WO2022230853A1 - エアゾール化粧料 - Google Patents

エアゾール化粧料 Download PDF

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Publication number
WO2022230853A1
WO2022230853A1 PCT/JP2022/018828 JP2022018828W WO2022230853A1 WO 2022230853 A1 WO2022230853 A1 WO 2022230853A1 JP 2022018828 W JP2022018828 W JP 2022018828W WO 2022230853 A1 WO2022230853 A1 WO 2022230853A1
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Prior art keywords
mass
aerosol cosmetic
carbon dioxide
stock solution
cosmetic according
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PCT/JP2022/018828
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English (en)
French (fr)
Japanese (ja)
Inventor
千晶 曽根
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Kao Corp
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Kao Corp
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Priority to KR1020237040493A priority Critical patent/KR20240001200A/ko
Priority to EP22795766.9A priority patent/EP4331685A4/en
Priority to CN202280031657.7A priority patent/CN117279606A/zh
Publication of WO2022230853A1 publication Critical patent/WO2022230853A1/ja
Anticipated expiration legal-status Critical
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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
    • A61K8/046—Aerosols; Foams
    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/24—Phosphorous; Compounds thereof
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/345—Alcohols containing more than one hydroxy group
    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/22—Gas releasing
    • A61K2800/222—Effervescent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/48—Thickener, Thickening system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54—Polymers characterized by specific structures/properties
    • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5424—Polymers characterized by specific structures/properties characterized by the charge anionic

Definitions

  • the present invention relates to aerosol cosmetics.
  • Patent Document 1 Skin troubles such as under-eye dark circles and dullness are thought to be caused by a decrease in blood flow, and in order to improve these, cosmetics using the effect of carbon dioxide gas are being investigated.
  • a specific dimethylpolysiloxane and polyethylene glycol are combined in a specific ratio, and an aerosol cosmetic using a water-soluble thickener, a specific surfactant, and carbon dioxide gas is produced by carbon dioxide gas ( Carbon dioxide) volatilization is suppressed, the skin after application is not sticky, and it is described to be excellent in feeling of use such as smoothness and softness.
  • Patent Document 1 JP-A-2020-2126
  • the present invention provides the following components (A) and (G): (A) a water-soluble thickener, (G) a stock solution containing water and having a pH of 7.1 or more and 10 or less, and (C) an aerosol cosmetic containing carbon dioxide gas,
  • the present invention relates to an aerosol cosmetic having a pH of 6 or more and 7.0 or less immediately after injection.
  • FIG. 2 is a diagram showing a method for measuring the rate of volatilization of carbon dioxide and the amount of volatilization of carbon dioxide in Examples 1 to 11 and Comparative Examples 1 and 2.
  • FIG. 1 is a diagram showing a method for measuring the carbonic acid concentration of a cosmetic after ejection in Test Example 1.
  • FIG. 2 is a diagram showing the carbonic acid concentration of cosmetics immediately after injection in Test Example 1.
  • FIG. 3 is a diagram showing the carbonic acid concentration of cosmetics 20 minutes after injection in Test Example 1.
  • FIG. FIG. 10 is a diagram showing skin redness ( ⁇ a value) when an aerosol cosmetic was applied to the skin in Test Example 2.
  • FIG. FIG. 10 is a diagram showing skin brightness ( ⁇ L value) when an aerosol cosmetic was applied to the skin in Test Example 2.
  • FIG. 10 is a diagram showing skin redness (visual observation) when an aerosol cosmetic was applied to the skin in Test Example 2.
  • FIG. 10 is a diagram showing skin brightness (visual observation) when an aerosol cosmetic was applied to the skin in
  • the present inventors have found that by adjusting the stock solution of the aerosol cosmetic to a specific pH, the dissolving ability as carbonate ions is improved, the concentration of carbon dioxide gas after spraying is improved, and volatilization is suppressed, so that it is effective for the skin. It has been found that it is possible to continuously supply carbon dioxide gas to the skin, not only to make the skin red evenly, but also to achieve a new value of brightening the skin with a high L value even after time passes.
  • the aerosol cosmetic of the present invention suppresses volatilization of carbon dioxide from the foam ejected from the container, has a high concentration of carbon dioxide in the foam, and can continuously supply carbon dioxide to the skin.
  • the skin after application has a high increase in ⁇ L in addition to ⁇ a, and the skin can be improved to be uniformly red and bright. ⁇ L is high even with time, and the brightness can be maintained.
  • Component (A) used in the present invention is a water-soluble thickener and preferably contains an anionic polymer.
  • the component (A) anionic polymer used in the present invention may be one that is used in ordinary cosmetics, such as polyacrylic acid, polymethacrylic acid, acrylic acid/alkyl acrylate copolymer, carboxyvinyl polymer, Carboxymethylcellulose, carrageenan, xanthan gum, polystyrene sulfonate, agar, gutti gum, karaya gum, pectin, alginate salt, hyaluronic acid or alkali metal salts thereof, and the like.
  • acrylic acid-based polymers are preferable, acrylic acid/alkyl acrylate copolymers and carboxyvinyl polymers are more preferable, (acrylic acid/alkyl acrylate (C10 -30)) It further preferably contains at least one selected from copolymers and carboxyvinyl polymers.
  • the (acrylic acid / alkyl acrylate (C10-30)) copolymer is a copolymer of C10-30 alkyl acrylic acid and acrylic acid, methacrylic acid or lower alkyl esters thereof, It is crosslinked with allyl ether or allyl ether of pentaerythritol, and commercially available products such as Pemulen TR-1, Pemulen TR-2, Carbopol ETD2020, Carbopol 1342, Carbopol 1382 (above, Lubrizol Advanced Materials) are used. be able to.
  • the water-soluble thickener other than the anionic polymer may be one used in ordinary cosmetics, and examples thereof include dextrin, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, polyvinyl alcohol, and the like. .
  • Component (A) can be used alone or in combination of two or more, and the content is preferably 0.1% by mass or more in the undiluted solution from the viewpoint of suppressing foam collision and retaining carbon dioxide gas. preferably 0.15% by mass or more, more preferably 0.2% by mass or more, even more preferably 0.25% by mass or more, preferably 3% by mass or less, more preferably 2% by mass or less, 1 mass % or less is more preferable, and 0.8 mass % or less is even more preferable.
  • the content of component (A) is preferably 0.1 to 3% by mass, more preferably 0.15 to 2% by mass, even more preferably 0.2 to 1% by mass, in the stock solution. 0.25 to 0.8% by weight is even more preferred.
  • the stock solution preferably further contains (B) a base.
  • the base of component (B) includes, for example, hydroxides of alkali metal salts such as potassium hydroxide and sodium hydroxide; hydroxides of alkaline earth metals such as magnesium hydroxide and calcium hydroxide; Alkanolamines such as 2-methyl-1-propanol, monoethanolamine, diethanolamine, and triethanolamine; basic amino acids such as L-arginine, lysine, ornithine; aqueous ammonia, ammonium hydroxide, sodium hydrogen carbonate, monohydrogen phosphate Potassium, sodium monohydrogen phosphate and the like can be mentioned.
  • the component (B) by adjusting the stock solution of the aerosol cosmetic to a specific pH, the ability to dissolve carbonate ions is improved, the concentration of carbon dioxide gas after injection is improved, and volatilization is suppressed. , potassium hydroxide, sodium hydroxide, potassium monohydrogen phosphate and sodium monohydrogen phosphate.
  • Component (B) can be used alone or in combination of two or more.
  • the content of component (B) improves the dissolution capacity as carbonate ions in the undiluted solution of the aerosol cosmetic, improves the concentration of carbon dioxide gas after spraying, and , From the viewpoint of suppressing volatilization, it is preferably 0.1% by mass or more in the undiluted solution, more preferably 0.15% by mass or more, further preferably 0.17% by mass or more, and 0.2% by mass or more. is more preferably 2% by mass or less, more preferably 1.5% by mass or less, even more preferably 1% by mass or less, and even more preferably 0.8% by mass or less.
  • the content of component (B) is preferably 0.1 to 2% by mass, more preferably 0.15 to 1.5% by mass, and even more preferably 0.17 to 1% by mass in the stock solution. , 0.2 to 0.8% by mass is even more preferable.
  • the undiluted solution may further contain (D) an oil component that is liquid at 25°C, which enhances the solubility of carbon dioxide gas, improves the permeability into the skin, and It can improve the skin to be evenly red and bright.
  • the term “liquid” means that it has fluidity at 25° C. and includes paste.
  • the oil component that is liquid at 25° C. is not limited as long as it is used in ordinary cosmetics. Examples include dimethylpolysiloxane, dimethylcyclopolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, and higher alcohol-modified.
  • Silicone oils such as organopolysiloxane; Hydrocarbons such as paraffin, squalane, and squalene; Natural animal and vegetable oils mainly composed of triglycerides, such as camellia oil, jojoba oil, olive oil, macadamia nut oil, avocado oil, and olive oil; Glycerin monostearate , glycerin distearate, glycerin monooleate, isopropyl palmitate, isopropyl stearate, butyl stearate, isopropyl myristate, diethyl phthalate, myristyl lactate, cetyl myristate, cetyl lactate, cetyl 2-ethylhexanoate, palmitic acid 2-ethylhexyl acid, 2-octyldodecyl myristate, 2-octyldodecyl oleate, glycerol triisostearate,
  • silicone oil monoester oil, diester oil, and triester oil are used from the viewpoint of increasing the solubility of carbon dioxide gas, improving the permeability into the skin, and improving the skin evenly red and bright after application.
  • Oils are preferred, more preferably comprising at least liquid silicone oils.
  • the liquid silicone oil may be any one that is commonly used in cosmetics, but preferably contains dimethylpolysiloxane with a viscosity of 6 to 5000 mPa ⁇ s at 25°C.
  • Dimethylpolysiloxane preferably has a viscosity of 10 mPa s or more at 25°C from the viewpoint of suppressing the volatilization of carbon dioxide gas and enhancing the effect on the skin, and preferably 1000 mPa s or less from the viewpoint of stickiness after application, and 500 mPa s. The following are more preferred.
  • the viscosity at 25°C is preferably 10 to 1000 mPa ⁇ s, more preferably 10 to 500 mPa ⁇ s at 25°C.
  • the viscosity was measured using a BM viscometer (manufactured by Toki Sangyo Co., Ltd.). 3. Measured at 12 rpm for 1 minute. 4, 12 rpm, the value measured for 1 minute.
  • Component (D) can be used alone or in combination of two or more.
  • the content of component (D) increases the solubility of carbon dioxide gas, improves the permeability into the skin, and makes the skin evenly red and bright after application. From the viewpoint of improving to , it is preferably 0.1% by mass or more in the stock solution, more preferably 0.5% by mass or more, more preferably 1% by mass or more, preferably 20% by mass or less, 15% by mass or less is more preferable, and 10% by mass or less is even more preferable.
  • the content of component (D) is preferably 0.1 to 20% by mass, more preferably 0.5 to 15% by mass, even more preferably 1 to 10% by mass in the stock solution.
  • the aerosol cosmetic of the present invention may further contain a component (E) polyhydric alcohol in the stock solution from the viewpoints of suppression of carbon dioxide volatilization and feeling of use after application.
  • the polyhydric alcohol preferably contains dihydric or trihydric alcohol.
  • Dihydric alcohols include ethylene glycol, diethylene glycol, polyethylene glycol (number average molecular weight less than 10000), propylene glycol, dipropylene glycol, polypropylene glycol, propanediol, 1,3-butylene glycol, 1,3-propanediol and the like. mentioned.
  • Trihydric alcohols include glycerin, diglycerin, polyglycerin and the like.
  • polyoxybutylene polyoxyethylene polyoxypropylene glyceryl ether (3B.O.) (8E.O.) (5P.O.) (Wilbride S-753 manufactured by NOF Corporation) can be mentioned.
  • polyethylene glycol, dipropylene glycol, and 1,3-propanediol is preferably included.
  • One or two or more polyhydric alcohols can be used as the component (E), and the content is 1% by mass in the stock solution from the viewpoint of suppressing the volatilization of carbon dioxide gas and imparting smoothness to the skin. 1.5% by mass or more is more preferable, 2% by mass or more is still more preferable, 25% by mass or less is preferable, 20% by mass or less is more preferable, and 16% by mass or less is even more preferable.
  • the content of component (E) is preferably 1 to 25% by mass, more preferably 1.5 to 20% by mass, and even more preferably 2 to 16% by mass in the stock solution.
  • the aerosol cosmetic of the present invention can further contain a component (F) surfactant in the stock solution, which makes finer bubbles during carbon dioxide gas injection and improves foam retention.
  • a component (F) surfactant in the stock solution, which makes finer bubbles during carbon dioxide gas injection and improves foam retention.
  • the surfactant any one that is used in ordinary cosmetics may be used, and nonionic surfactants, anionic surfactants, cationic surfactants and the like can be mentioned.
  • the nonionic surfactant one or more of those with HLB 2 to 20 are preferably included, and those with HLB 2 to 10 or HLB 12 to 18 are preferably used singly or in combination.
  • HLB Hydrophilic-Lipophilic Balance
  • nonionic surfactants with HLB 12-18 include polyglycerin fatty acid esters, polyethylene glycol fatty acid esters, sucrose fatty acid esters, polyoxyethylene fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene alkyl ethers, polyoxy Ethylene sorbitol fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene propylene glycol fatty acid ester, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil, polyoxyethylene hydrogenated castor oil fatty acid ester, polyoxyethylene phytostanol ether, poly Oxyethylene phytosterose ether, polyoxyethylene cholestanol ether, polyoxyethylene cholesteryl ether, polyoxyalkylene-modified organopolysiloxane, polyoxyalkylene/alkyl co-modified organopolysiloxane, etc., and one selected from these or Two or more kinds can be used.
  • the content of the nonionic surfactant with HLB 12 to 18 is preferably 0.05 to 10% by mass, more preferably 0.1 to 4% by mass, from the viewpoint of the stability of the undiluted solution. .2 to 2 mass % is more preferred.
  • nonionic surfactants with an HLB of 2 to 10 include sorbitan fatty acid esters having 8 to 22 carbon atoms; alkyl glyceryl ethers such as isostearyl glyceryl ether; and polyoxyalkylene-modified silicones.
  • sorbitan fatty acid esters examples include sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan coconut oil fatty acid, and sorbitan tristearate.
  • Rhodol SP-S10V HLB 4.7
  • Rheodol SP-O 10V HLB 4.3
  • Rheodol AO as sorbitan sesquioleate -15V
  • Rhodol SP-L10 HLB 8.6
  • SP-S30V HLB 2.1
  • polyoxyalkylene-modified silicones include polyoxyethylene/methylpolysiloxane copolymers and poly(oxyethylene/oxypropylene)/methylpolysiloxane copolymers, which are sold by Shin-Etsu Chemical Co., Ltd. "KF-6015” (PEG-3 dimethicone) (HLB4.5), “KF-6019” (PEG-9 dimethicone) (HLB4.5), "SH-3775M” sold by Toray Dow Corning Silicone Co., Ltd. (PEG-12 dimethicone) (HLB5), “SH-3773M” (PEG-12 dimethicone) (HLB8) and the like can be used.
  • the content of the nonionic surfactant with HLB of 2 to 10 is preferably 0.01 to 2% by mass, more preferably 0.05 to 1% by mass in the stock solution.
  • the nonionic surfactant one or more selected from polyoxyethylene alkyl ethers with HLB of 12 to 18 and polyoxyethylene hydrogenated castor oil, and polyoxyalkylene-modified silicone with HLB of 2 to 10 are used in combination. is more preferable from the viewpoint of foaming during carbon dioxide injection, foam uniformity, and foam wettability
  • anionic surfactants include alkyl sulfates having 12 to 22 carbon atoms such as sodium lauryl sulfate and potassium lauryl sulfate, or salts thereof, and polyoxyethylenes having 12 to 22 carbon atoms such as sodium polyoxyethylene lauryl ether phosphate.
  • polyoxyethylene alkyl ether phosphoric acid or its salt and acylglutamic acid or its salt are preferable from the viewpoint of emulsification stability and generation of many bubbles at the time of injection.
  • the content in the stock solution is preferably 0.01 to 1% by mass, more preferably 0.05 to 0.7% by mass.
  • the aerosol cosmetic of the present invention further contains component (G) water in the stock solution.
  • Component (G), water acts as a solvent for the stock solution and makes up the balance of the other components.
  • the content of water is preferably 55 to 99% by mass, more preferably 65 to 95% by mass, in the undiluted solution from the viewpoint of improving dissolving ability as carbonate ions in the undiluted solution and excellent emulsification stability. , 70 to 90 mass % is more preferable.
  • the undiluted solution further contains components used in ordinary cosmetics, such as polymers other than those mentioned above, oil components other than those mentioned above, ethanol, preservatives, antioxidants, pigments, and pH adjusters. , fragrances, ultraviolet absorbers, moisturizers, blood circulation promoters, cooling agents, antiperspirants, bactericides, whitening agents, anti-inflammatory agents, skin activators, and the like.
  • the stock solution is prepared by mixing the components (A) and (G) and other components.
  • the undiluted solution has a viscosity at 25° C. of preferably 1000 to 10000 mPa s, more preferably 1500 to 8500 mPa s, more preferably 2000 mPa s, from the viewpoint of suppressing the volatilization of carbonic acid foam and having an appropriate viscosity for application to the skin. It is more preferably up to 7000 mPa ⁇ s, and even more preferably 3000 to 7000 mPa ⁇ s.
  • the viscosity is measured using a BM viscometer (manufactured by Toki Sangyo Co., Ltd.), rotor No. 3. Measured at 12 rpm for 1 minute. 4, 12 rpm, the value measured for 1 minute.
  • the aerosol cosmetic of the present invention has improved dissolving ability as carbonate ions in the undiluted solution of the aerosol cosmetic, improves the concentration of carbon dioxide after spraying, suppresses volatilization, and reduces the skin after application to ⁇ a.
  • the increase in ⁇ L is high, and the skin can be improved to be uniformly red and bright.
  • ⁇ L is high over time, and from the viewpoint of maintaining brightness, the undiluted solution has a pH of 7.1 to 10, preferably pH 7.1 to 9.5, more preferably pH 7.1 to 9.
  • the pH of the stock solution is measured at 25° C. using pH/ION-METER F-72 manufactured by HORIBA.
  • the aerosol cosmetic of the present invention can be produced by filling the stock solution and (C) carbon dioxide in a pressure-resistant container.
  • a foam type in which the liquid is sprayed in the form of foam.
  • the mass ratio of the undiluted solution and carbon dioxide gas is preferably 94:6 to 99.5:0.5, more preferably 94:6 to 99.5:0.5, from the viewpoint of excellent generation of bubbles of carbon dioxide gas and improving the skin to be uniformly red and bright after application. is 95:5 to 99:1, more preferably 96.5:3.5 to 98.5:1.5.
  • the aerosol cosmetic of the present invention may contain, in addition to the component (C) carbon dioxide gas, a propellant that is commonly used in aerosol cosmetics.
  • Propellants include liquefied petroleum gas, compressed gas, and the like.
  • the content of carbon dioxide relative to the total amount of carbon dioxide and propellant is preferably 85% by mass or more, more preferably 90% by mass or more, and still more preferably 95% by mass or more. , and more preferably 98% by mass or more.
  • no propellant other than carbon dioxide is contained, or when a propellant other than carbon dioxide is contained, the content of carbon dioxide relative to the total amount of carbon dioxide and propellant is 85% by mass or more. It is preferable to have
  • the aerosol cosmetic of the present invention suppresses the volatilization of carbon dioxide gas, increases the concentration of carbon dioxide gas, and continuously supplies carbon dioxide gas to the skin.
  • the pH is preferably 6 to 6.9, more preferably 6.1 to 6.8.
  • the pH of the cosmetic immediately after injection is measured by filling a glass container with the cosmetic while injecting it from an aerosol container and using pH/ION-METER F-72 manufactured by HORIBA at 25°C. be. Measurements are taken immediately after injection from the aerosol container, and the measured value after 1 minute is used.
  • the aerosol cosmetic of the present invention can be applied as a cosmetic without any particular limitation, but volatilization of carbon dioxide in the cosmetic after spraying is suppressed, the concentration of carbon dioxide is high, and carbon dioxide acts after application to the skin. It is suitable as a skin cosmetic because it has a high effect on skin.
  • the aerosol cosmetic of the present invention can be applied to the skin, left for a certain period of time, blended with the skin, wiped off, or washed off, depending on the scene of use.
  • the aerosol cosmetic of the present invention can be produced by a conventional method, for example, by following steps 1 to 4.
  • Step 1 Aqueous phase components containing (A) an anionic polymer, (G) water, and (B) a base were heated to 50°C or higher and dispersed with a disper.
  • Step 2 To the aqueous phase obtained in Step 1, (D) an oil agent and (F) an oil phase component containing a surfactant were added, dispersed with a disper, and then stirred with a homomixer.
  • Step 3 After cooling the liquid obtained in Step 2 to 15 to 30° C., if necessary, other ingredients such as perfume were added and stirred to obtain a stock solution.
  • Step 4 The undiluted solution obtained in Step 3 is filled into a pressure-resistant container, sealed, and then filled with component (C) under pressure.
  • the present invention further discloses the following compositions.
  • component (A) preferably contains an anionic polymer.
  • Component (A) is preferably an acrylic polymer, more preferably acrylic acid/alkyl acrylate copolymer, carboxyvinyl polymer, (acrylic acid/alkyl acrylate (C10-30)) copolymer and
  • the content of component (A) in the stock solution is preferably 0.1% by mass or more, more preferably 0.15% by mass or more, further preferably 0.2% by mass or more, and 0.25 More preferably 3% by mass or less, more preferably 2% by mass or less, even more preferably 1% by mass or less, and even more preferably 0.8% or less, any of the above ⁇ 1> to ⁇ 3> 2.
  • ⁇ 5> The aerosol cosmetic according to any one of ⁇ 1> to ⁇ 4>, wherein the stock solution further contains (B) a base.
  • the component (B) preferably contains at least one selected from potassium hydroxide, sodium hydroxide, potassium monohydrogen phosphate and sodium monohydrogen phosphate.
  • the content of component (B) in the stock solution is preferably 0.1% by mass or more, more preferably 0.15% by mass or more, further preferably 0.17% by mass or more, and 0 .2% by mass or more is more preferable, 2% by mass or less is preferable, 1.5% by mass or less is more preferable, 1% by mass or less is still more preferable, and 0.8% by mass or less is even more preferable.
  • the undiluted solution preferably further contains (D) an oil component that is liquid at 25°C, more preferably silicone oil, monoester oil, diester oil, or triester oil, and at least contains liquid silicone oil.
  • the aerosol cosmetic according to any one of ⁇ 1> to ⁇ 7> above, which is more preferable.
  • the liquid silicone oil is preferably a dimethylpolysiloxane having a 25°C viscosity of 6 to 5000 mPa s, more preferably a 25°C viscosity of 10 to 1000 mPa s, and a 25°C viscosity of 10 to 500 mPa s.
  • the preferred aerosol cosmetic according to ⁇ 8>.
  • the content of component (D) in the stock solution is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, further preferably 1% by mass or more, and 20% by mass.
  • the aerosol cosmetic according to ⁇ 8> or ⁇ 9> above is preferably below, more preferably 15% by mass or less, and even more preferably 10% by mass or less.
  • the stock solution preferably further contains (E) a polyhydric alcohol, more preferably a dihydric or trihydric alcohol selected from polyethylene glycol, dipropylene glycol, and 1,3-propanediol.
  • the aerosol cosmetic according to any one of ⁇ 1> to ⁇ 10>, which more preferably contains one or more of the above-mentioned ⁇ 1> to ⁇ 10>.
  • the content of component (E) in the stock solution is preferably 1% by mass or more, more preferably 1.5% by mass or more, further preferably 2% by mass or more, and 25% by mass or less.
  • the aerosol cosmetic according to ⁇ 11> above preferably 20% by mass or less, more preferably 16% by mass or less.
  • the stock solution preferably further contains (F) a surfactant, more preferably a nonionic surfactant, even more preferably a nonionic surfactant with an HLB of 2 to 20, an HLB of 2 to 10, or an HLB of 12.
  • a surfactant more preferably a nonionic surfactant, even more preferably a nonionic surfactant with an HLB of 2 to 20, an HLB of 2 to 10, or an HLB of 12.
  • the aerosol cosmetic according to any one of ⁇ 1> to ⁇ 12>, wherein the nonionic surfactants of 1 to 18 are more preferably used singly or in combination.
  • the nonionic surfactant having an HLB of 12 to 18 is preferably polyoxyethylene alkyl ether or polyoxyethylene hydrogenated castor oil; the nonionic surfactant having an HLB of 2 to 10 preferably has 8 carbon atoms.
  • the aerosol cosmetic according to ⁇ 13> which is a sorbitan fatty acid ester of 1 to 22, an alkyl glyceryl ether, or a polyoxyalkylene-modified silicone.
  • the content of the nonionic surfactant with HLB 12 to 18 in the stock solution is preferably 0.05 to 10% by mass, more preferably 0.1 to 4% by mass, and 0.2 to 2
  • the content of the nonionic surfactant with HLB 2 to 10 in the stock solution is preferably 0.01 to 2% by mass, more preferably 0.05 to 1% by mass, ⁇ 13> or The aerosol cosmetic according to ⁇ 14>.
  • the nonionic surfactant of component (F) is a combination of one or more selected from polyoxyethylene alkyl ethers with HLB of 12 to 18 and polyoxyethylene hydrogenated castor oil, and polyoxyalkylene-modified silicone with HLB of 2 to 10.
  • the aerosol cosmetic according to any one of ⁇ 13> to ⁇ 16> above, which is preferably used as a cosmetic.
  • the content of component (G) in the stock solution is preferably 55 to 99% by mass, more preferably 65 to 95% by mass, and still more preferably 70 to 90% by mass.
  • the viscosity of the stock solution at 25°C is preferably 1000 to 10000 mPa s, more preferably 1500 to 8500 mPa s, still more preferably 2000 to 7000 mPa s, and even more preferably 3000 to 7000 mPa s.
  • ⁇ 20> The aerosol cosmetic according to any one of ⁇ 1> to ⁇ 19>, wherein the stock solution preferably has a pH of 7.1 to 9.5, more preferably 7.1 to 9.
  • ⁇ 21> The aerosol cosmetic according to any one of ⁇ 1> to ⁇ 20>, which is produced by filling a pressure-resistant container with the undiluted solution and (C) carbon dioxide gas.
  • ⁇ 22> The aerosol cosmetic according to any one of ⁇ 1> to ⁇ 21>, which is preferably sprayed in the form of a foam.
  • the mass ratio of the undiluted solution and carbon dioxide is preferably 94:6 to 99.5:0.5, more preferably 95:5 to 99:1, and 96.5:3.5 to 98
  • ⁇ 24> Preferably, it does not contain a propellant other than carbon dioxide, or if it contains a propellant other than carbon dioxide, the content of carbon dioxide with respect to the total amount of carbon dioxide and propellant is 85% by mass or more.
  • ⁇ 25> Contains a propellant other than carbon dioxide, and the content of carbon dioxide relative to the total amount of carbon dioxide and propellant is preferably 85% by mass or more, more preferably 90% by mass or more, and 95% by mass.
  • the aerosol cosmetic according to any one of ⁇ 1> to ⁇ 23> above is more preferable, and 98% by mass or more is even more preferable.
  • ⁇ 26> The aerosol according to any one of ⁇ 1> to ⁇ 25>, wherein the pH of the cosmetic immediately after injection is preferably pH 6 to 6.9, more preferably pH 6.1 to 6.8. cosmetics.
  • ⁇ 27> The aerosol cosmetic according to any one of ⁇ 1> to ⁇ 26>, which is a skin cosmetic.
  • an anionic polymer selected from acrylic acid/alkyl acrylate copolymers and carboxyvinyl polymers
  • B 0.15 to 1.5% by mass of a base selected from potassium hydroxide, sodium hydroxide, potassium monohydrogen phosphate and sodium monohydrogen phosphate
  • G a stock solution containing water and having a pH of 7.1 or more and 9.5 or less
  • Examples 1-11 and Comparative Examples 1-2 Aerosol cosmetics having the compositions shown in Tables 1 and 2 were produced, and the viscosity and pH of the undiluted solutions at 25°C and the pH of the cosmetics immediately after injection were measured. In addition, the carbon dioxide volatility and the skin color (colorimetric value, visual observation) immediately after and 3 minutes after application to the skin were evaluated. These results are shown together in Tables 1 and 2.
  • Step 1 Aqueous phase components including (A) a water-soluble thickener, (G) water, (B) a base, and polyethylene glycol were heated to 58-68°C and dispersed with a disper.
  • Step 2 To the aqueous phase obtained in Step 1, (D) an oil agent, dipropylene glycol, 1,3-propanediol, and (F) an oil phase component containing a surfactant are added, dispersed with a disper, and homogenized. Stir with a mixer.
  • Step 3 The liquid obtained in Step 2 was cooled to 15 to 30°C, a perfume was added, and after stirring, a stock solution was obtained.
  • Carbon dioxide volatility (4-1) Carbon dioxide volatilization rate: As shown in FIG. 1, after spraying about 1 gf of each aerosol cosmetic into a cylindrical glass container (19 cm 3 in volume), a carbon dioxide gas electrode CE-2041 (manufactured by Toa DKK Co., Ltd.) was inserted so as not to touch the cosmetic. Then, the carbon dioxide gas concentration was immediately measured with the glass container hermetically sealed. The measuring device (carbonate concentration meter) is ION/pH METER IM-32P. Immediately after injection, the measurement was started, and the amount of change in carbon dioxide gas concentration per minute was calculated for 4 minutes from 1 minute to 5 minutes after the start of measurement, and the amount of change was calculated as the carbon dioxide volatilization rate (ppm/min).
  • Examples 12-17 Aerosol cosmetics having the compositions shown in Tables 3 and 4 were produced in the same manner as in Examples 1 to 11, and the viscosity and pH of the stock solutions at 25°C and the pH of the cosmetics immediately after injection were measured. The results are also shown in Tables 3 and 4. All of the cosmetics of Examples 12 to 17 inhibited volatilization of carbon dioxide gas from the cosmetics ejected from the container, had a high concentration of carbon dioxide gas, and improved the skin to be uniformly red and bright after application. can.
  • Carbonic acid concentration in cosmetics measured value (ppm) x ⁇ weight of cosmetics (g) / (weight of cosmetics (g) + weight of water (g) + weight of 48% KOH (g) + 20%) Weight of citric acid (g) ⁇
  • Test example 2 The aerosol cosmetics of Example 4 and Comparative Example 1 were evaluated for skin redness and skin brightness (colorimetric value, visual observation) when applied to the skin. The results are shown in FIGS. 5-8.

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PCT/JP2022/018828 2021-04-28 2022-04-26 エアゾール化粧料 Ceased WO2022230853A1 (ja)

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JP2005179262A (ja) * 2003-12-19 2005-07-07 Kao Corp エアゾール組成物
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JP2020002126A (ja) 2018-06-21 2020-01-09 花王株式会社 エアゾール化粧料
JP2020007280A (ja) * 2018-07-11 2020-01-16 花王株式会社 育毛剤
CN110882184A (zh) * 2019-10-15 2020-03-17 上海西西艾尔启东日用化学品有限公司 一种以二氧化碳为推进剂的防晒泡泡及其制备方法
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JPH11228334A (ja) * 1997-12-08 1999-08-24 Kao Corp 化粧料
JP2003252725A (ja) * 2002-02-28 2003-09-10 Daizo:Kk 発泡性エアゾール組成物
JP2005179262A (ja) * 2003-12-19 2005-07-07 Kao Corp エアゾール組成物
JP2009191042A (ja) * 2008-02-18 2009-08-27 Pola Chem Ind Inc エアゾル形態の皮膚外用剤
JP2009292740A (ja) * 2008-06-03 2009-12-17 Pola Chem Ind Inc 血行促進用の化粧料
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KR20240001200A (ko) 2024-01-03
JP2022170720A (ja) 2022-11-10
TW202308582A (zh) 2023-03-01
EP4331685A1 (en) 2024-03-06
JP7731843B2 (ja) 2025-09-01
CN117279606A (zh) 2023-12-22

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