WO2018092406A1 - Émulsion cosmétique - Google Patents

Émulsion cosmétique Download PDF

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Publication number
WO2018092406A1
WO2018092406A1 PCT/JP2017/033656 JP2017033656W WO2018092406A1 WO 2018092406 A1 WO2018092406 A1 WO 2018092406A1 JP 2017033656 W JP2017033656 W JP 2017033656W WO 2018092406 A1 WO2018092406 A1 WO 2018092406A1
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WIPO (PCT)
Prior art keywords
component
mass
emulsified cosmetic
content
emulsified
Prior art date
Application number
PCT/JP2017/033656
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English (en)
Japanese (ja)
Inventor
真樹 松尾
めぐみ 池田
Original Assignee
株式会社マンダム
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 株式会社マンダム filed Critical 株式会社マンダム
Priority to JP2018551049A priority Critical patent/JP6792632B2/ja
Priority to KR1020187022603A priority patent/KR102104096B1/ko
Priority to CN201780012262.1A priority patent/CN108697612B/zh
Publication of WO2018092406A1 publication Critical patent/WO2018092406A1/fr

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Classifications

    • 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
    • A61K8/30—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
    • A61K8/37—Esters of carboxylic acids
    • 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
    • A61K8/55—Phosphorus compounds
    • 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
    • A61K8/55—Phosphorus compounds
    • A61K8/553—Phospholipids, e.g. lecithin
    • 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
    • A61K8/73—Polysaccharides
    • 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
    • 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

Definitions

  • the present invention relates to an emulsified cosmetic.
  • Cosmetics that can give the user a rich feeling at the time of application are one of the types of cosmetics that are required by the user because the user can feel a certain level of comfort and produce a high-class feeling. I can say that.
  • those containing higher alcohol or polyethylene glycol are known as emulsified cosmetics that impart richness to the skin (Patent Document 1).
  • emulsions containing higher alcohols have the problem of thickening over time.
  • a dispenser container or a lotion bottle and used there may be a problem in the discharge performance from the nozzle. For this reason, it is unavoidable to limit the blending amount of the higher alcohol, and it is difficult to provide a sufficiently high rich feeling.
  • the emulsified cosmetic containing polyethylene glycol has problems such as insufficient usability.
  • a composition that has reduced emulsion uniformity or inferior storage stability at high temperature as well as low temperature is used as an emulsified cosmetic. Is not enough.
  • An object of the present invention is to provide an emulsified cosmetic which is excellent in uniformity of an emulsion and excellent in storage stability even at high temperatures while giving a rich feeling.
  • the present invention Contains the following component A, the following component B, the following component C, and the following component D,
  • the content of the component A is 0.5 to 4.0% by mass
  • the total content of the component B and the component C (B + C) is 0.5 to 6.0% by mass
  • the mass ratio of the content of the component B to the total content of the component C (B / (B + C)) is 0.15 to 0.85.
  • Component A Phospholipid Component B: Glyceryl monobehenate
  • Component C Glyceryl monostearate
  • Component D Water
  • the present invention it is possible to provide an emulsified cosmetic having excellent emulsion uniformity and excellent storage stability even at high temperatures while giving a rich feeling.
  • the “bumpy feeling” refers to a feeling that the thickness of the coating layer of the agent is felt at the time of application, and a high concentration agent is applied.
  • the emulsified cosmetic of the present invention contains at least components A to D.
  • emulsified cosmetics emulsified with phospholipids exhibit a high degree of richness by paying attention to phospholipids from a wide variety of ingredients that can be used in the cosmetics field.
  • emulsified cosmetics emulsified with phospholipids sometimes have reduced emulsion stability and storage stability such as separation at high temperatures. Therefore, as a result of further studies, the combined use of glyceryl monobehenate and glyceryl monostearate at a specific ratio not only improves the richness, but also improves the uniformity of the emulsion and the storage stability at high temperatures. It was found that an emulsified cosmetic was obtained.
  • Component A is “phospholipid”. Ingredient A exhibits not only the effect of promoting emulsification but also the effect of imparting richness.
  • Component A is a complex lipid containing a phosphate residue, and examples thereof include natural phospholipids, synthetic phospholipids, and hydrogenated phospholipids in which unsaturated carbon chains of naturally derived phospholipids are saturated with hydrogen.
  • the phospholipid include phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine, phosphatidylinositol, lysophosphatidylcholine, sphingomyelin, egg yolk lecithin, soybean lecithin, and the like; dilauroylphosphatidylcholine, dimyristoylphosphatidylcholine, dipalmitoylphosphatidylcholine, Examples include synthetic phospholipids such as stearoyl phosphatidylcholine, dioleoylphosphatidylcholine, palmitoyl oleoylphosphatidylcholine; hydrogenated phospholipids such as hydrogenated soybean
  • a commercially available product can be used as component A.
  • Examples of commercially available hydrogenated soybean phospholipids include “COATSOME NC-61” (trade name, manufactured by NOF Corporation), “COATSOME NC-21” (trade name, manufactured by NOF Corporation), and “NIKKOL Resinol S-”.
  • the content of component A in 100% by mass of the emulsified cosmetic of the present invention is 0.5% by mass or more, preferably 1.0% by mass or more from the viewpoint of imparting a rich feeling, and is stable at high temperatures. From the viewpoint of the properties and uniformity of the emulsion, it is 4.0% by mass or less, preferably 3.0% by mass or less.
  • content of the component A is the total amount of all the components A contained in the emulsified cosmetics of this invention.
  • Component B is “glyceryl monobehenate”.
  • Component B gives a rich feeling during application of the emulsified cosmetic, and further exhibits the effect of imparting storage stability to the emulsified cosmetic at a high temperature.
  • Component B and component C have amphipathic properties, and it is presumed that the components A to C interact with each other in the emulsified cosmetic, but give a rich feeling when the emulsified cosmetic is applied.
  • glyceryl monobehenate of component B has a long carbon chain and hardly undergoes structural changes at high temperatures, the bulk viscosity does not increase with time, and as a result, richness is imparted and storage stability at high temperatures is achieved. Presumed to contribute.
  • being excellent in storage stability at high temperature means that, for example, viscosity increase and phase separation hardly occur at 40 ° C. over time.
  • the content of Component B in 100% by mass of the emulsified cosmetic of the present invention is preferably 0.2% by mass or more, more preferably 0.5% by mass from the viewpoint of imparting richness and storage stability at high temperatures. % Or more, and further 0.8% by mass or more. On the other hand, from the viewpoint of storage stability at high temperatures, it is preferably 3.5% by mass or less, more preferably 2.0% by mass or less, and further preferably 1.5% by mass. % Or less.
  • Component C is “glyceryl monostearate”.
  • Component C gives a rich feeling when the emulsified cosmetic is applied, and further exhibits the effect of improving the uniformity of the emulsion of the emulsified cosmetic. Since component C glyceryl monostearate has a short carbon chain length and high surface activity, it is presumed to exert an effect of improving the uniformity of the emulsion by orientation at the oil-water interface.
  • the uniformity of an emulsion means that a coarse aggregate does not generate
  • the content of component C in 100% by mass of the emulsified cosmetic of the present invention is preferably 0.1% by mass or more, more preferably 0.2% by mass or more from the viewpoint of imparting richness and the uniformity of the emulsion. More preferably, it is 0.5% by mass or more, preferably 3.5% by mass or less from the viewpoint of preventing emulsified cosmetics from becoming hard, improving usability, and improving storage stability. Preferably it is 2.5 mass% or less, More preferably, it is 2.0 mass% or less.
  • the total content (B + C) of component B and component C in 100% by mass of the emulsified cosmetic of the present invention is 0 from the viewpoint of imparting richness, the uniformity of the emulsion, and the storage stability at high temperatures. 0.5% by mass or more, preferably 0.8% by mass or more, more preferably 1.0% by mass or more, and 6.0% by mass from the viewpoint of imparting richness and storage stability at high temperatures. Or less, preferably 4.0% by mass or less, more preferably 3.0% by mass or less.
  • the mass ratio (B / (B + C)) of the content of component B to the total content of component B and component C in the emulsified cosmetic of the present invention is a viewpoint that gives a rich feeling, and a viewpoint of the uniformity of the emulsion. And from the viewpoint of storage stability at high temperature, it is 0.15 or more, preferably 0.3 or more. From the viewpoint of imparting richness, from the viewpoint of emulsion uniformity, and from the viewpoint of storage stability at high temperature, it is 0. .85 or less, preferably 0.7 or less.
  • Component D is “water”.
  • Component D has a role as a medium for emulsified cosmetics for forming an emulsified system. By making cosmetics into an emulsifying system, freshness and emollient effects are exhibited.
  • the content of Component D in 100% by mass of the emulsified cosmetic of the present invention is preferably 40.0% by mass or more, more preferably 50.0% by mass or more, and 95.0% from the viewpoint of containing other components.
  • the mass% is preferably at most 90.0 mass%.
  • the emulsified cosmetic of the present invention preferably further contains “xanthan gum” as component E from the viewpoint of increasing the viscosity of the emulsified cosmetic and improving the emulsion stability and the feeling of use. Furthermore, by using component E in combination with component F, which will be described later, the effect of imparting richness and storage stability to the emulsified cosmetic, and the effect of easily removing the emulsified cosmetic from the container with a finger are exhibited. Therefore, it is more preferable.
  • Xanthan gum is a chain polysaccharide composed of repeating units of glucose 2 molecules and mannose 2 molecules glucuronic acid.
  • a commercially available product can be used as component E.
  • Examples of the commercially available component E include “Echo Gum T” (manufactured by DSP Gokyo Food & Chemical Co., Ltd.), “Nom Coat ZZ” (manufactured by Nisshin Oilio Group Co., Ltd.), and the like.
  • the content of component E in 100% by mass of the emulsified cosmetic of the present invention is preferably 0.01% by mass or more, more preferably 0.02 from the viewpoint of imparting richness, storage stability, and ease of removal.
  • % Or less more preferably 0.2% by mass or less.
  • the emulsified cosmetic of the present invention may further contain “carboxyvinyl polymer and / or alkyl-modified carboxyvinyl polymer” as component F from the viewpoint of increasing the viscosity of the emulsified cosmetic and improving the emulsion stability and feeling of use. preferable. That is, component F is one or both of a carboxyvinyl polymer and an alkyl-modified carboxyvinyl polymer.
  • the carboxyvinyl polymer is mainly a polymer of acrylic acid, and the alkyl-modified carboxyvinyl polymer is mainly a copolymer of acrylic acid and alkyl methacrylate.
  • Component F may be used alone or in combination of two or more.
  • the carboxyvinyl polymer and the alkyl-modified carboxyvinyl polymer can be easily obtained as commercial products.
  • Preferred commercially available carboxyvinyl polymers include, for example, “Carbopol 934”, “Carbopol 940”, “Carbopol 941”, “Carbopol 980”, “Carbopol 981”, “Carbopol 1342”, “Carbopol”.
  • the content of component F in 100% by mass of the emulsified cosmetic of the present invention is preferably 0.05% by mass or more, more preferably 0.06% by mass or more, and still more preferably 0.8% from the viewpoint of improving storage stability. On the other hand, it is 0.3% by mass or less, preferably 0.25% by mass or less, from the viewpoint of the uniformity of the emulsion and the viewpoint of coating feel.
  • content of the component F is the total amount of all the components F contained in the emulsified cosmetics of this invention.
  • the emulsified cosmetic of the present invention contains an oil agent in addition to the above components A to F in order to make the dosage form an emulsifying system.
  • the oil agent is not particularly limited, and examples thereof include monovalent branched aliphatic alcohols having 12 to 24 carbon atoms, monovalent linear unsaturated aliphatic alcohols having 12 to 22 carbon atoms, and higher grades having 12 to 22 carbon atoms. Examples include fatty acids, fats and oils, hydrocarbon oils, ester oils, silicone oils, waxes and the like.
  • the oil examples include monovalent branched aliphatic alcohols having 12 to 24 carbon atoms such as octyldodecanol, decyltetradecanol, and isostearyl alcohol; monovalent branched alcohols having 12 to 22 carbon atoms such as oleyl alcohol.
  • Linear unsaturated aliphatic alcohols such as lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, behenic acid, undecylenic acid, lanolinic acid, isostearic acid; coconut oil, palm oil, hydrogenated palm oil, Oils such as avocado oil, sesame oil, olive oil, kukui nut oil, grape particle oil, safflower oil, almond oil, corn oil, cottonseed oil, sunflower seed oil, grape seed oil, hazelnut oil, macadamia nut oil, meadowfoam oil, rosehip oil Olefin oligomer, light liquid isoparaffin Hydrocarbon oils such as squalane, liquid paraffin, liquid isoparaffin, petrolatum; ethyl oleate, isopropyl myristate, isopropyl palmitate, myristyl myristate, cetyl palmitate, oleyl oleate, oct
  • the content of the oil agent in 100% by mass of the emulsified cosmetic of the present invention is not particularly limited, but is preferably 2.0% by mass or more and more preferably 3.0% by mass or more from the viewpoint of imparting an emollient effect. On the other hand, from the viewpoint of stickiness suppression, the content is preferably 30.0% by mass or less, and more preferably 20.0% by mass or less.
  • content of an oil agent is a total amount of all the oil agents contained in the emulsified cosmetics of this invention.
  • the emulsified cosmetic of the present invention may further contain an emulsifier other than Component A (abbreviated as “other emulsifier”). Although it does not specifically limit as said other emulsifier, A nonionic emulsifier is preferable. “Other emulsifiers” may be used alone or in combination of two or more.
  • “other emulsifiers” include sorbitan fatty acid ester, glycerin fatty acid ester, castor oil, hydrogenated castor oil, and alkylene oxide adducts thereof, polyoxyethylene sorbitan fatty acid ester, polyglycerin fatty acid ester, polyoxyalkylene alkyl ether, poly Oxyalkylene fatty acid ester, polyoxyalkylene alkylphenol, polyoxyethylene sorbite fatty acid ester, polyoxyethylene alkylphenyl formaldehyde condensate, polyoxyethylene sterol and its derivatives, polyoxyethylene lanolin and its derivatives, polyoxyethylene beeswax derivatives, sugar esters Nonionic emulsifiers such as higher fatty acid soaps, alkyl sulfates, alkyl phosphates, polyoxye Len alkyl ether sulfate, polyoxyethylene alkyl phenyl ether sulfate, alkyl
  • Anionic emulsifiers alkylamine salts, fatty acid amide amine salts, amine salts such as ester-containing tertiary amine salts, monoalkyl quaternary ammonium salts, dialkyl quaternary ammonium salts, trialkyl quaternary ammonium salts, benzalconium And alkyl quaternary ammonium salts such as quaternary ammonium salts, cyclic quaternary ammonium salts such as alkyl pyridinium salts, and cationic emulsifiers such as benzethonium chloride.
  • nonionic emulsifiers are preferable, and polyoxyethylene hydrogenated castor oil, polyoxyethylene glycerin fatty acid ester, polyoxyethylene sorbitan fatty acid ester, and polyglycerin fatty acid ester are preferable.
  • the content of “other emulsifier” in 100% by mass of the emulsified cosmetic of the present invention is preferably 0.05% by mass or more, more preferably 0.1% by mass or more and 5.0% by mass or less, more preferably. Is 3.0 mass% or less.
  • a nonionic emulsifier it is preferable that a nonionic emulsifier satisfy
  • the content of “other emulsifier” is the total amount of all “other emulsifiers” contained in the emulsified cosmetic of the present invention.
  • the emulsified cosmetic of the present invention may further contain optional components other than those described above.
  • the optional component include, but are not limited to, for example, lower alcohols; polyhydric alcohols such as glycerin and 1,3-butylene glycol; ultraviolet absorbers; powders; antioxidants; preservatives such as methylparaben and phenoxyethanol; Colorants; chelating agents; refreshing agents; thickeners; vitamins; neutralizing agents; amino acids; pH adjusters; whitening agents; anti-inflammatory agents; deodorants; Examples thereof include additives such as metal sequestering agents.
  • Other components may be used alone or in combination of two or more.
  • the emulsified cosmetic of the present invention preferably contains substantially no “monovalent linear saturated aliphatic alcohol having 12 to 22 carbon atoms”.
  • the emulsified cosmetic may become hard over time.
  • “substantially does not contain” means that it is not contained at all, or that it is contained in a trace amount even if it is included, and “100 to 12 carbon atoms in 100% by mass of the emulsified cosmetic of the present invention”.
  • the content of “22 monovalent linear saturated aliphatic alcohol” is preferably 0.1% by mass or less (that is, 0 to 0.1% by mass), more preferably 0.05% by mass or less, and still more preferably 0%. 0.01% by mass or less.
  • the emulsified cosmetic of the present invention is an emulsion, it is preferable to satisfy the above range.
  • “monovalent linear saturated aliphatic alcohol having 12 to 22 carbon atoms” include cetanol, behenyl alcohol, stearyl alcohol, cetearyl alcohol and the like.
  • the “monovalent linear saturated aliphatic alcohol having 12 to 22 carbon atoms” may be only one type, or may be two or more types.
  • the content of the electrolyte in 100% by mass of the emulsified cosmetic of the present invention is preferably less than 0.3% by mass (that is, 0% by mass or more and less than 0.3% by mass), more preferably from the viewpoint of storage stability. It is 0.1 mass% or less.
  • content of electrolyte is the total amount of all the electrolytes contained in the emulsified cosmetics of this invention.
  • electrolyte does not include the above components A to F.
  • electrolyte examples include monovalent metal salts and divalent or higher polyvalent metal salts.
  • the metal salt may be an inorganic salt or an organic salt.
  • examples of the metal salt include sodium salt, potassium salt, calcium salt, magnesium salt, zinc salt, ammonium salt, aluminum salt and the like.
  • the electrolyte further includes benzalkonium chloride and chlorohydroxyaluminum.
  • the pH of the emulsified cosmetic of the present invention is not particularly limited, but is preferably 5.0 to 7.5, for example, and more preferably 5.5 to 7.0 at 25 ° C.
  • the viscosity of the emulsified cosmetic of the present invention is not particularly limited.
  • the viscosity at 25 ° C. is preferably 500 to 80000 mPa ⁇ s, and more preferably 1500 to 25000 mPa ⁇ s.
  • Viscosity measurement is carried out using a B-type viscometer with a rotor and rotation speed suitable for the viscosity.
  • the viscosity is 500 to 25000 mPa ⁇ s
  • the emulsified cosmetic of the present invention is an emulsion.
  • the dosage form of the emulsified cosmetic of the present invention is not particularly limited, and examples thereof include creams and emulsions. Among these, an emulsion is preferable.
  • the emulsified cosmetic of the present invention is not particularly limited.
  • skin care such as moisturizing cosmetics, whitening cosmetics, acne care cosmetics, and anti-aging cosmetics (for example, wrinkle suppression, sagging suppression).
  • cosmetics include cosmetics.
  • the emulsified cosmetic of the present invention is preferably used as a skin cosmetic.
  • the emulsified cosmetic of the present invention may be any of cosmetics, quasi drugs, pharmaceuticals, and miscellaneous goods, for example.
  • the site to which the emulsified cosmetic of the present invention is applied is not particularly limited, but includes the face (for example, forehead, eyes, eyes, cheeks, mouth, etc.), arms, elbows, back of hands, fingertips, feet, knees, heels, neck, Side, back, etc.
  • face for example, forehead, eyes, eyes, cheeks, mouth, etc.
  • arms, elbows, back of hands fingertips, feet, knees, heels, neck, Side, back, etc.
  • Examples of the method for preparing the emulsified cosmetic of the present invention include a method in which the above-described components are mixed and a known method, for example, a method using a homomixer, and the like.
  • aqueous phase As the aqueous phase, Component D, Component E, Component F, potassium hydroxide, concentrated glycerin, 1,3-butylene glycol, methyl paraben, and phenoxyethanol were mixed and heated to 85 ° C. Moreover, as an oil phase, the component A, the component B, the component C, the other emulsifier, and the oil agent were mixed, and it heated at 85 degreeC. Next, the water phase and the oil phase were mixed, emulsified with a homomixer at a rotational speed of 6000 rpm for 5 minutes, emulsified, and cooled to 35 ° C. to prepare an emulsified cosmetic.
  • the pH of the emulsified cosmetic of Example 1 at 25 ° C. was about 6.5, and the viscosity at 25 ° C. was 4540 mPa ⁇ s.
  • the emulsified cosmetics of other examples had a pH of about 6.5 at 25 ° C. and a viscosity at 25 ° C. of 4710 to 24000 mPa ⁇ s.
  • the emulsified cosmetics of any Examples were also emulsions.
  • Test Example 1 Emulsion cosmetic application feeling (richness) Three professional evaluators applied the emulsified cosmetics obtained in each Example and each Comparative Example to the inner side of the forearm, and compared the feeling at the time of application with the emulsion of the following standard prescription. It was evaluated with. The results are shown in Tables 1 to 3.
  • Test Example 2 Emulsification uniformity of emulsified cosmetic
  • the emulsified cosmetic of each Example and Comparative Example was dropped on a slide glass and covered with a cover glass to prepare an evaluation sample.
  • the evaluation sample was observed with an optical microscope (400 times) and evaluated according to the following criteria.
  • ⁇ (good) Although the shape of the emulsion particles is spherical (observed in a circular shape), there is a small variation in size.
  • ⁇ (can be used): The shape of the emulsion particles is spherical (observed as a circle), but there is a large variation in size.
  • X (defect): The shape of the emulsion particles is not spherical but irregular. The results are shown in Tables 1 to 3.
  • Test Example 3 Storage stability of emulsified cosmetics (storage stability at high temperature)
  • the emulsified cosmetics of each Example and Comparative Example were stored for 28 days in a thermostatic chamber at 40 ° C.
  • Each emulsified cosmetic after storage was allowed to stand at 25 ° C. for 4 hours, and then the storage stability of each emulsified cosmetic at high temperature was evaluated by the following method. Specifically, the appearance of each emulsified cosmetic was observed. Furthermore, the flowability of the emulsion emulsion cosmetic was observed, and the state of the cream emulsion emulsion scraped with a finger was observed. Those having no separation or obvious viscosity reduction were evaluated as good storage stability ( ⁇ ), and those having separation or obvious viscosity reduction were evaluated as poor storage stability ( ⁇ ). The results are shown in Tables 1 to 3.
  • Hydrogenated soybean phospholipid product name “Resinol S-10” manufactured by Nikko Chemicals POE-20 sorbitan monostearate, manufactured by Kao Corporation, trade name “Leodol TW-S120V” Xanthan Gum: DSP Gokyo Food & Chemical Co., Ltd., trade name “Echo Gum T” Carboxy vinyl polymer: LUBRIZOL, trade name “Carbopol 981” Methyl polysiloxane (dimethicone): Toray Dow Corning, trade name “SH200C 10CS-JASU” Cetyl 2-ethylhexanoate manufactured by Nippon Surfactant Kogyo Co., Ltd., trade name “CIO-N” Liquid paraffin: manufactured by SONNEBORN, trade name “CARNATION # 70” Concentrated glycerin: Concentrated glycerin methylparaben for cosmetics: Ueno Pharmaceutical Co., Ltd. Phen
  • the emulsified cosmetic of the present invention can be used as a cosmetic such as a milky lotion or cream that can impart richness to the skin.

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Abstract

La présente invention concerne une émulsion cosmétique comprenant un composant A, un composant B, un composant C et un composant D tel que mentionné ci-dessous, la teneur en composant A étant de 0,5 à 4,0 % en masse, la somme totale (B +C) de la teneur en composant B et la teneur en composant C est de 0,5 à 6,0 % en masse, et le rapport (B/(B+C)) de la teneur en composant B à la teneur totale en composant B et en composant C est de 0,15 à 0,85 en masse: le composant A : un phospholipide, le composant B : un monobéhénate de glycéryle, le composant C : un monostéarate de glycéryle, et le composant D : de l'eau. L'émulsion cosmétique selon la présente invention peut être utilisée en tant que produit cosmétique, tel qu'une lotion laiteuse et une crème, qui peut conférer une sensation de corps complet à la peau.
PCT/JP2017/033656 2016-11-18 2017-09-19 Émulsion cosmétique WO2018092406A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018551049A JP6792632B2 (ja) 2016-11-18 2017-09-19 乳化化粧料
KR1020187022603A KR102104096B1 (ko) 2016-11-18 2017-09-19 유화 화장료
CN201780012262.1A CN108697612B (zh) 2016-11-18 2017-09-19 乳化化妆料

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JP2016-224875 2016-11-18

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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