WO2022054820A1 - Composition d'émulsion de type huile dans l'eau - Google Patents

Composition d'émulsion de type huile dans l'eau Download PDF

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Publication number
WO2022054820A1
WO2022054820A1 PCT/JP2021/032951 JP2021032951W WO2022054820A1 WO 2022054820 A1 WO2022054820 A1 WO 2022054820A1 JP 2021032951 W JP2021032951 W JP 2021032951W WO 2022054820 A1 WO2022054820 A1 WO 2022054820A1
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Prior art keywords
oil
dimethicone
silicone elastomer
examples
silicone
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PCT/JP2021/032951
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English (en)
Japanese (ja)
Inventor
亮 古川
圭太 西田
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株式会社 資生堂
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Priority to CN202180055896.1A priority Critical patent/CN116075289A/zh
Publication of WO2022054820A1 publication Critical patent/WO2022054820A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89—Polysiloxanes
    • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89—Polysiloxanes
    • A61K8/895—Polysiloxanes containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations

Definitions

  • the present invention relates to an oil-in-water emulsified composition.
  • the oil-in-water emulsified composition is widely used as a base for external skin preparations such as skin cosmetics that are directly applied to the skin because it gives a refreshing and moist feel when applied to the skin.
  • the oil-in-water emulsified composition contains a silicone elastomer because it has the effects of reducing stickiness and squeaking of the skin after application and softening the skin (for example, Patent Documents 1 and 2).
  • dimethicodiethylbenzalmalonate is a kind of ultraviolet absorber in the UV-B region (ultraviolet-B: 280 to 320 nm), but its ultraviolet protection ability is lower than that of other ultraviolet absorbers, and its ultraviolet protection ability is low.
  • SPF unsun protection factor
  • Patent Document 3 describes dimethicodiethylbenzalmalonate and 2,2'-methylenebis [6- (2H-benzotriazole-2-yl) -4- (1,1,3).
  • an object of the present invention is to provide an oil-in-water emulsified composition capable of improving the absorbance even if a silicone elastomer is blended. ..
  • the oil-in-water emulsified composition of the present invention (A) Dimethicodiethylbenzalmaronate and (B) Silicone elastomer and (C) A surfactant having an HLB of 8 or less having a hydrocarbon group having 4 or more carbon atoms in the main chain of dimethicone, and Is included.
  • the oil-in-water emulsified composition of the present invention preferably contains (D) an oil-soluble ultraviolet absorber other than (A) dimethicodiethylbenzalmalonate in an amount of 8% by mass or more based on the total amount of the composition.
  • the mass ratio of (B) silicone elastomer to (C) a surfactant having HLB 8 or less having a hydrocarbon group having 4 or more carbon atoms in the dimethicone main chain is preferably 0.5 to 10.
  • the mass ratio of (B) silicone elastomer to (A) dimethicodiethylbenzalmalonate is preferably 0.1 to 2.
  • the oil-in-water emulsified composition of the present invention (A) Dimethicodiethylbenzalmaronate and (B) Silicone elastomer and (C) Since the dimethicone main chain contains a surfactant having an HLB of 8 or less having a hydrocarbon group having 4 or more carbon atoms, the absorbance can be improved even if a silicone elastomer is blended.
  • the oil-in-water emulsified composition of the present invention (A) Dimethicodiethylbenzalmaronate and (B) Silicone elastomer and (C) A surfactant having an HLB of 8 or less having a hydrocarbon group having 4 or more carbon atoms in the main chain of dimethicone, and Is included.
  • a surfactant having an HLB of 8 or less having a hydrocarbon group having 4 or more carbon atoms in the main chain of dimethicone, and Is included (Is included.
  • HLB hydrocarbon group having 4 or more carbon atoms in the main chain of dimethicone
  • each component will be described in detail.
  • POE is an abbreviation for polyoxyethylene
  • PEG is an abbreviation for polyethylene glycol
  • PPG is an abbreviation for polypropylene glycol.
  • Dimethicodiethylbenzalmalonate Dimethicodiethylbenzalmaronate contained in the oil-in-water emulsified composition of the present invention is a silicone-modified compound liquid at room temperature and is also called polysilicone-15.
  • Dimethicodiethylbenzalmalonate is a known ultraviolet absorber and a commercially available product can be used. Examples thereof include “PARSOL SLX" (DSM Nutritional Products).
  • the blending amount of (A) dimethicodiethylbenzalmalonate is preferably 0.1 to 10% by mass, more preferably 0.3 to 8% by mass, and further 0.5 by mass with respect to the total amount of the composition. It is preferably ⁇ 5% by mass. When it is 0.1% by mass or more with respect to the total amount of the composition, the absorbance can be further improved, and when it is 10% by mass or less, better usability can be ensured.
  • silicone elastomer crosslinked silicone contained in the oil-in-water emulsifying composition of the present invention is not particularly limited, but is not particularly limited, but is a dimethicone crosspolymer, a dimethicone / vinyldimethicone crosspolymer (polysilicone 11).
  • One or more selected from the group is preferably used.
  • the silicone elastomer When preparing the oil-in-water emulsified composition of the present invention, it is preferable to blend the silicone elastomer in the form of a swelled product swollen with an oil that is liquid at room temperature. This further improves the dispersibility and stability of the crosslinked silicone.
  • the liquid oil content used for swelling include liquid silicone oil, liquid hydrocarbon oil, liquid ester oil, liquid higher fatty acid and the like, and in particular, low viscosity at room temperature (25 ° C.), for example, liquid of 100 mPa ⁇ s or less. Oil is preferred. The preferred viscosity range is 1 to 100 mPa ⁇ s.
  • the mixing ratio of the crosslinked silicone and the liquid oil is preferably 5:95 to 40:60 in terms of mass ratio.
  • the fact that the liquid oil swelling material is within this mass ratio makes the preparation of an oil-in-water emulsified composition more suitable.
  • liquid oil swelling product of the silicone elastomer a commercially available product can be used, and examples of the commercially available product include the following.
  • the swelling product of dimethicone crosspolymer 9040 silicone elastomer blend (mixture of dimethicone crosspolymer and decamethylcyclopentasiloxane with 12% crosslinked product) and 9041 silicone elastomer blend (dimethicone crosspolymer, crosslinked with dimethicone 5 mPa ⁇ s mixture).
  • the swellings of the dimethicone / vinyl dimethicone crosspolymer include KSG-15 ((dimethicone / vinyl dimethicone) crosspolymer, a mixture of cyclopentasiloxane with a crosslinked product of 4 to 10%), and KSG-16 ((dimethicone / vinyldimethicone)).
  • GRANSIL DMG-50 a mixture of polymer-11 and dimethicone 50 mPa ⁇ s, about 26% crosslinked
  • GRANSIL PM a mixture of polysilicone-11 and phenyltrimethicone, about 2 crosslinkeds.
  • GRANSIL ININ a mixture of polysilicone-11 and isononyl isononanoate with a crosslinked product of about 15% (above, manufactured by GRANT) and the like.
  • the swelling product of dimethicone / phenylvinyl dimethicone crosspolymer is KSG-18A (a mixture of (dimethicone / phenylvinyl dimethicone) crosspolymer and diphenylsiloxyphenyltrimethicone with a crosslinked product of 10 to 20%) (manufactured by Shin-Etsu Chemical Co., Ltd.). And so on.
  • the swellings of the vinyl dimethicone / lauryl dimethicone cross-polymer include KSG-41 ((vinyl dimethicone / lauryl dimethicone) cross-polymer, 25-30% crosslinked product of a mixture of mineral oils), KSG-42 ((vinyl dimethicone / lauryl)).
  • Dimethicone Cross-polymer, cross-linked product of isododecane 20-30%), KSG-43 ((vinyl dimethicone / lauryl dimethicone) cross-polymer, cross-linked product of trioctanoin 25-35%), KSG-44 ((Vinyl dimethicone / lauryl dimethicone) cross-polymer, cross-linked product is 25-35% in a mixture of squalane) (above, manufactured by Shin-Etsu Chemical Industry Co., Ltd.) and the like.
  • VELVESIL 125 a mixture of alkyl (C30-45) cetearyl dimethicone crosspolymer and cyclopentasiloxane, the crosslinked product is about 12.5%
  • VELVESIL Plus A mixture of alkyl (C30-45) cetearyl dimethicone crosspolymer, cyclopentasiloxane, PEG / PPG-20 / 23 dimethicone 5 mPa ⁇ s, and the crosslinked product is about 20%
  • Examples of the swelling product of cetearyl dimethicone cross polymer include VELVESIL DM (a mixture of cetearyl dimethicone cross polymer and dimethicone 5 mPa ⁇ s with a crosslinked product of about 17%) (manufactured by Momentive Performance Materials).
  • KSG-210 solid content 20-30%) as a mixture of partially crosslinked polyether-modified silicone and dimethylpolysiloxane
  • KSG-51 as a mixture with cyclic fluorine-containing silicone such as fluoroalkyl group-containing cyclic organopolysiloxane.
  • Examples of the mixture of partially crosslinked polyglycerin-modified silicone and dimethylpolysiloxane include KSG-710 (solid content 20 to 25%) (all manufactured by Shin-Etsu Chemical Industry Co., Ltd.).
  • alkyl group-containing crosslinked polyether-modified silicone examples include mineral oil PEG-15 lauryldimethicone crosspolymer (“KSG-310”; manufactured by Shin-Etsu Chemical Industry Co., Ltd.) and isododecane PEG-15 lauryldimethicone crosspolymer (“KSG-320”).
  • Trioctanoin PEG-15 lauryl dimethicone crosspolymer (“KSG-330 ”; manufactured by Shinetsu Chemical Industry Co., Ltd.), Squalane PEG-15 lauryl dimethicone cross polymer PEG-10 lauryl dimethicone cloth
  • KSG-340 manufactured by Shin-Etsu Chemical Industry Co., Ltd.
  • dimethicone PEG-15 / laurylpolydimethylsiloxyethyl dimethicone
  • KSG360Z manufactured by Shin-Etsu Chemical Industry Co., Ltd.
  • alkyl group-containing crosslinked polyglycerin-modified silicone examples include mineral oil (lauryldimethicone / polyglycerin 3) crosspolymer (“KSG-810”; manufactured by Shin-Etsu Chemical Co., Ltd.) and isododecane (lauryldimethicone / polyglycerin 3) cloth.
  • Polymer (“KSG-820; manufactured by Shin-Etsu Chemical Co., Ltd.”), trioctanoin (lauryldimethicone / polyglycerin 3) cross-polymer (“KSG-830"; manufactured by Shin-Etsu Chemical Co., Ltd.), squalane (lauryldimethicone / poly).
  • Glycerin 3) Crosspolymer (“KSG-840”; manufactured by Shin-Etsu Chemical Co., Ltd.) and the like can be mentioned.
  • the blending amount of the silicone elastomer is preferably 0.1 to 10% by mass, more preferably 1 to 8% by mass, and further preferably 2 to 7% by mass with respect to the total amount of the composition.
  • the blending amount is 0.1% by mass or more, the effect of reducing the stickiness and squeak of the skin after application and the effect of softening the skin can be obtained, and when it is 10% by mass or less, the stability of the composition is improved. It can be secured more.
  • the mass ratio ((B) component / (A) component) of the (B) silicone elastomer to (A) dimethicodiethylbenzalmalonate is preferably 0.1 to 2, more preferably 0.12 to 1. It is preferably .95, more preferably 0.15 to 1.8.
  • the mass ratio (B) / (A) is 0.1 or more, the usability becomes smoother without stickiness, and when it is 2 or less, the absorbance can be further improved.
  • (C) Surfactant of HLB8 or less having a hydrocarbon group having 4 or more carbon atoms in the dimethicone main chain
  • Preferred examples of the surfactant having an HLB of 8 or less include an alkyl group-containing polyether-modified silicone, an alkyl group-containing polyglycerin-modified silicone, and the like.
  • the mechanism of action in which the absorbance is dramatically improved by blending the component (C) is not always clear, but it is considered to be related to the improvement in the dispersion of the silicone elastomer (B).
  • alkyl group-containing polyether-modified silicone examples include lauryl PEG-9 polydimethylsiloxyethyl dimethicone: silicone SC0928SL (manufactured by Shin-Etsu Chemical Co., Ltd.), cetyl PEG / PPG-10 / 1 dimethicone: ABIL EM180 (manufactured by Goldschmidt), and the like. Can be mentioned.
  • alkyl group-containing polyglycerin-modified silicone examples include laurylpolyglyceryl-3 polydimethylsiloxyethyl dimethicone (“KF-6105”; manufactured by Shin-Etsu Chemical Co., Ltd.) and bisbutyldimethicone polyglyceryl-3 (silicone KF-6109 (Shin-Etsu Chemical) as a commercial product). (Made by Kogyo Co., Ltd.))) and the like.
  • the blending amount of the component (C) is preferably 0.01 to 1% by mass, more preferably 0.03 to 0.9% by mass, and further preferably 0.05 to 0.8% by mass with respect to the total amount of the composition. % Is preferable.
  • the blending amount is 0.01% by mass or more, the absorbance can be further improved, and when it is 1% by mass or less, the stickiness can be further reduced.
  • the mass ratio of the (B) silicone elastomer to the component (C) is preferably 0.5 to 10, more preferably 0.55 to 9, and further 0.6. It is preferably ⁇ 8.
  • the mass ratio (B) / (C) is 0.5 or more, the stickiness can be further reduced, and when it is 10 or less, the absorbance can be further improved.
  • the oil-in-water emulsified composition of the present invention preferably contains (D) an oil-soluble UV absorber other than (A) dimethicodiethylbenzalmalonate.
  • the oil-soluble ultraviolet absorber is not particularly limited as long as it is conventionally used in cosmetics. For example, methoxycinnamic acid derivative, salicylic acid derivative, benzoyl derivative, camphor derivative, paraaminobenzoic acid derivative, triazine derivative, ⁇ , ⁇ -diphenylacrylate derivative and benzophenone derivative can be mentioned.
  • the oil-soluble ultraviolet absorber may be blended in one kind or a combination of two or more kinds, if necessary.
  • methoxycinnamic acid derivative examples include octylmethoxycinnamate or ethylhexyl methoxycinnamate (eg, "Pulsole MCX”; Hoffman-La Roche), isopropyl methoxycinnamate, and isoamyl methoxycinnamate (eg, "Neo Heliopan E1000”; Herman).
  • cinnoxate, DEA methoxycinnamate, diisopropylmethylsilicate, glyceryl-ethylhexanoate-dimethoxycinnamate, di- (2-ethylhexyl) -4'-methoxybenzalmaronate, etc. are exemplified. ..
  • salicylic acid derivative examples include homosalate (“Eusolex HMS”; Lona / EM Industries), ethylhexyl salicylate (octyl salicylate, for example, “NeoHeliopan OS”; Herman and Reimer), Examples thereof include dipropylene glycol salicylate (eg, "Dipsal”; Skele), TEA salicylate (eg, "Neo Heliopan TS”; Herman and Reimer).
  • homosalate (“Eusolex HMS”; Lona / EM Industries)
  • ethylhexyl salicylate octyl salicylate, for example, “NeoHeliopan OS”; Herman and Reimer
  • dipropylene glycol salicylate eg, "Dipsal”; Skele
  • TEA salicylate eg, "Neo Heliopan TS”; Herman and Reimer
  • benzoyl derivative examples include 4-tert-butyl-4'-methoxydibenzoylmethane (for example, "Pulsole 1789”).
  • camphor derivative examples include terephthalylidene-3,3'-dikanfur-10,10'-disulfonate, 4-methylbenzylidenecamphor and the like.
  • para-aminobenzoic acid derivative examples include para-aminobenzoic acid (PABA) ethyl, ethyl-dihydroxypropyl PABA, ethylhexyl-dimethyl PABA (for example, "Escalol 507"; ISP), glyceryl PABA, and PEG-25-PABA (for example, "" Ubinal P25 ”; BASF), hexyl diethylaminohydroxybenzoylbenzoate (eg,“ Ubinal A Plus ”) and the like are exemplified.
  • PABA para-aminobenzoic acid
  • triazine derivative examples include bisethylhexyloxyphenol methoxyphenyltriazine (for example, “Tinosorb S”; Ciba Specialty Chemicals), ethylhexyltriazone (for example, “Ubinal T150”; BASF), and dietihexylbutamide.
  • Triazone eg, "Uvasorb HEB”; Sigma 3V
  • 2,4,6-tris diisobutyl-4'-aminobenzalmaronate
  • -s-triazine 2,4,6-tris [ 4- (2-Ethylhexyloxycarbonyl) anilino] -1,3,5-triazine and the like are exemplified.
  • ⁇ , ⁇ -diphenylacrylate derivative examples include octocrylene (for example, “Ubinal N539T”; BASF).
  • benzophenone derivative examples include benzophenone-1 (eg, "Ubinal 400"; BASF), benzophenone-2 (eg, “Ubinal D50”; BASF), benzophenone-3 or oxybenzone (eg, "Ubinal M40"; BASF), benzophenone.
  • the blending amount of the (D) oil-soluble ultraviolet absorber is preferably 8% by mass or more, more preferably 9 to 20% by mass, and further preferably 10 to 18% by mass with respect to the total amount of the composition. It is preferable to have.
  • the blending amount of the oil-soluble ultraviolet absorber is 8% by mass or more with respect to the total amount of the composition, so that the ultraviolet protection ability can be further enhanced.
  • the oil-in-water emulsified composition of the present invention can contain other optional ingredients that can be blended in ordinary cosmetics and quasi-drugs as long as the effects of the present invention are not impaired.
  • Other optional components include, but are not limited to, oils such as liquid fats and oils, solid fats and oils, waxes, hydrocarbon oils, higher fatty acids, synthetic ester oils, and silicone oils, powder components, coloring agents, and moisturizers. , Aqueous thickeners, dispersants, preservatives, fragrances, various chemicals and the like.
  • Liquid fats and oils include, for example, avocado oil, camellia oil, macadamia nut oil, corn oil, olive oil, rapeseed oil, sesame oil, persic oil, wheat germ oil, southern ka oil, sunflower oil, flaxseed oil, safflower oil, cottonseed oil, and eno oil. , Soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, cinnamon oil, Japanese millet oil, jojoba oil, germ oil, triglycerin and the like.
  • solid fats and oils examples include coconut oil, palm oil, hardened palm oil, palm oil, palm kernel oil, mokuro kernel oil, hydrogenated oil, mokuro, and hardened castor oil.
  • waxes examples include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, ibota wax, montan wax, nukarou, capoc wax, sugar cane wax, hexyl laurate, jojoba wax, cellac wax, POE cholesterol ether and the like.
  • hydrocarbon oil examples include liquid paraffin, zokerite, squalane, pristan, paraffin, selecin, squalene, petrolatum, microcrystalline wax, hydrogenated polydecene and the like.
  • higher fatty acids examples include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, tortic acid, isostearic acid, linoleic acid, linoleic acid, eicosapentaenoic acid (EPA), and docosahexaenoic acid ( DHA) and the like.
  • Synthetic ester oils include isopropyl myristate, cetyl octanate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyldecyl dimethyloctanoate, cetyl lactate, myristyl lactate.
  • silicone oil examples include chain polysiloxane (eg, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, etc.); cyclic polysiloxane (eg, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexane).
  • chain polysiloxane eg, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, etc.
  • cyclic polysiloxane eg, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexane.
  • Silicone resin Silicone resin, silicone rubber, various modified polysiloxanes (amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.) forming a three-dimensional network structure, etc. Be done.
  • various modified polysiloxanes amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.
  • the powder component examples include ultraviolet scattering agents such as zinc oxide and titanium oxide, extender pigments such as talc, mica and kaolin, and polymer powders such as polyethylene powder, polymethyl methacrylate powder and nylon powder.
  • ultraviolet scattering agents such as zinc oxide and titanium oxide
  • extender pigments such as talc, mica and kaolin
  • polymer powders such as polyethylene powder, polymethyl methacrylate powder and nylon powder.
  • moisturizer examples include polyhydric alcohols such as glycerin, 1,3-butylene glycol, dipropylene glycol and propylene glycol, and water-soluble polymers such as trehalose, hyaluronic acid and chondroitin sulfate.
  • polyhydric alcohols such as glycerin, 1,3-butylene glycol, dipropylene glycol and propylene glycol
  • water-soluble polymers such as trehalose, hyaluronic acid and chondroitin sulfate.
  • aqueous thickener examples include succinoglycan, (dimethylacrylamide / acryloyldimethyltaurine Na) crosspolymer, cellulose gum, carboxyvinyl polymer, xanthan gum, (hydroxyethyl acrylate / acryloyldimethyltaurine Na) copolymer and the like. ..
  • the oil-in-water emulsification composition of the present invention is, for example, an oil-in-water emulsification in which a component constituting the oil phase and a component constituting the aqueous phase are separately mixed and the oil phase is added to the aqueous phase for emulsification. It can be produced according to a conventional method of composition (cosmetics).
  • the oil-in-water emulsified composition of the present invention can be provided as cosmetics in various dosage forms such as liquid, milky, creamy, gelled, and bavarois. Further, the oil-in-water emulsified composition of the present invention can be provided as a skin care cosmetic, a sunscreen cosmetic, a cosmetic containing a coloring agent, a foundation, a makeup base, and a BB cream.
  • Example 1 An oil-in-water emulsified composition was prepared according to the formulation shown in Table 1 below, and the prepared composition was evaluated according to the following criteria.
  • the oil-in-water emulsified composition of the example had a high peak top value and integrated value of absorbance even when the silicone elastomer was blended.
  • Comparative Example 1 containing no component (C) and Comparative Examples 2 and 3 not containing dimethicodiethylbenzalmalonate the peak top value and the integrated value of the absorbance were significantly lowered.
  • Comparative Example 3 even if the amount of octocrylene, which is most used as being useful for sun care cosmetics, was increased, the peak top value and the integrated value of Examples were not reached.

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Abstract

Selon l'invention, une composition d'émulsion de type huile dans l'eau permet d'améliorer l'absorbance, y compris en cas de mélange d'un élastomère de silicone. Plus précisément, cette composition d'émulsion de type huile dans l'eau contient (A) un dimethicodiéthyle benzal malonate, (B) un élastomère de silicone, et (C) un tensio-actif de HLB inférieure ou égale à 8 possédant un groupe hydrocarbure d'au moins 4 atomes de carbone au niveau de la chaîne principale d'une diméthicone.
PCT/JP2021/032951 2020-09-09 2021-09-08 Composition d'émulsion de type huile dans l'eau WO2022054820A1 (fr)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2010047538A (ja) * 2008-08-22 2010-03-04 Shiseido Co Ltd 日焼け止め化粧料
JP2015510897A (ja) * 2012-03-19 2015-04-13 ザ プロクター アンド ギャンブルカンパニー スキンケア組成物において使用するための超吸収性ポリマー及びシリコーンエラストマー
JP2016523983A (ja) * 2013-07-22 2016-08-12 ザ プロクター アンド ギャンブル カンパニー 安定かつ高塩濃度含有スキンケア組成物
JP2018168134A (ja) * 2017-03-30 2018-11-01 株式会社コーセー 水中油型化粧料

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010047538A (ja) * 2008-08-22 2010-03-04 Shiseido Co Ltd 日焼け止め化粧料
JP2015510897A (ja) * 2012-03-19 2015-04-13 ザ プロクター アンド ギャンブルカンパニー スキンケア組成物において使用するための超吸収性ポリマー及びシリコーンエラストマー
JP2016523983A (ja) * 2013-07-22 2016-08-12 ザ プロクター アンド ギャンブル カンパニー 安定かつ高塩濃度含有スキンケア組成物
JP2018168134A (ja) * 2017-03-30 2018-11-01 株式会社コーセー 水中油型化粧料

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