WO2016002752A1 - 水性化粧料 - Google Patents
水性化粧料 Download PDFInfo
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- WO2016002752A1 WO2016002752A1 PCT/JP2015/068776 JP2015068776W WO2016002752A1 WO 2016002752 A1 WO2016002752 A1 WO 2016002752A1 JP 2015068776 W JP2015068776 W JP 2015068776W WO 2016002752 A1 WO2016002752 A1 WO 2016002752A1
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- powder
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- hydrophobic
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- cosmetic
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- A61K8/022—Powders; Compacted Powders
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Definitions
- the present invention relates to a water-based cosmetic. More specifically, it is an aqueous cosmetic in which hydrophobic powder is directly dispersed in the aqueous phase of the aqueous cosmetic, and maintains excellent freshness and water resistance inherent to the hydrophobic powder while maintaining the original use feeling of the aqueous cosmetic.
- the present invention relates to a water-based cosmetic material having a long-lasting makeup.
- Oil-in-water emulsified compositions are widely used as a base for external preparations for skin, such as skin cosmetics, which are applied directly to the skin because they provide a refreshing and fresh feel when applied to the skin.
- skin cosmetics which are applied directly to the skin because they provide a refreshing and fresh feel when applied to the skin.
- skin protection from ultraviolet rays is routinely performed, and in such UV care cosmetics, the importance of those based on an oil-in-water emulsion composition has increased. ing.
- metal oxide powders are known to have a function as an ultraviolet scattering agent that protects the skin from ultraviolet rays. It has a function of concealing buckwheat and the like, and has been widely blended in various cosmetics.
- metal oxides whose surfaces have been subjected to a hydrophobization treatment have been used for the purpose of improving creaking, water resistance, makeup retention, dispersibility, and the like.
- hydrophobized metal oxide powders such as hydrophobic fine particle titanium oxide and hydrophobic fine particle zinc oxide into an oil-in-water emulsion composition
- special treatments such as low HLB dispersants and wet bead mills with strong grinding energy It is common to disperse in a volatile oil using a suitable dispersing equipment and to emulsify it.
- Patent Document 1 discloses that a specific compound (octyltriethoxysilane or dimethylpolysiloxane) is used for hydrophobizing zinc oxide in order to stably disperse the hydrophobized zinc oxide without using a special dispersing device. ) And a sunscreen oil-in-water emulsified cosmetic in which this is dispersed in a specific oil (liquid higher fatty acid) with a specific dispersant (carboxyl group-containing silicone or sugar ester).
- a specific oil liquid higher fatty acid
- a specific dispersant carboxyl group-containing silicone or sugar ester
- the powder particles are hydrophobic powder. It is described that particles are used, and further, a specific polyether-modified silicone is blended in an oil phase to prevent ion elution.
- the polyether-modified silicone acts as a gelling agent for gelling the oil phase containing silicone oil and hydrophobic powder particles, and prevents ion elution from the hydrophobic powder particles in the oil phase. This stabilizes the thickening due to the ionic polymer in the aqueous phase.
- Patent Documents 3 to 5 attempts have been made to stabilize an oil-in-water emulsion composition using polyether-modified silicone.
- Patent Document 3 a combination of a polyether-modified silicone, a predetermined amount of an extender pigment, and an ultraviolet absorber having an absorption ability in the UV-A region has no stickiness, a fresh feeling of use, and is stable.
- an HLB (Si) 5-10 polyether-modified silicone is used as a surfactant, and a predetermined amount of ethanol, a hydrophilic thickener, and a polyol are blended to form an oil-in-water emulsion.
- Patent Document 5 the ultraviolet protection effect is improved by blending an aqueous dispersion of an oil-soluble ultraviolet absorber in an aqueous phase in a stable system similar to Patent Document 4, as compared with the case where the ultraviolet absorber is blended in an oil phase. It is described.
- Patent Documents 3 to 5 teaches a method for highly blending a hydrophobized metal oxide.
- Patent Document 3 shows that when talc subjected to a hydrophobization treatment is blended, the emulsion stability is worse than when talc not subjected to a hydrophobization treatment is blended (Comparative Example). 4)
- Patent Document 5 describes that the useability is reduced when fine particle titanium oxide is blended (Comparative Example 2).
- JP 2012-111726 A International Publication No. 2004/006871 JP 2012-162515 A JP 2010-254673 A JP 2011-236202 A
- the present invention has been made in view of the drawbacks of the prior art, and without sacrificing the fresh feeling of use that water-based cosmetics originally have, the excellent smoothness, water resistance,
- An object is to provide a water-based cosmetic having a long-lasting makeup.
- the present inventors have formulated a polyether-modified silicone having a specific HLB (Si), a hydrophilic thickener, a polyol and / or ethyl alcohol.
- the hydrophobic powder usually blended in the oil phase can be uniformly and stably dispersed in the water phase, thereby maintaining excellent freshness and water resistance while maintaining fresh usage.
- the present inventors have found that a long lasting makeup can be realized, and have completed the present invention.
- the present invention (A) 0.1 to 5% by mass of a polyether-modified silicone having 5 to 14 HLB (Si), (B) one or more hydrophilic thickeners, (C) polyol and / or ethyl alcohol, (D) containing one or more hydrophobic powders selected from metal oxides, hydrophobic organic powders, and silicone powders that have been hydrophobized other than metal soaps; (D)
- the gist of the aqueous cosmetic is characterized in that hydrophobic powder is dispersed in an aqueous phase.
- a polyether-modified silicone having an HLB (Si) of 5 to 14 is used in combination with (B) a hydrophilic thickener and (C) a polyol and / or ethyl alcohol.
- the hydrophobic powder can be dispersed uniformly and stably in the aqueous phase of the aqueous cosmetic. Therefore, (D) it is not necessary to blend a large amount of volatile oil or silicone oil that has been conventionally blended in order to disperse the hydrophobic powder, and fresh usability can be realized. Further, by blending the hydrophobic powder into the water phase instead of the oil phase, it is possible to realize a smooth feeling of use, excellent water resistance, and long lasting makeup.
- the aqueous cosmetic composition of the present invention comprises (A) a polyether-modified silicone having 5 to 14 HLB (Si), (B) a hydrophilic thickener, (C) a polyol and / or ethyl alcohol, (D) It contains a specific hydrophobic powder as an essential component.
- a polyether-modified silicone having 5 to 14 HLB (Si) a polyether-modified silicone having 5 to 14 HLB (Si)
- B a hydrophilic thickener
- C a polyol and / or ethyl alcohol
- D It contains a specific hydrophobic powder as an essential component.
- the aqueous cosmetic refers to a cosmetic in which water accounts for 50% by mass or more of the entire cosmetic, and (1) a cosmetic whose base is composed solely of an aqueous component (substantially an aqueous component and A cosmetic composition comprising a powder component) and (2) an oil-in-water emulsified cosmetic composition comprising an aqueous component as an outer phase. That is, “the powder is dispersed in the aqueous phase” means that the powder is dispersed in the entire cosmetic in the aspect (1), and is dispersed in the outer phase (aqueous phase) in the aspect (2). Means that.
- the (A) polyether-modified silicone in the aqueous cosmetic composition of the present invention is a silicone derivative having a polyoxyalkylene group selected from polyoxyethylene (POE) and polyoxypropylene (POP).
- a polyether-modified silicone represented by the following general formula is preferable.
- m is 1 to 1000, preferably 5 to 500, and n is 1 to 40.
- m: n is preferably 200: 1 to 1: 1.
- A is 5 to 50
- b is 0 to 50.
- the molecular weight of the polyether-modified silicone is not particularly limited, but is preferably in the range of 3000 to 60000, particularly preferably 3000 to 40000. By using a low molecular weight polyether-modified silicone, particularly excellent usability can be realized.
- the polyether-modified silicone used in the present invention is selected from those having an HLB (Si) of 5 to 14, preferably 7 to 14.
- HLB (Si) is a value determined by the following calculation formula.
- polyether-modified silicone one or more selected from those conventionally used in cosmetics and the like can be used. Specific examples include PEG / PPG-19 / 19 dimethicone, PEG / PPG-30 / 10 dimethicone, PEG-12 dimethicone, PEG-11 methyl ether dimethicone, and the like.
- BY11-030 manufactured by Dow Corning Toray: PEG / PPG-19 / 19 dimethicone, HLB (Si)
- the blending amount of the polyether-modified silicone is 0.1% by mass or more, 0.2% by mass or more, 0.3% by mass or more, 0.4% by mass or more with respect to the total amount of the aqueous cosmetic of the present invention. Or 0.5% by mass or more, and preferably 5% by mass or less, 4% by mass or less, or 3% by mass or less.
- a specific blending amount range is 0.1 to 5% by mass, preferably 0.5 to 5% by mass, and more preferably 0.5 to 3% by mass.
- the (B) hydrophilic thickener in the aqueous cosmetic of the present invention is not particularly limited as long as it is usually used in cosmetics. Examples thereof include natural or semi-synthetic water-soluble polymers, synthetic water-soluble polymers, and inorganic water-soluble polymers.
- polysaccharides and derivatives thereof are preferably used as natural or semi-synthetic water-soluble polymers.
- specific examples include gum arabic, gum tragacanth, galactan, guar gum, carob gum, caraya gum, carrageenan, pectin, agar, quince seed (malmello), algae colloid (gypsum extract), starch (rice, corn, potato, wheat), glycyrrhizin
- Plant polymers such as acids; microbial polymers such as xanthan gum, dextran, succinoglycan, and bullulan; starch polymers such as carboxymethyl starch and methylhydroxypropyl starch; methylcellulose, nitrocellulose, ethylcellulose, and methylhydroxypropyl Cellulose, hydroxyethyl cellulose, cellulose sodium sulfate, hydroxypropyl cellulose, sodium carboxymethyl cellulose (CMC), Crystal
- Synthetic water-soluble polymers include ionic or nonionic water-soluble polymers, for example, vinyl polymers such as polyvinyl alcohol, polyvinyl methyl ether, polyvinyl pyrrolidone, carboxyvinyl polymer (carbomer); polyethylene glycol (molecular weight 1500, 4000, 6000), etc .; polyoxyethylene polyoxypropylene copolymer copolymer polymer; sodium polyacrylate, polyethyl acrylate, polyacrylamide compound, acrylic acid / alkyl methacrylate copolymer Acrylic polymers such as (trade name “Pemulene TR-1”); polyethyleneimine, cationic polymer, and the like.
- vinyl polymers such as polyvinyl alcohol, polyvinyl methyl ether, polyvinyl pyrrolidone, carboxyvinyl polymer (carbomer); polyethylene glycol (molecular weight 1500, 4000, 6000), etc .
- the polyacrylamide compound includes, in particular, one or more selected from 2-acrylamido-2-methylpropanesulfonic acid (hereinafter sometimes abbreviated as “AMPS”), acrylic acid and derivatives thereof as structural units.
- AMPS 2-acrylamido-2-methylpropanesulfonic acid
- the polyacrylamide compound which consists of a homopolymer, a copolymer, or a cross polymer is included.
- Specific examples of such polyacrylamide compounds include vinylpyrrolidone / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer, dimethylacrylamide / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer.
- Polymer acrylamide / 2-acrylamido-2-methylpropanesulfonic acid copolymer, dimethylacrylamide / 2-acrylamido-2-methylpropanesulfonic acid cross-polymer cross-linked with methylenebisacrylamide, polyacrylamide and sodium polyacrylate , Sodium acrylate / 2-acrylamido-2-methylpropanesulfonic acid copolymer, hydroxyethyl acrylate / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer, polyacrylic acid Ammonium Le acid, polyacrylamide / ammonium acrylate copolymer, acrylamide / sodium acrylate copolymer and the like. However, it is not limited to these examples.
- Examples of the salt in the previous paragraph include alkali metal salts (for example, calcium salt, magnesium salt, etc.), ammonium salts, organic amine salts (for example, monoethanolamine salt, diethanolamine salt, triethanolamine salt, triethanolamine salt, etc.) And the like.
- alkali metal salts for example, calcium salt, magnesium salt, etc.
- ammonium salts for example, organic amine salts (for example, monoethanolamine salt, diethanolamine salt, triethanolamine salt, triethanolamine salt, etc.) And the like.
- organic amine salts for example, monoethanolamine salt, diethanolamine salt, triethanolamine salt, triethanolamine salt, etc.
- One or two or more of these polyacrylamide compounds can be used.
- polyacrylamide compounds may be synthesized or commercially available.
- vinylpyrrolidone / 2-acrylamido-2-methylpropanesulfonic acid (salt) copolymer “ARITOFLEX AVC” (manufactured by Clariant), sodium acrylate / 2-acrylamido-2-methylpropanesulfonic acid (salt) )
- As the copolymer “SIMULGEL EG” (manufactured by SEPIC), “SIMULGEL EPG” (manufactured by SEPIC), and as the acrylamide / 2-acrylamido-2-methylpropanesulfonic acid sodium salt copolymer, “SIMULGEL 600 (SEPIC), and acrylamide / 2-acrylamido-2-methylpropanesulfonic acid (salt) includes “SEPIGL 305” (SEPIC), “SEPICEL 501” (SEPIC), 2-acrylic Examples of homopolymers of ruamido-2
- a cross polymer of dimethylacrylamide and acryloyldimethyltaurine salt is particularly preferably used, and specifically, (dimethylacrylamide / acryloyldimethyltaurine Na) crosspolymer can be mentioned.
- inorganic water-soluble polymer examples include bentonite, AlMg silicate (trade name “Bee gum”), laponite, hectorite, silicic anhydride and the like.
- hydrophilic thickener of the present invention one or more kinds can be blended.
- the blending amount of the (B) hydrophilic thickener in the aqueous cosmetic of the present invention is 0.01% by mass or more, 0.03% by mass or more, 0.05% by mass or more, and 0.0. It is 08 mass% or more, or 0.1 mass% or more, and it is preferable to set it as 3 mass% or less, 2.5 mass% or less, 2 mass% or less, or 1 mass% or less.
- a specific blending amount range is 0.01 to 3% by mass, preferably 0.05 to 2% by mass, and more preferably 0.1 to 1% by mass.
- the blending amount is less than 0.01% by mass, a stable composition in which the hydrophobic powder is uniformly dispersed may not be obtained.
- the blending amount exceeds 3% by mass a heavy touch may be caused during application. .
- the aqueous cosmetic of the present invention further contains (C) a polyol and / or ethyl alcohol as an essential component.
- the polyol used in the present invention is not particularly limited as long as it is usually used in cosmetics, and examples thereof include glycerin, 1,3-butylene glycol, dipropylene glycol, and propylene glycol.
- the blending amount of (C) polyol and / or ethyl alcohol in the aqueous cosmetic composition of the present invention is at least 1/2 or more of the blending amount of (D) hydrophobic powder, preferably 1 or more times, 1.5 or more times. It is 2 times or more, 2.5 times or more, or 3 times or more.
- D Considering the blending amount range of the hydrophobic powder, the total amount of the aqueous cosmetic is 0.25% by mass, 0.5% by mass, 1% by mass, 1.25% by mass, 1.5 It is at least mass%. If the amount is too small, a stable cosmetic may not be obtained.
- the upper limit of the amount is 40% by mass or less and 30% by mass or less with respect to the total amount of the aqueous cosmetic of the present invention. Or 20% by mass or less.
- the blending amount range may be 0.25 to 40% by mass, 1 to 30% by mass, 1.5 to 20% by mass, or the like.
- the hydrophobic powder (D) to be blended in the aqueous cosmetic composition of the present invention is selected from (D1) metal oxide hydrophobized other than metal soap, (D2) hydrophobic organic powder, and (D3) silicone powder. 1 type or 2 types or more.
- a metal oxide hydrophobized other than metal soap (hereinafter also simply referred to as “hydrophobized metal oxide”) has metal oxide powder particles as a base material, and the surface is subjected to a hydrophobizing treatment. Powder particles.
- the base material for the hydrophobized metal oxide include titanium oxide, iron oxide, magnesium oxide, zinc oxide, calcium oxide, and aluminum oxide.
- composite powder particles comprising a plurality of base materials can also be used.
- the hydrophobizing treatment applied to these base powder particles various surface treatments that can be used as the surface treatment of the powder blended in cosmetics, such as fluorine compound treatment, silicone treatment, silane coupling, etc.
- Agent treatment titanium coupling agent treatment, oil agent treatment, N-acylated lysine treatment, polyacrylic acid treatment, amino acid treatment, inorganic compound treatment, plasma treatment, mechanochemical treatment, silane compound or silazane compound can be used.
- a hydrophobic treatment is performed with a metal soap such as aluminum stearate, the desired dispersibility may not be obtained. Therefore, the (D1) hydrophobized metal oxide in the present invention means “metal oxide hydrophobized other than metal soap”.
- the hydrophobizing treatment of the metal oxide powder in the present invention is a silicone treatment or a fatty acid dextrin treatment.
- the silicone treatment include silicone oils such as methylhydrogenpolysiloxane, dimethylpolysiloxane (dimethicone), and methylphenylpolysiloxane; alkylsilanes such as methyltriethoxysilane, ethyltriethoxysilane, hexyltriethoxysilane, and octyltriethoxysilane;
- the treatment include fluoroalkylsilanes such as trifluoromethylethyltrimethoxysilane and heptadecafluorodecyltrimethoxysilane.
- Examples of the fatty acid dextrin treatment include treatment with dextrin palmitate. These hydrophobizing treatments can be performed according to a conventional method, and the hydrophobizing agents may be used alone or in combination of two or more.
- the (D1) hydrophobized metal oxide used in the present invention may be commercially available, for example, FINEX-50W-LP2, STR-100C-LP (manufactured by Sakai Chemical Industry Co., Ltd.), MPY-1133M, MZX -304OTS, MTY-110M3S (manufactured by Teika Co., Ltd.) and the like.
- the hydrophobic organic powder includes polyamide resin powder (nylon powder), polyethylene powder, polyester powder, polyurethane powder, polymethyl methacrylate powder, polystyrene powder, copolymer resin powder of styrene and acrylic acid, and benzoguanamine resin. Powder, polytetrafluoroethylene powder, hydrophobized cellulose powder, starch powder, and the like can also be used. Among these, those selected from the group consisting of polymethyl methacrylate powder, nylon powder, polyurethane powder, polyethylene powder, and polystyrene powder are preferable.
- hydrophobic organic powders examples include Matsumoto Microsphere M-330 (manufactured by Matsumoto Yushi Seiyaku Co., Ltd.), Plastic Powder D-400, Plastic Powder D-800 (manufactured by Toho Pigment Co., Ltd.) Etc.
- silicone powder examples include silicone resin powders such as dimethicone / vinyl dimethicone cross polymer, dimethicone / phenyl dimethicone cross polymer, polyorgano silsesquioxane, vinyl dimethicone / methicone silsesquioxane cross polymer.
- silicone resin powders such as dimethicone / vinyl dimethicone cross polymer, dimethicone / phenyl dimethicone cross polymer, polyorgano silsesquioxane, vinyl dimethicone / methicone silsesquioxane cross polymer.
- Commercially available products include Tospearl 2000B (manufactured by Momentive Performance Materials), Trefill E-506 (manufactured by Toray Dow Corning), KSP-101 (manufactured by Shin-Etsu Chemical Co., Ltd.), and the like.
- the shape and size of the hydrophobic powder (D) in the present invention are not particularly limited, and may be, for example, a spherical shape, a plate shape, a petal shape, a flake shape, a rod shape, a spindle shape, a needle shape, an indefinite shape, or the like. Is possible.
- the hydrophobic powder preferably has an average particle size of about 2 nm to 5 ⁇ m in terms of spherical particles. When the spherical powder shape is used, the usability is excellent, and at the same time, a wrinkle concealing effect utilizing light reflection and a rough skin improving effect can be imparted.
- the blending amount of the hydrophobic powder (D) in the aqueous cosmetic of the present invention is 0.5% by mass or more, 1% by mass or more, 2% by mass or more, 3% by mass or more, and 4% by mass with respect to the total amount of the cosmetic. Or more, 5 mass% or more, 35 mass% or less, 30 mass% or less, 25 mass% or less, or 20 mass% or less.
- a specific blending amount range is 0.5 to 35% by mass, preferably 3 to 25% by mass, and more preferably 5 to 20% by mass. If the blending amount is less than 0.5% by mass, the effect due to the inclusion of the powder is not sufficiently exhibited. If the blending amount exceeds 30% by mass, problems such as squeakiness, kinking, and stickiness are caused. Tend.
- the aqueous cosmetic of the present invention can contain, in addition to the above components, other optional components that can be blended in the aqueous cosmetic within a range that does not impair the effects of the present invention.
- Other optional components include, but are not limited to, for example, thickeners other than those described above, humectants, oil agents, ultraviolet absorbers, pH adjusters, neutralizers, antioxidants, preservatives, chelating agents, emollients, A plant extract, a fragrance
- the aqueous cosmetic of the present invention is (A) polyether-modified silicone, (C) polyol and / or ethyl alcohol, (D) hydrophobic
- the powder can be mixed by stirring to prepare a powder part, which can be prepared by adding it to the aqueous phase part (base) containing (B) a hydrophilic thickener.
- a powder part which can be prepared by adding it to the aqueous phase part (base) containing (B) a hydrophilic thickener.
- B an aqueous phase part containing a hydrophilic thickener and an oil phase part are prepared, and the oil phase part is an aqueous phase.
- the oil-in-water emulsion composition (base) is prepared by emulsifying in addition to the part, while (A) polyether-modified silicone, (C) polyol and / or ethyl alcohol, and (D) hydrophobic powder are stirred. It can prepare by mixing and preparing a powder part, and mixing this with the said emulsion (base).
- the aqueous cosmetic composition of the present invention can stably disperse the hydrophobic powder (D) in the aqueous phase, the excellent smoothness of the hydrophobic powder (D) while maintaining the freshness inherent in the aqueous cosmetic composition.
- water resistance and longevity can be imparted.
- a hydrophobic powder having a wrinkle concealing effect or a rough skin improving effect is blended, a skin quality improving effect can also be expected.
- a powder (ultraviolet scattering agent) having an ultraviolet protection ability such as hydrophobic fine particle titanium oxide or hydrophobic fine particle zinc oxide is used as the hydrophobic powder, a highly usable sunscreen cosmetic is obtained. can get.
- an aqueous cosmetic in the form of an oil-in-water emulsion when an ultraviolet scattering agent is blended as a hydrophobic powder and an ultraviolet absorber is blended in the oil phase, the ultraviolet absorbing agent and the ultraviolet scattering agent work together.
- the UV protection effect is synergistically improved.
- the blending amount of the oil phase component including the ultraviolet absorber is 20% by mass or less, 15% by mass or less, 10% by mass or less, 8% by mass or less, 5% by mass or less, or 3% by mass. % Or less is preferable.
- the ultraviolet scattering agent is uniformly dispersed in the aqueous phase, sufficient ultraviolet protective ability can be obtained even with a small amount of the oil-soluble ultraviolet scattering agent.
- Examples 5 to 13 and Comparative Example 4 Aqueous cosmetics having the compositions listed in Tables 2 and 3 below were prepared in the same manner as in Example 1 above, and the dispersion stability of each cosmetic was evaluated according to the above criteria. The results are also shown in Table 2 and Table 3.
- the hydrophobic powder made of the metal oxide subjected to the surface hydrophobization treatment other than the metal soap was well dispersed in the aqueous phase in the system of the present invention.
- a metal-treated metal oxide powder was used, excellent dispersibility was exhibited.
- those treated with metal soap aluminum stearate
- Examples 8 to 13 when the hydrophobic organic powder and the silicone powder were used, both could be uniformly dispersed.
- Example 14 and Comparative Example 5 The water phase part and the oil phase part listed in Table 4 below were each heated to 70 ° C. and completely dissolved.
- the oil phase part was added to the water phase part and emulsified with an emulsifier and cooled.
- the powder part was mixed with the aqueous phase before emulsification, but in Example 14, the powder part mixed with stirring was mixed with the oil-in-water emulsion composition after cooling.
- the obtained composition was used as a makeup base, and freshness, smoothness, lightness of lightness and makeup feeling were evaluated by 10 professional evaluation panels according to the following criteria.
- ⁇ Evaluation criteria> A: 8-10 panelists answered that they were excellent.
- B 5 to 7 panelists answered that they were excellent.
- C Four or fewer panels replied that they were excellent.
- the cosmetic base according to the present invention in which the metal oxide or silicone powder treated with silicone is dispersed in the aqueous phase is unique to the hydrophobic powder while maintaining the freshness of the oil-in-water emulsion composition.
- the smoothness, the lightness of the spread, and the makeup are excellent.
- Comparative Example 5 it was confirmed that when a hydrophilic powder was blended instead of the hydrophobic powder, the smoothness, lightness of the spread, and makeup feeling were insufficient.
- Formulation Example 1 Whitening lotion (component name) Blending amount (%) Ion exchange water Remaining glycerin 5.0 Dipropylene glycol 2.0 1,3-butylene glycol 5.0 Carboxyvinyl polymer 0.2 Xanthan gum 0.05 Tranexamic acid 2.0 4-methoxysalicylic acid potassium salt 1.0 Dipotassium glycyrrhizinate 0.1 Tocopherol acetate 0.1 PEG-11 methyl ether dimethicone * 4 1.0 Spherical polymethylsilsesquioxane powder 5.0 Triethanolamine Appropriate amount Antioxidant Appropriate amount Preservative Appropriate amount
- Formulation Example 2 Lotion (Ingredient name) Blending amount (%) Ion exchange water Remaining ethyl alcohol 5.0 Glycerin 3.0 1,3-butylene glycol 5.0 (Dimethylacrylamide / acryloyldimethyltaurine Na) Cross polymer 0.4 Succinoglycan 0.1 PEG-12 Dimethicone * 3 1.0 Octyltriethoxysilane-treated titanium oxide 4.0 Spherical polymethyl methacrylate powder 1.0 Chelating agent Appropriate amount of buffering agent Appropriate amount of antiseptic agent
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Abstract
Description
この組成物においては、ポリエーテル変性シリコーンはシリコーン油と疎水性粉末粒子を含む油相をゲル化するためのゲル化剤として作用し、油相中の疎水性粉末粒子からのイオン溶出を防ぐことによって水相中のイオン性高分子による増粘を安定化している。しかし、油相中での粉末の分散は従来の機械力によって行われているため、疎水性粉末粒子を十分に分散させるためには、分散媒として多量のシリコーン油を配合しなければならず、総油分量が増えてみずみずしい使用性を実現しにくいのは特許文献1と同様である。さらに、疎水性粉末粒子が油相中の油を吸収することで疎水性粉末特有のなめらかな使用感が損なわれる場合がある。
しかし、特許文献3~5のいずれにも、疎水化処理金属酸化物を高配合する方法については何ら教示されていない。逆に、特許文献3には、疎水化処理を施したタルクを配合した場合には疎水化処理していないタルクを配合した場合に比較して乳化安定性が悪くなることが示され(比較例4)、特許文献5では、微粒子酸化チタンを配合すると使用性が低下することが記載されている(比較例2)。
(A)0.1~5質量%のHLB(Si)が5~14のポリエーテル変性シリコーン、
(B)親水性増粘剤の1種又は2種以上、
(C)ポリオール及び/又はエチルアルコール、
(D)金属石鹸以外で疎水化処理された金属酸化物、疎水性の有機粉末、シリコーン粉末から選ばれる1種又は2種以上の疎水性粉末を含有し、
(D)疎水性粉末が水相に分散していることを特徴とする水性化粧料、を要旨とするものである。
なお、本発明において、水性化粧料とは、化粧料全体の50質量%以上を水が占める化粧料を意味し、(1)基剤が水性成分のみからなる化粧料(実質的に水性成分と粉末成分とからなる化粧料)の態様、及び、(2)水性成分を外相とする水中油型乳化化粧料の態様を含む。即ち、「粉末が水相に分散している」とは、前記(1)の態様では化粧料全体に分散していること、前記(2)の態様では外相(水相)に分散していることを意味する。
本発明の水性化粧料における(A)ポリエーテル変性シリコーンは、ポリオキシエチレン(POE)及びポリオキシプロピレン(POP)から選択されるポリオキシアルキレン基を有するシリコーン誘導体である。特に、下記一般式で表されるポリエーテル変性シリコーンが好ましい。
・商品名BY11-030(東レ・ダウコーニング社製:PEG/PPG-19/19ジメチコン、HLB(Si)=7.7)、
・商品名SH3773M(東レ・ダウコーニング社製:PEG-12ジメチコン、HLB(Si)=7.7)、
・商品名BY25-339(東レ・ダウコーニング社製:PEG/PPG-30/10ジメチコン、HLB(Si)=12.2)、
・商品名KF6011(信越化学工業株式会社製:PEG-11メチルエーテルジメチコン、HLB(Si)=12.7)
等を挙げることができる。
本発明の水性化粧料における(B)親水性増粘剤は、化粧品に通常使用されるものであれば特に限定されない。例えば、天然又は半合成の水溶性高分子、合成の水溶性高分子、無機の水溶性高分子等を挙げることができる。
このようなポリアクリルアミド化合物の具体例としては、ビニルピロリドン/2-アクリルアミド-2-メチルプロパンスルホン酸(塩)共重合体、ジメチルアクリルアミド/2-アクリルアミド-2-メチルプロパンスルホン酸(塩)共重合体、アクリルアミド/2-アクリルアミド-2-メチルプロパンスルホン酸共重合体、メチレンビスアクリルアミドでクロスリンクさせたジメチルアクリルアミド/2-アクリルアミド-2-メチルプロパンスルホン酸のクロスポリマー、ポリアクリルアミドとポリアクリル酸ナトリウムの混合物、アクリル酸ナトリウム/2-アクリルアミド-2-メチルプロパンスルホン酸共重合体、アクリル酸ヒドロキシエチル/2-アクリルアミド-2-メチルプロパンスルホン酸(塩)共重合体、ポリアクリル酸アンモニウム、ポリアクリルアミド/アクリル酸アンモニウム共重合体、アクリルアミド/アクリル酸ナトリウム共重合体等が挙げられる。ただし、これらの例示に限定されるものではない。
本発明の水性化粧料は、さらに(C)ポリオール及び/又はエチルアルコールを必須成分として含有する。
本発明で使用されるポリオールは、化粧品に通常用いられるものであれば特に限定されないが、例えば、グリセリン、1,3-ブチレングリコール、ジプロピレングリコール、プロピレングリコール等を挙げることができる。
本発明の水性化粧料に配合する(D)疎水性粉末は、(D1)金属石鹸以外で疎水化処理された金属酸化物、(D2)疎水性の有機粉末、(D3)シリコーン粉末から選択される1種又は2種以上である。
疎水化処理金属酸化物の基材としては、例えば、酸化チタン、酸化鉄、酸化マグネシウム、酸化亜鉛、酸化カルシウム、酸化アルミニウム等が挙げられる。また、複数の基材からなる複合粉末粒子も用いることができる。
シリコーン処理としては、メチルハイドロゲンポリシロキサン、ジメチルポリシロキサン(ジメチコン)、メチルフェニルポリシロキサン等のシリコーンオイル;メチルトリエトキシシラン、エチルトリエトキシシラン、ヘキシルトリエトキシシラン、オクチルトリエトキシシラン等のアルキルシラン;トリフルオロメチルエチルトリメトキシシラン、ヘプタデカフルオロデシルトリメトキシシラン等のフルオロアルキルシラン等による処理が挙げられる。
(D2)疎水性の有機粉末の市販品として、例えば、マツモトマイクロスフェアーM-330(松本油脂製薬株式会社製)、プラスティックパウダーD-400、プラスティックパウダーD-800(東色ピグメント株式会社製)等が挙げられる。
また、水性化粧料が水中油型乳化組成物の形態である場合には、(B)親水性増粘剤を含む水相部と、油相部とをそれぞれ調製し、油相部を水相部に加えて乳化して水中油型乳化組成物(基剤)を調製し、一方で、(A)ポリエーテル変性シリコーン、(C)ポリオール及び/又はエチルアルコール、(D)疎水性粉末を攪拌混合して粉末部を調製し、これを前記乳化物(基剤)に混合することによって調製することができる。
下記の表1に掲げた組成を有する水相部、粉末部をそれぞれ均一になるまで攪拌混合し、粉末部を水相部に添加することにより水性化粧料を調製した。得られた化粧料を外観観察及び光学顕微鏡(400倍)を用いて観察することにより、以下の基準に従って粉末の分散安定性を評価した。
<評価基準>
A:疎水性粉末が油分中に均一に分散していた
B:疎水性粉末が外観上は均一に分散していたが、光学顕微鏡を用いて調べると凝集した部分がわずかに観察された
C:疎水性粉末の一部の凝集が外観上で観察された
D:疎水性粉末のほとんどが凝集した
下記表2及び表3に掲げる組成を有する水性化粧料を上記実施例1と同様の方法で調製し、前記基準に従って各化粧料の分散安定性を評価した。それらの結果を表2及び表3に併せて示す。
下記表4に掲げる水相部、油相部をそれぞれ70℃に加熱して完全溶解した。油相部を水相部に加えて、乳化機で乳化し冷却した。この時、比較例5では乳化前に粉末部を水相に混合したが、実施例14では冷却後の水中油型乳化組成物に攪拌混合した粉末部を混合した。
得られた組成物を化粧下地として使用し、その際のみずみずしさ、なめらかさ、のびの軽さ、化粧もちを専門評価パネル10名により、以下の基準で評価した。
<評価基準>
A:優れていると回答したパネルが8~10名。
B:優れていると回答したパネルが5~7名。
C:優れていると回答したパネルが4名以下。
(成分名) 配合量(%)
イオン交換水 残量
グリセリン 5.0
ジプロピレングリコール 2.0
1,3-ブチレングリコール 5.0
カルボキシビニルポリマー 0.2
キサンタンガム 0.05
トラネキサム酸 2.0
4-メトキシサリチル酸カリウム塩 1.0
グリチルリチン酸ジカリウム 0.1
酢酸トコフェロール 0.1
PEG-11メチルエーテルジメチコン*4 1.0
球状ポリメチルシルセスキオキサン粉末 5.0
トリエタノールアミン 適量
酸化防止剤 適量
防腐剤 適量
(成分名) 配合量(%)
イオン交換水 残量
エチルアルコール 5.0
グリセリン 3.0
1,3-ブチレングリコール 5.0
(ジメチルアクリルアミド/アクリロイルジメチルタウリンNa)
クロスポリマー 0.4
サクシノグリカン 0.1
PEG-12ジメチコン*3 1.0
オクチルトリエトキシシラン処理酸化チタン 4.0
球状ポリメタクリル酸メチル粉末 1.0
キレート剤 適量
緩衝剤 適量
防腐剤 適量
香料 適量
(成分名) 配合量(%)
イオン交換水 残量
エチルアルコール 3.0
(アクリル酸Na/アクリロイルジメチルタウリンNa)コポリマー
0.4
カルボキシメチルセルロース 0.05
グリセリン 5.0
エリスリトール 2.0
ジプロピレングリコール 7.0
ベヘニルアルコール 1.0
バチルアルコール 0.5
スクワラン 6.0
ジメチルポリシロキサン 2.0
マカデミアナッツ脂肪酸フィトステリル 0.5
イソステアリン酸ポリオキシエチレングリセリル 1.0
モノステアリン酸ポリオキシエチレングリセリン 1.0
ヘキサメタリン酸ナトリウム 0.05
PEG-12ジメチコン*3 1.0
球状ナイロン粉末 3.0
ウレタン樹脂粉末 3.0
防腐剤 適量
香料 適量
Claims (5)
- (A)0.1~5質量%のHLB(Si)が5~14のポリエーテル変性シリコーン、
(B)親水性増粘剤の1種又は2種以上、
(C)ポリオール及び/又はエチルアルコール、
(D)金属石鹸以外で疎水化処理された金属酸化物、疎水性の有機粉末、シリコーン粉末から選ばれる1種又は2種以上の疎水性粉末を含有し、
(D)疎水性粉末が水相に分散していることを特徴とする水性化粧料。 - (B)親水性増粘剤が、多糖類及びその誘導体、及びポリアクリルアミド化合物からなる群から選択される少なくとも1種を含むことを特徴とする請求項1に記載の化粧料。
- (B)親水性増粘剤が、ポリアクリルアミド化合物を含み、さらに多糖類又はその誘導体を含む、請求項1に記載の化粧料。
- 疎水性された金属酸化物が、シリコーン処理又は脂肪酸デキストリン処理によって疎水化されていることを特徴とする請求項1から3のいずれか一項に記載の化粧料。
- 疎水性の有機粉末が、ポリメタクリル酸メチル粉末、ナイロン粉末、ポリウレタン粉末、ポリエチレン粉末、ポリスチレン粉末からなる群から選択される、請求項1から4のいずれか一項に記載の化粧料。
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CN202211102301.6A CN115444785A (zh) | 2014-06-30 | 2015-06-30 | 水性化妆品 |
CN201580021925.7A CN106232084A (zh) | 2014-06-30 | 2015-06-30 | 水性化妆品 |
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US (1) | US10300008B2 (ja) |
EP (1) | EP3162355A4 (ja) |
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CN108697625A (zh) * | 2016-02-29 | 2018-10-23 | 株式会社资生堂 | 水性化妆品组合物 |
JP2020128344A (ja) * | 2019-02-07 | 2020-08-27 | 株式会社コーセー | 水中油型乳化化粧料 |
WO2021020135A1 (ja) | 2019-07-31 | 2021-02-04 | 三好化成株式会社 | 化粧料の製造方法、及び化粧料 |
WO2022224672A1 (ja) * | 2021-04-21 | 2022-10-27 | 株式会社 資生堂 | 水中油型乳化化粧料 |
WO2024157751A1 (ja) * | 2023-01-23 | 2024-08-02 | 株式会社資生堂 | 水中油型固形化粧料 |
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CN117017832A (zh) * | 2017-11-17 | 2023-11-10 | 株式会社高丝 | 固态粉末化妆品 |
JP7219044B2 (ja) * | 2018-10-12 | 2023-02-07 | 株式会社 資生堂 | 水中油型乳化化粧料 |
JP7044132B2 (ja) * | 2020-06-11 | 2022-03-30 | 日清紡ホールディングス株式会社 | 両親媒性アルギン酸粒子群及びその製造方法 |
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US10300008B2 (en) | 2019-05-28 |
KR20170018798A (ko) | 2017-02-20 |
EP3162355A1 (en) | 2017-05-03 |
JP6543247B2 (ja) | 2019-07-10 |
US20170128352A1 (en) | 2017-05-11 |
CN106232084A (zh) | 2016-12-14 |
JPWO2016002752A1 (ja) | 2017-04-27 |
EP3162355A4 (en) | 2018-02-21 |
CN115444785A (zh) | 2022-12-09 |
TW201607561A (zh) | 2016-03-01 |
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