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
  • A61K8/064—Water-in-oil emulsions, e.g. Water-in-silicone 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
  • A61K8/02—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
  • A61K8/31—Hydrocarbons
• • 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
• • 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
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/37—Esters of carboxylic acids
  • A61K8/375—Esters of carboxylic acids the alcohol moiety 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
  • A61K8/30—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
  • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
• • 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
  • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
  • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
• • 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
  • A61K8/556—Derivatives containing from 2 to 10 oxyalkylene groups
• • 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
  • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products 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
  • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
  • A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
• • 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
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
• • 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
  • A61K2800/10—General cosmetic use

Definitions

• the present invention relates to a water-in-oil emulsion cosmetic composition.
• Known oil-based cosmetic compositions include hair oil, hair stick, hair clay, and hair balm.
• Patent Document 1 discloses an oil-based hair cosmetic composition that contains (A) 12-hydroxystearic acid, (B) one or more hydrocarbon oils, and (C) one or more silicone derivatives.
• Patent Document 2 discloses a hair balm that contains liquid oil (A) and a solidifying agent (B) that solidifies the liquid oil (A), in which the liquid oil (A) content is 70% to 99% by mass and the solidifying agent (B) content is 1% to 30% by mass.
• Oil-based cosmetic compositions that have moderately hard properties such as hair balms
• oil-based cosmetic compositions that have hard properties such as hair clay
• These oil-based cosmetic compositions contain oil components that are solid at 25°C to impart hardness to the oil-based cosmetic composition.
• the object of the present invention is to provide a water-in-oil emulsion cosmetic composition that spreads better than an oil-based cosmetic composition having the same properties.
• the present inventors have conducted extensive research into cosmetic compositions that contain oily ingredients that are solid at 25°C, but spread better than oil-based cosmetic compositions with the same properties. As a result, the present inventors have found that the above-mentioned problems can be solved by the following cosmetic composition.
• the present invention provides a water-in-oil emulsion cosmetic composition that contains the following components (A), (B), (C), and (D), and the content of component (D) is 15.0% by mass or more and 50.0% by mass or less.
• Component (A) An oily component that is solid at 25°C and has a melting point of 65°C or more and 100°C or less, selected from the group consisting of animal and vegetable oils and hydrocarbon oils.
• Component (B) An oily component that is liquid at 25°C, selected from the group consisting of vegetable oils and fatty acid triglycerides.
• Component (C) A nonionic surfactant that has a linear saturated alkyl chain having 13 or more carbon atoms and an HLB value of 2.8 or more and 8.0 or less.
• the water-in-oil emulsion cosmetic composition of the present invention preferably contains the following component (E).
• the water-in-oil emulsion cosmetic composition of the present invention preferably contains the following component (F).
• Component (F) Phosphate-based surfactant with an HLB value of more than 8.0 and less than 12.0.
• the content of the oily component that is liquid at 25°C and is selected from the group consisting of component (B) and ester oils, hydrocarbon oils, and silicone oils other than component (B) is preferably 15.0% by mass or more and 70.0% by mass or less.
• the water-in-oil emulsion cosmetic composition of the present invention preferably contains the following component (G), and the content of the oily component that is liquid at 25°C and is selected from the group consisting of component (B) and ester oils, hydrocarbon oils, and silicone oils other than component (B) is 5.0% by mass or more and 25.0% by mass or less.
• the water-in-oil emulsion cosmetic composition of the present invention is preferably a hair cosmetic composition.
• the water-in-oil emulsion cosmetic composition of the present invention contains specific component (A), specific component (B), specific component (C), and specific component (D), and the content of component (D) is 15.0% by mass or more and 50.0% by mass or less. Since the water-in-oil emulsion cosmetic composition of the present invention has the above-mentioned configuration, it can spread better than an oil-based cosmetic composition having the same properties.
• component (B) can keep hair in place.
• component (B) can provide a good moisturizing feel to the skin.
• the water-in-oil emulsion cosmetic composition of the present invention contains an oil component that is solid at 25°C and has a melting point of 65°C or more and 100°C or less, selected from the group consisting of animal and vegetable oils and hydrocarbon oils, an oil component that is liquid at 25°C and selected from the group consisting of vegetable oils and fatty acid triglycerides, a nonionic surfactant that has a linear saturated alkyl chain with 13 or more carbon atoms and an HLB value of 2.8 or more and 8.0 or less, and water.
• oil component that is solid at 25°C and has a melting point of 65°C or higher and 100°C or lower, selected from the group consisting of animal and vegetable oils and hydrocarbon oils may be referred to as “component (A).”
• oil component that is liquid at 25°C and is selected from the group consisting of vegetable oils and fatty acid triglycerides may be referred to as “component (B).”
• the water-in-oil emulsion cosmetic composition of the present invention contains component (A), component (B), component (C), and component (D).
• the content of component (D) is 15.0% by mass or more and 50.0% by mass or less.
• the water-in-oil emulsion cosmetic composition of the present invention has the above-mentioned configuration, and therefore can spread better than an oil-based cosmetic composition having the same properties.
• the water-in-oil emulsion cosmetic composition of the present invention is a hair balm, it can spread better than a conventional hair balm (oil-based cosmetic composition).
• the water-in-oil emulsion cosmetic composition of the present invention is a hair clay, it can spread better than a conventional hair clay (oil-based cosmetic composition).
• a typical oil-based cosmetic composition hardness is imparted by the formation of a specific structure in an oil component that is liquid at 25°C due to the oil component being solid at 25°C.
• the size of the above structure is relatively large, and it is considered that the spreadability cannot be sufficiently improved.
• the water-in-oil emulsion cosmetic composition of the present invention hardness is imparted by the structure formed by the oil component (component (A)) that is solid at 25°C, but the presence of the dispersed aqueous phase inhibits the formation of the above structure to some extent, and the size of the structure formed is relatively small. For this reason, the water-in-oil emulsion cosmetic composition of the present invention can spread better than oil-based cosmetic compositions having the same properties.
• water-in-oil emulsion cosmetic composition of the present invention can effectively reduce stickiness.
• water-in-oil emulsion cosmetic composition of the present invention is a hair cosmetic composition, it can keep hair in place well.
• water-in-oil emulsion cosmetic composition of the present invention is a skin cosmetic composition, it can provide a good moisturizing feeling to the skin.
• the water-in-oil emulsion cosmetic composition of the present invention also has improved applicability. Therefore, the water-in-oil emulsion cosmetic composition taken with the fingers can be easily spread on the palm, and when applied to hair or skin, the water-in-oil emulsion cosmetic composition can be easily and uniformly transferred to the hair or skin.
• water-in-oil emulsion cosmetic composition of the present invention can provide good wash-off properties.
• the water-in-oil emulsion cosmetic composition of the present invention may contain polyglyceryl polyricinoleate.
• the water-in-oil emulsion cosmetic composition of the present invention may contain a phosphate surfactant having an HLB value of more than 8.0 and not more than 12.0.
• component (F) phosphate surfactant having an HLB value of more than 8.0 and not more than 12.0
• the water-in-oil emulsion cosmetic composition of the present invention may contain a powder.
• the water-in-oil emulsion cosmetic composition of the present invention may contain other components in addition to components (A) to (G).
• component (A), component (B), component (C), component (E), component (F), component (G), and other components may each be used alone or in combination of two or more.
• solid at 25°C means a state that has no fluidity at 25°C, and includes a state that is semi-solid (paste-like, etc.) at 25°C.
• liquid at 25°C means a state that has fluidity at 25°C.
• the content of each component means the total content of all of the components contained in the water-in-oil emulsion cosmetic composition.
• the content of component (A) means the total content of all of the components (A) in the water-in-oil emulsion cosmetic composition.
• Component (A) is an oily component that is solid at 25°C (at least one oily component that is solid at 25°C) selected from the group consisting of animal and vegetable oils and hydrocarbon oils and has a melting point of 65°C or higher and 100°C or lower.
• Component (A) is an excipient.
• hair manageability can be improved. Only one type of component (A) may be used, or two or more types may be used in combination.
• component (A) the above-mentioned “animal and vegetable oil” may be referred to as “component (A1),” and the above-mentioned “hydrocarbon oil” may be referred to as “component (A2).”
• component (A) is an oil component that is solid at 25°C and has a melting point of 65°C or higher and 100°C or lower, selected from the group consisting of components (A1) and (A2).
• the melting point of component (A) is preferably 70°C or higher.
• Component (A1) is an animal or vegetable oil that is solid at 25°C and has a melting point of 65°C or higher and 100°C or lower.
• the melting point of component (A1) is preferably 70°C or higher.
• Component (A1) includes carnauba wax, sunflower seed wax, candelilla wax, rice bran wax, and hydrogenated castor oil.
• Component (A2) is a hydrocarbon oil that is solid at 25°C and has a melting point of 65°C or higher and 100°C or lower.
• the melting point of component (A2) is preferably 70°C or higher.
• component (A2) examples include microcrystalline wax, paraffin wax, polyethylene wax, ceresin, ozokerite, and synthetic wax (such as Fischer-Tropsch wax).
• component (A) contains component (A2). From the viewpoint of further increasing the durability of the styled hairstyle, it is more preferable that component (A) contains components (A1) and (A2). In this case, it is possible to further increase the shapability and to further improve the manageability of the hair.
• the content of component (A1) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, even more preferably 1.0% by mass or more, preferably 15.0% by mass or less, more preferably 10.0% by mass or less, and even more preferably 5.0% by mass or less.
• the content of component (A1) is equal to or more than the above lower limit and equal to or less than the above upper limit, the durability of the styled hairstyle can be further increased.
• stickiness can be effectively suppressed.
• the content of component (A2) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 3.0% by mass or more, more preferably 5.0% by mass or more, even more preferably 7.0% by mass or more, preferably 35.0% by mass or less, more preferably 30.0% by mass or less, and even more preferably 25.0% by mass or less.
• content of component (A2) is equal to or greater than the lower limit, shapability can be further improved and hair manageability can be further improved.
• the content of component (A2) is equal to or less than the upper limit, spreadability can be further improved.
• emulsion stability can be further improved.
• the content of component (A) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 5.0% by mass or more, more preferably 7.0% by mass or more, even more preferably 10.0% by mass or more, preferably 35.0% by mass or less, more preferably 30.0% by mass or less, and even more preferably 25.0% by mass or less.
• the content of component (A) is equal to or greater than the lower limit, the shapability can be further improved and hair manageability can be further improved.
• the content of component (A) is equal to or less than the upper limit, the spreadability can be further improved.
• the emulsion stability can be further improved.
• Component (B) is an oil component that is liquid at 25°C (at least one oil component that is liquid at 25°C) selected from the group consisting of vegetable oils and fatty acid triglycerides.
• component (B) in combination with component (A), it is possible to improve spreadability.
• component (B) it is possible to improve hair manageability.
• component (B) it is possible to impart a good moisturizing feeling to the skin. Only one type of component (B) may be used, or two or more types may be used in combination.
• component (B) the above-mentioned “vegetable oil” may be referred to as “component (B1),” and the above-mentioned “fatty acid triglyceride” may be referred to as “component (B2).”
• component (B) is an oil component that is liquid at 25°C and is selected from the group consisting of components (B1) and (B2).
• Component (B1) is a vegetable oil that is liquid at 25°C.
• Component (B1) includes avocado oil, argan oil, olive oil, rice bran oil, soybean oil, corn oil, castor oil, grape seed oil, kukui nut oil, jojoba oil, macadamia nut oil, crambe abyssinica seed oil, eucalyptus oil, coconut oil, safflower oil, palm oil, palm kernel oil, almond oil, rosehip oil, camellia oil, kiwi fruit seed oil, camellia oil, apricot kernel oil, sesame oil, soybean oil, hazelnut oil, peppermint oil, carrot oil, lavender oil, meadowfoam oil, and sunflower oil.
• Component (B2) is a fatty acid triglyceride that is liquid at 25°C.
• Component (B2) includes glyceryl tri-2-ethylhexanoate (triethylhexanoin), glyceryl tricaprylate, glyceryl tricaprate, glyceryl triundecylate, glyceryl tristearate, glyceryl triisostearate, glyceryl tripalmitate, glyceryl triundecanoate, glyceryl tri-2-heptylundecanoate, glyceryl tribehenate, glyceryl trimyristate, glyceryl trilaurate, glyceryl trioleate, glyceryl trilinoleate, and tri Glyceryl Palmitoleate, Glyceryl Triacetyl Hydroxystearate, Glyceryl Triacetyl Ricinoleate, Glyceryl Trihydroxystearate, Caprylic/Capric Triglyceride, Caprylic/Capric/Myristic/Stearic
• Component (B) preferably contains component (B2), and more preferably contains components (B1) and (B2). In this case, spreading can be made even better. Stickiness can also be further suppressed.
• the content of component (B1) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.3% by mass or more, more preferably 1.0% by mass or more, and preferably 20.0% by mass or less, more preferably 15.0% by mass or less.
• the content of component (B1) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be improved. In addition, the manageability of hair can be improved.
• the content of component (B2) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 1.0% by mass or more, more preferably 3.0% by mass or more, preferably 50.0% by mass or less, more preferably 40.0% by mass or less.
• the content of component (B2) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be improved. In addition, the manageability of hair can be improved.
• the content of component (B) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 3.0% by mass or more, more preferably 5.0% by mass or more, preferably 50.0% by mass or less, more preferably 40.0% by mass or less.
• the content of component (B) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be improved. In addition, the manageability of hair can be improved.
• Component (C) is a nonionic surfactant having a linear saturated alkyl chain with 13 or more carbon atoms and an HLB value of 2.8 or more and 8.0 or less.
• Component (C) is an emulsifier. By using component (C), a water-in-oil type emulsion cosmetic composition can be obtained. Only one type of component (C) may be used, or two or more types may be used in combination.
• Component (C) has a linear saturated alkyl chain having 13 or more carbon atoms.
• the number of carbon atoms in the linear saturated alkyl chain is preferably 15 or more, more preferably 17 or more, and preferably 23 or less. When the number of carbon atoms is equal to or more than the lower limit and equal to or less than the upper limit, the emulsification properties can be further improved.
• Component (C) preferably does not have a branched saturated alkyl chain having 13 or more carbon atoms, and also preferably does not have an unsaturated alkyl chain having 13 or more carbon atoms. It is more preferable that component (C) does not have both a branched saturated alkyl chain having 13 or more carbon atoms and an unsaturated alkyl chain having 13 or more carbon atoms.
• the HLB value of component (C) is 2.8 or more and 8.0 or less, preferably 3.0 or more, more preferably 3.2 or more, and preferably 7.0 or less, more preferably 6.0 or less.
• the HLB value is equal to or more than the lower limit and equal to or less than the upper limit, the emulsification properties of water-in-oil type can be further improved.
• component (C) examples include glycerin fatty acid esters, polyglycerin fatty acid esters, sorbitan fatty acid esters, and polyoxyethylene alkyl ethers.
• the above glycerin fatty acid esters include glyceryl behenate, glyceryl stearate, glyceryl palmitate, and glyceryl myristate.
• the above polyglycerin fatty acid esters include diglyceryl monostearate, decaglyceryl tristearate, polyglyceryl-4 pentastearate, polyglyceryl-6 pentastearate, polyglyceryl-10 pentastearate, polyglyceryl-10 decastearate, and polyglyceryl-10 hepta(behenic acid/stearic acid).
• the above sorbitan fatty acid esters include sorbitan stearate and sorbitan palmitate.
• polyoxyethylene alkyl ethers include polyoxyethylene alkyl ethers having an average addition molar number of oxyethylene of 2 or more and 5 or less and an alkyl group having carbon atoms of 14 or more and 22 or less, more specifically, POE(5) behenyl ether, POE(2) cetyl ether, and POE(2) stearyl ether.
• Component (C) preferably contains a nonionic surfactant (at least one nonionic surfactant) selected from the group consisting of sorbitan stearate, glyceryl behenate, and glyceryl stearate, and more preferably contains a nonionic surfactant (at least one nonionic surfactant) selected from the group consisting of sorbitan stearate and glyceryl behenate.
• a nonionic surfactant at least one nonionic surfactant selected from the group consisting of sorbitan stearate, glyceryl behenate, and glyceryl stearate
• the emulsification properties of the water-in-oil type can be further improved.
• nonionic surfactant selected from the group consisting of sorbitan stearate, glyceryl behenate, and glyceryl stearate may be referred to as “component (C1).”
• component (C) contains component (C1).
• the water-in-oil emulsion cosmetic composition preferably contains component (C1).
• the content of component (C1) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.5% by mass or more, more preferably 1.0% by mass or more, preferably 10.0% by mass or less, more preferably 7.0% by mass or less.
• the content of component (C1) is equal to or more than the above lower limit and equal to or less than the above upper limit, the water-in-oil emulsification properties can be further improved.
• the content of component (C) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.5% by mass or more, more preferably 1.0% by mass or more, preferably 10.0% by mass or less, more preferably 7.0% by mass or less.
• the content of component (C) is equal to or more than the above lower limit and equal to or less than the above upper limit, the water-in-oil emulsion properties can be further improved.
• Component (D) is water.
• Component (D) is preferably purified water.
• component (D) In order to form a water-in-oil emulsion system, the content of component (D) is 15.0% by mass or more and 50.0% by mass or less in 100% by mass of the water-in-oil emulsion cosmetic composition.
• the content of component (D) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 20.0% by mass or more, more preferably 25.0% by mass or more, preferably 45.0% by mass or less, more preferably 40.0% by mass or less.
• the content of component (D) is equal to or more than the above lower limit and equal to or less than the above upper limit, the emulsion stability can be further improved.
• Component (E) is polyglyceryl polyricinoleate.
• the water-in-oil emulsion cosmetic composition preferably contains component (E).
• component (E) the dispersion stability of the water-in-oil emulsion cosmetic composition can be increased. More specifically, by using component (E), the sedimentation of emulsion particles (aqueous phase) can be effectively suppressed. Therefore, the handleability and the like in the process of filling the water-in-oil emulsion cosmetic composition into a container can be improved. Only one type of component (E) may be used, or two or more types may be used in combination.
• the average number of moles of glycerin added in component (E) is preferably 2 or more, more preferably 3 or more, and preferably 10 or less, more preferably 7 or less.
• Component (E) includes polyglyceryl-3 polyricinoleate, polyglyceryl-5 polyricinoleate, and polyglyceryl-6 polyricinoleate.
• the content of component (E) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, preferably 10.0% by mass or less, more preferably 5.0% by mass or less.
• the content of component (E) is equal to or more than the above lower limit and equal to or less than the above upper limit, the dispersion stability of the water-in-oil emulsion cosmetic composition can be further improved.
• Component (F) is a phosphoric acid surfactant having an HLB value of more than 8.0 and not more than 12.0.
• the water-in-oil emulsion cosmetic composition preferably contains component (F).
• component (F) By using component (F), emulsion stability can be further improved. Only one type of component (F) may be used, or two or more types may be used in combination.
• the HLB value of component (F) is preferably 8.1 or more, more preferably 9.0 or more, and preferably 11.5 or less.
• Component (F) includes monoalkyl phosphate salts such as sodium lauryl phosphate, sodium cetyl phosphate, and diethanolamine cetyl phosphate; and polyoxyethylene alkyl ether phosphate salts such as sodium polyoxyethylene lauryl ether phosphate, sodium polyoxyethylene cetyl ether phosphate, sodium polyoxyethylene oleyl ether phosphate, sodium polyoxyethylene alkylphenyl ether phosphate, and triethanolamine polyoxyethylene alkylphenyl ether phosphate.
• monoalkyl phosphate salts such as sodium lauryl phosphate, sodium cetyl phosphate, and diethanolamine cetyl phosphate
• polyoxyethylene alkyl ether phosphate salts such as sodium polyoxyethylene lauryl ether phosphate, sodium polyoxyethylene cetyl ether phosphate, sodium polyoxyethylene oleyl ether phosphate, sodium polyoxyethylene alkylphenyl ether phosphate, and triethanolamine polyoxyethylene
• Component (F) preferably contains a phosphate surfactant (at least one phosphate surfactant) selected from the group consisting of alkyl phosphate esters and/or their salts, and polyoxyalkylene alkyl ether phosphates and/or their salts.
• a phosphate surfactant at least one phosphate surfactant selected from the group consisting of alkyl phosphate esters and/or their salts, and polyoxyalkylene alkyl ether phosphates and/or their salts.
• phosphate surfactant selected from the group consisting of alkyl phosphate esters and/or salts thereof, and polyoxyalkylene alkyl ether phosphates and/or salts thereof may be referred to as “component (F1)”
• component (F11) the above “alkyl phosphate esters and/or salts thereof”
• component (F12) the above “polyoxyalkylene alkyl ether phosphates and/or salts thereof”
• component (F) contains component (F1).
• Component (F1) is a phosphate surfactant selected from the group consisting of components (F11) and (F12).
• the water-in-oil emulsion cosmetic composition preferably contains component (F1).
• Component (F11) may be an alkyl phosphate ester, an alkyl phosphate ester salt, or both an alkyl phosphate ester and an alkyl phosphate ester salt.
• the alkyl phosphate ester is a compound in which the hydrogen atom in one or more of the three hydroxyl groups of phosphoric acid is replaced with an alkyl group.
• the alkyl phosphate ester may be a monoester, a diester, a triester, or a mixture of two or more of these.
• the number of carbon atoms in the alkyl group of the ester portion of the alkyl phosphate ester is preferably 12 or more, more preferably 14 or more, and preferably 36 or less, more preferably 30 or less, and even more preferably 22 or less.
• the alkyl group of the ester portion of the alkyl phosphate ester may be linear or branched, but is preferably linear.
• Salts in the alkyl phosphate ester salts include inorganic salts, organic amine salts, and basic amino acid salts.
• the inorganic salts include alkali metal salts such as sodium salts and potassium salts; alkaline earth metal salts such as magnesium salts and calcium salts; ammonium salts; aluminum salts; zinc salts; and the like.
• the organic amine salts include monoethanolamine salts, diethanolamine salts, and triethanolamine salts.
• Examples of the basic amino acid salts include arginine salts and lysine salts.
• Component (F11) includes lauryl phosphate, sodium lauryl phosphate, disodium lauryl phosphate, diethanolamine lauryl phosphate, triethanolamine lauryl phosphate, potassium lauryl phosphate, cetyl phosphate, potassium cetyl phosphate, triethanolamine cetyl phosphate, and diethanolamine cetyl phosphate.
• component (F11) Commercially available products of component (F11) include products under the trade name "Hostene HLP” (manufactured by Nikko Chemicals Co., Ltd.) and “Hostaphat CC” (manufactured by Clariant Japan Co., Ltd.).
• Component (F12) may be a polyoxyalkylene alkyl ether phosphate, a polyoxyalkylene alkyl ether phosphate, or both a polyoxyalkylene alkyl ether phosphate and a polyoxyalkylene alkyl ether phosphate.
• the polyoxyalkylene alkyl ether phosphate is a phosphate ester of an ether (polyoxyalkylene alkyl ether) composed of a polyoxyalkylene residue and a monovalent saturated aliphatic alcohol residue.
• ether polyoxyalkylene alkyl ether
• Examples of oxyalkylenes constituting the polyoxyalkylene residue in the polyoxyalkylene alkyl ether include oxyalkylenes having 2 to 4 carbon atoms, such as oxyethylene, oxypropylene, and oxybutylene.
• the polyoxyalkylene is preferably polyoxyethylene.
• the polyoxyalkylene may contain only one type of oxyalkylene, or may contain two or more types of oxyalkylenes.
• the monovalent saturated aliphatic alcohol residue constituting the polyoxyalkylene alkyl ether contains a monovalent saturated aliphatic hydrocarbon group.
• the monovalent saturated aliphatic hydrocarbon group include saturated aliphatic hydrocarbon groups having 10 to 36 carbon atoms (preferably 12 to 18 carbon atoms), such as lauryl, cetyl, and stearyl groups.
• the monovalent saturated aliphatic hydrocarbon group is preferably linear.
• the polyoxyalkylene alkyl ether phosphate may be a monoester, a diester, a triester, or a mixture of two or more of these.
• Salts in the polyoxyalkylene alkyl ether phosphate salt include inorganic salts, organic amine salts, and basic amino acid salts.
• examples of the inorganic salts, organic amine salts, and basic amino acid salts include the salts exemplified in the above-mentioned column for component (F11).
• Component (F12) includes polyoxyalkylene cetearyl ether phosphates such as triceteareth-4 phosphate and triceteareth-5 phosphate; polyoxyalkylene alkyl (C12-15) ether phosphates such as di(C12-15) pareth-4 phosphate, di(C12-15) pareth-6 phosphate and di(C12-15) pareth-8 phosphate; and salts thereof.
• Component (F) preferably contains a phosphate surfactant (at least one phosphate surfactant) selected from the group consisting of triceteareth-4 phosphate, triceteareth-5 phosphate, di(C12-15) phosphate-4 phosphate, and di(C12-15) phosphate-6 phosphate, and salts thereof.
• Component (F1) preferably contains a phosphate surfactant (at least one phosphate surfactant) selected from the group consisting of triceteareth-4 phosphate, triceteareth-5 phosphate, di(C12-15) phosphate-4 phosphate, and di(C12-15) phosphate-6 phosphate, and salts thereof.
• the content of component (F1) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, even more preferably 0.7% by mass or more, preferably 10.0% by mass or less, more preferably 5.0% by mass or less.
• the content of component (F1) is equal to or more than the above lower limit and equal to or less than the above upper limit, the emulsion stability can be further improved.
• the content of component (F) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, even more preferably 0.7% by mass or more, preferably 10.0% by mass or less, more preferably 5.0% by mass or less.
• the content of component (F) is equal to or more than the above lower limit and equal to or less than the above upper limit, the emulsion stability can be further improved.
• Component (G) is a powder.
• the water-in-oil emulsion cosmetic composition preferably contains component (G).
• component (G) it is possible to impart a matte texture with reduced gloss to hair and to adjust the feel of the water-in-oil emulsion cosmetic composition when used. Only one type of component (G) may be used, or two or more types may be used in combination.
• Component (G) includes clay minerals, silica (silicic anhydride), diatomaceous earth (diatomaceous earth), calcium carbonate, magnesium carbonate, aluminum oxide, barium sulfate, red iron oxide, yellow iron oxide, black iron oxide, chromium oxide, ultramarine, Prussian blue, carbon black, titanium oxide, titanium dioxide, zinc oxide, cellulose powder, and starch (such as metal salt of octenylsuccinic acid corn starch ester).
• silica silica
• diatomaceous earth diatomaceous earth
• calcium carbonate magnesium carbonate
• magnesium carbonate aluminum oxide
• barium sulfate red iron oxide, yellow iron oxide, black iron oxide, chromium oxide, ultramarine, Prussian blue
• carbon black titanium oxide, titanium dioxide, zinc oxide, cellulose powder
• starch such as metal salt of octenylsuccinic acid corn starch ester
• the clay minerals may be natural or synthetic.
• the above clay minerals include kaolin group clay minerals, antigorite group clay minerals, pyrophyllite group clay minerals, mica group clay minerals, smectite group clay minerals, vermiculite group clay minerals, chlorite group clay minerals, and organically modified clay minerals.
• the kaolin group clay minerals include kaolin, nacrite, dickite, and halloysite.
• the antigorite group clay minerals include antigorite, amesite, and cronstedite.
• the pyrophyllite group clay minerals include pyrophyllite and talc.
• the mica group clay minerals include illite, glauconite, celadonite, sericite, mica, muscovite, chrome muscovite, and biotite.
• smectite clay minerals examples include bentonite, montmorillonite, beidellite, nontonite, saponite, hectorite, and lucentite.
• vermiculite group clay minerals examples include vermiculite, etc.
• chlorite group clay minerals include chlorite (chlorite), etc.
• the above-mentioned organically modified clay minerals include organically modified clay minerals obtained by organically modifying smectite clay minerals or vermiculite clay minerals.
• a quaternary ammonium salt type cationic surfactant is preferably used.
• examples of the above-mentioned quaternary ammonium salt type cationic surfactant include alkyltrimethylammonium chloride, dialkyldimethylammonium chloride, and benzalkonium chloride.
• Component (G) preferably contains a powder (at least one powder) selected from the group consisting of kaolin, silica, diatomaceous earth, talc, and bentonite.
• a powder at least one powder selected from the group consisting of kaolin, silica, diatomaceous earth, talc, and bentonite.
• the properties of the water-in-oil emulsion cosmetic composition tend to be hard.
• component (G) contains component (G1).
• the water-in-oil emulsion cosmetic composition preferably contains component (G1).
• the content of component (G1) is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, even more preferably 0.7% by mass or more, preferably 50.0% by mass or less, more preferably 40.0% by mass or less, even more preferably 30.0% by mass or less, even more preferably 20.0% by mass or less, even more preferably 10.0% by mass or less, and particularly preferably 5.0% by mass or less.
• the content of component (G) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 0.5% by mass or more, more preferably 1.0% by mass or more, and preferably 50.0% by mass or less, more preferably 40.0% by mass or less.
• the water-in-oil emulsion cosmetic composition may contain other components in addition to the above-mentioned components (A) to (G).
• the other components include an oily component that is solid at 25° C. and different from component (A), an oily component that is liquid at 25° C.
• a surfactant anionic surfactant, cationic surfactant, nonionic surfactant, amphoteric surfactant, etc.
• a polyhydric alcohol a thickener, a moisturizer, a bactericide, a pearlizing agent, an anti-inflammatory agent, a cooling agent, a pH adjuster, a fragrance, an ultraviolet absorber, an antioxidant, a sequestering agent (chelating agent), a film-forming polymer, a colorant, a pigment, a vitamin, an amino acid, an astringent, a skin-whitening agent, an animal or plant extract, an acid, and an alkali. Only one type of each of the other components may be used, or two or more types may be used.
• the water-in-oil emulsion cosmetic composition preferably contains an oil component that is solid at 25° C. (hereinafter, may be referred to as oil component (X) that is solid at 25° C.) other than component (A).
• the oil component (X) that is solid at 25° C. is an oil component that is solid at 25° C. and has a melting point of less than 65° C. or more than 100° C.
• the oil component (X) that is solid at 25° C. is preferably an oil component that is solid at 25° C. and has a melting point of less than 65° C.
• oily components (X) that are solid at 25°C include petrolatum, stearyl alcohol, shea butter, mango butter, astrocaryum murumuru seed butter, and beeswax.
• the water-in-oil emulsion cosmetic composition preferably contains an oil component that is liquid at 25° C. and different from component (B) (hereinafter, may be referred to as oil component (X) that is liquid at 25° C.)
• oil component (X) that is liquid at 25° C. is an oil component that is liquid at 25° C. and different from both vegetable oils and fatty acid triglycerides.
• hydrocarbon oils that are liquid at 25°C
• hydrocarbon oils include ⁇ -olefin oligomers, squalane (synthetic squalane, vegetable squalane), squalene, liquid isoparaffin, liquid paraffin (mineral oil), (C13-15) alkanes, hydrogenated polyisobutene, hydrogenated polydecene, light isoparaffin (isododecane), light liquid isoparaffin, and liquid isoparaffin.
• silicone oils include methylpolysiloxane, methylphenylsiloxane, highly polymerized methylpolysiloxane, poly(oxyethylene-oxypropylene)methylpolysiloxane copolymer, cyclopentasiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, polyoxyethylene-methylpolysiloxane copolymer, aminoethylaminopropylmethylsiloxane-dimethylpolysiloxane copolymer, and dimethiconol.
• ester oils examples include isononyl isononanoate, isopropyl myristate, ethylhexyl palmitate (octyl palmitate), cetyl ethylhexanoate, isodecyl isononanoate, hexyl laurate, isoamyl laurate, diisobutyl adipate, ethylhexyl isononanoate (octyl isononanoate), isodecyl isononanoate, octyldodecyl myristate, diethylhexyl succinate, octyldodecyl oleate, octyldodecyl isostearate, diisostearyl malate, diethylhexyl sebacate, pentaerythritol tetra
• the water-in-oil type emulsion cosmetic composition preferably contains a small amount of a hydrophilic surfactant having an HLB value of more than 12.0 (hereinafter, sometimes referred to as hydrophilic surfactant (X)).
• the water-in-oil type emulsion cosmetic composition preferably does not contain a hydrophilic surfactant (X) or contains a content of 3.0 mass% or less.
• the content of the hydrophilic surfactant (X) in 100 mass% of the water-in-oil type emulsion cosmetic composition is preferably 3.0 mass% or less, more preferably 2.0 mass% or less, and even more preferably 1.0 mass% or less.
• the content of the hydrophilic surfactant (X) is greater than the content of the surfactant having an HLB value of 12.0 or less in the water-in-oil type emulsion cosmetic composition, it may be impossible to maintain the water-in-oil type emulsion composition.
• the method for producing the water-in-oil emulsion cosmetic composition is not particularly limited, and any known method for producing a water-in-oil emulsion cosmetic composition can be used.
• Examples of the method for producing the water-in-oil emulsion cosmetic composition include a method in which the components are mixed and emulsified while being heated to obtain a mixed liquid, and then the resulting mixed liquid is cooled and solidified.
• Examples of the method for mixing the components include a method using a stirring device such as a disper mixer or a paddle mixer.
• the water-in-oil emulsion cosmetic composition can be used, for example, in a form filled in a container.
• the container include a tube container, a dispenser container (pump container), a jar container, and a dispensing container.
• the container is preferably a jar container.
• the uses of the water-in-oil emulsion cosmetic composition are not particularly limited.
• Examples of uses of the water-in-oil emulsion cosmetic composition include hair cosmetics such as hair styling agents and after-bath treatment agents; and skin cosmetics such as moisturizing cosmetics (for hands, body, face, scalp, etc.).
• the water-in-oil emulsion cosmetic composition is, for example, a hair cosmetic composition or a skin cosmetic composition.
• the water-in-oil emulsion cosmetic composition is preferably a hair cosmetic composition since it has the property of improving hair manageability.
• the water-in-oil emulsion cosmetic composition may be a skin cosmetic composition since it has the property of imparting a moisturizing feel to the skin.
• the water-in-oil emulsion cosmetic composition may be a cosmetic composition that can be used in combination as both a hair cosmetic and a skin cosmetic. As described above, in addition to being used by applying it to hair as a hair cosmetic, the water-in-oil emulsion cosmetic composition can also be used by applying it to the skin for the purpose of moisturizing, etc.
• the properties of the water-in-oil type emulsion cosmetic composition are not particularly limited.
• the properties of the water-in-oil type emulsion cosmetic composition may be gel-like, balm-like, clay-like, solid, or other properties.
• the properties of the water-in-oil type emulsion cosmetic composition are preferably balm-like or clay-like.
• the water-in-oil type emulsion cosmetic composition is preferably a balm-like water-in-oil type emulsion cosmetic composition (so-called hair balm), and is also preferably a clay-like water-in-oil type emulsion cosmetic composition (so-called hair clay).
• balm-like water-in-oil emulsion cosmetic composition and the clay-like water-in-oil emulsion cosmetic composition.
• the content of component (B1) is preferably 0.3% by mass or more, more preferably 1.0% by mass or more, even more preferably 2.0% by mass or more, preferably 15.0% by mass or less, more preferably 10.0% by mass or less.
• the content of component (B1) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be improved. In addition, the manageability of hair can be improved.
• the content of component (B2) in 100% by mass of the above water-in-oil emulsion cosmetic composition is preferably 5.0% by mass or more, more preferably 10.0% by mass or more, even more preferably 15.0% by mass or more, preferably 50.0% by mass or less, more preferably 40.0% by mass or less.
• the content of component (B2) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spread can be made even better. In addition, the manageability of hair can be made even better.
• the content of component (B) in 100% by mass of the above water-in-oil emulsion cosmetic composition is preferably 5.0% by mass or more, more preferably 10.0% by mass or more, even more preferably 15.0% by mass or more, preferably 50.0% by mass or less, more preferably 40.0% by mass or less.
• the content of component (B) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spread can be improved even more. In addition, the manageability of hair can be improved even more.
• the content of oily components that are liquid at 25°C selected from the group consisting of component (B) and ester oils other than component (B), hydrocarbon oils, and silicone oils is preferably 15.0% by mass or more, more preferably 30.0% by mass or more, even more preferably 35.0% by mass or more, preferably 70.0% by mass or less, and more preferably 60.0% by mass or less.
• the content of the oily components that are liquid at 25°C is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be made even better. In addition, the manageability of hair can be made even better.
• oil component that is liquid at 25°C and is selected from the group consisting of component (B), ester oils other than component (B), hydrocarbon oils, and silicone oils is, in other words, "oil components that are liquid at 25°C and are selected from the group consisting of vegetable oils, fatty acid triglycerides, ester oils other than vegetable oils, ester oils other than fatty acid triglycerides, hydrocarbon oils, and silicone oils.”
• the content of component (B1) is preferably 0.3% by mass or more, more preferably 1.0% by mass or more, and preferably 20.0% by mass or less, more preferably 15.0% by mass or less.
• the content of component (B1) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be improved. In addition, the manageability of hair can be improved.
• the content of component (B2) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 1.0% by mass or more, more preferably 2.0% by mass or more, preferably 30.0% by mass or less, more preferably 20.0% by mass or less.
• the content of component (B2) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be improved. In addition, the manageability of hair can be improved.
• the content of component (B) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 3.0% by mass or more, more preferably 5.0% by mass or more, preferably 30.0% by mass or less, more preferably 25.0% by mass or less.
• the content of component (B) is equal to or more than the above lower limit and equal to or less than the above upper limit, the spreadability can be improved. In addition, the manageability of hair can be improved.
• the content of the oily component liquid at 25°C selected from the group consisting of component (B), ester oils other than component (B), hydrocarbon oils, and silicone oils is preferably 5.0% by mass or more, more preferably 10.0% by mass or more, preferably 30.0% by mass or less, and more preferably 25.0% by mass or less.
• the content of the oily component liquid at 25°C is equal to or more than the above lower limit and equal to or less than the above upper limit, the spread can be improved. In addition, the manageability of hair can be improved.
• oil liquid at 25°C selected from the group consisting of component (B), ester oils other than component (B), hydrocarbon oils, and silicone oils is, in other words, "oily component liquid at 25°C selected from the group consisting of vegetable oils, fatty acid triglycerides, ester oils other than vegetable oils, ester oils other than fatty acid triglycerides, hydrocarbon oils, and silicone oils.”
• the water-in-oil emulsion cosmetic composition (clay-like water-in-oil emulsion cosmetic composition) preferably contains component (G).
• component (G) the properties of the water-in-oil emulsion cosmetic composition can be made hard. From the viewpoint of imparting a matte (matte) texture in addition to the effect of making the properties of the water-in-oil emulsion cosmetic composition hard, it is preferable that component (G) contains component (G1). Therefore, the water-in-oil emulsion cosmetic composition (clay-like water-in-oil emulsion cosmetic composition) preferably contains component (G1).
• the content of component (G) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 5.0% by mass or more, more preferably 10.0% by mass or more, preferably 50.0% by mass or less, more preferably 40.0% by mass or less.
• the properties of the water-in-oil emulsion cosmetic composition can be hard.
• the content of component (G1) in 100% by mass of the water-in-oil emulsion cosmetic composition is preferably 5.0% by mass or more, more preferably 10.0% by mass or more, preferably 50.0% by mass or less, more preferably 40.0% by mass or less.
• the properties of the water-in-oil emulsion cosmetic composition can be hard.
• Component (A) Carnauba wax (melting point: 88°C) Sunflower seed wax (melting point: 78°C) Rice bran wax (melting point: 78°C) Candelilla wax (melting point: 70°C) Microcrystalline wax 1 ("HI-MIC1090” manufactured by Nippon Seiro Co., Ltd., melting point: 88°C) Microcrystalline wax 2 ("MULTIWAX W-835" manufactured by Sonneborn, melting point: 76°C) Paraffin wax 1 (melting point: 73°C)
• Component (B) Glyceryl tri-2-ethylhexanoate, tri(caprylic/capric acid)glyceryl, castor oil, crambe abyssinica seed oil, argan oil, jojoba oil
• Examples 1 to 17 and Comparative Examples 1 to 5 The ingredients shown in Tables 1 to 5 below were blended (blending units are mass%), and each ingredient was mixed and emulsified while heating to prepare a mixed liquid. 50 g of the obtained mixed liquid was poured into a jar container (cylindrical, bottom diameter 45 mm, height 45 mm). After pouring, the mixed liquid was allowed to stand for 24 hours to cool and solidify, thereby preparing a water-in-oil emulsion cosmetic composition. The blend amounts in the tables (blending amounts in 100% by mass of the water-in-oil emulsion cosmetic composition) are shown as the blend amounts of pure components (unit: mass%).
• the water-in-oil emulsion cosmetic compositions prepared in Examples 1 to 10 were balm-like water-in-oil emulsion cosmetic compositions (hair balm), and the water-in-oil emulsion cosmetic compositions prepared in Examples 11 to 17 were clay-like water-in-oil emulsion cosmetic compositions (hair clay).
• the water-in-oil emulsion cosmetic composition prepared in Comparative Example 1 was a cosmetic composition with properties different from either a balm or a clay.
• Comparative Examples 2 and 3 the compositions could not be emulsified, so further evaluations were not performed.
• Comparative Examples 4 and 5 the compositions could not be emulsified into water-in-oil type, and oil-in-water emulsion cosmetic compositions were obtained, so evaluations other than those of Test Example 3 were not performed.
• the obtained water-in-oil emulsion cosmetic compositions were evaluated for their good spreadability in comparison with oil-based cosmetic compositions having the same properties. That is, the water-in-oil emulsion cosmetic compositions (hair balm) prepared in Examples 1 to 10 were compared with the oil-based cosmetic composition (hair balm) prepared in Comparative Example 1. In addition, the water-in-oil emulsion cosmetic compositions (hair clay) prepared in Examples 11 to 17 were compared with the oil-based cosmetic composition (hair clay) prepared in Comparative Example 2. The water-in-oil emulsion cosmetic composition prepared in Comparative Example 1 was compared with the oil-based cosmetic composition (hair balm) prepared in Comparative Example 1.
• Test Example 3 Stickiness
• the wigs were touched with their hands immediately after styling in Test Example 2.
• the wigs whose hair had been styled using the water-in-oil emulsion cosmetic compositions obtained in the Examples did not feel sticky.
• the wigs whose hair had been styled in the same manner as Test Example 2 using the oil-in-water emulsion cosmetic compositions obtained in Comparative Examples 4 and 5 were touched with their hands, they felt sticky.
• Test Example 4 Moisturizing Feeling After styling the hair in Test Example 2, the water-in-oil emulsion cosmetic composition remaining on the palm was spread over the back of the hand.
• the water-in-oil emulsion cosmetic composition obtained in the Example provided a moist and pleasant moisturizing sensation.

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