, foam state]
A lotion is filled in a foam discharge container equipped with a porous membrane body having a discharge side of 200 mesh and a suction side of 100 mesh, and the amount of discharged foam and the state of the foam are confirmed. Evaluation was made in 4 stages.
[Stability]
In a state where the mayonnaise bottle is filled and sealed, the state after storage for 6 months is observed using a 40 ° C thermostatic bath, the presence or absence of pH change and the appearance change are confirmed, and three stages of ○, △ and × It was evaluated with.
[Usage feeling]
The presence or absence of stickiness after use was evaluated in four stages.

  As shown in Table 2, a lotion using a surfactant other than polyglyceryl alkyl ether did not give good results in terms of appearance, foamability, foam state, and stability. On the other hand, Example 1 of this invention was a favorable evaluation result in all the items.

  As shown in Table 3, the examples of the present invention were excellent in appearance, foamability, foam state, and stability. Further, by adding a water-soluble polymer, it was possible to obtain a skin lotion having a good foam state and excellent usability even when a small amount of a surfactant was added.

  Regarding Examples 1 to 10 of the present invention, a 24-hour occlusion patch skin patch test and a skin irritation test were performed. As a result, no particular problem was observed, and Examples 1 to 10 of the present invention were excellent in safety.

Claims (1)

A lotion agent filled in a non-aerosol type foam discharge container, comprising one or two kinds selected from tetraglyceryl lauryl ether and decaglyceryl lauryl ether as a foaming agent.