WO2004098544A9 - 自己乳化型油性液状化粧料 - Google Patents
自己乳化型油性液状化粧料Info
- Publication number
- WO2004098544A9 WO2004098544A9 PCT/JP2004/006469 JP2004006469W WO2004098544A9 WO 2004098544 A9 WO2004098544 A9 WO 2004098544A9 JP 2004006469 W JP2004006469 W JP 2004006469W WO 2004098544 A9 WO2004098544 A9 WO 2004098544A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- component
- self
- fatty acid
- polyglycerin
- emulsifying
- Prior art date
Links
Classifications
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- 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
- A61Q19/10—Washing or bathing preparations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/14—Preparations for removing make-up
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- 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 a self-oiling type oily liquid cosmetic based on a specific polyglycerin fatty acid ester and an oily component.
- Self-emulsifying oily liquid cosmetics are those that invert the phase by contacting with water to produce an oil-in-water emulsion.
- Typical examples of self-emulsifying oily liquid cosmetics are cleansing cosmetics and baths. There are cosmetics.
- cleansing cosmetics for example, water-based, oil-based, polyhydric alcohol-based, liquid crystal-based surfactant-based, gel-like, and cream-like formulations.
- oil-based liquid cleansing cosmetics are known to have the best detergency because of their excellent compatibility with the oil-based components of the products.
- the most circulating products (cleansing cosmetics) on the market are self-emulsifying oils consisting of a mixture of oil'f produced and a surfactant. This product has the property of rapidly inverting phase when it comes into contact with water.
- the stains are transferred (dissolved) into the oily components by blending the stains with the cleansing cosmetics and makeup.
- an oil-in-water emulsion of an oily component containing dirt can be formed, and the emulsion can be poured directly into water to remove makeup and dirt.
- a surfactant “I” raw material having a high concentration of 8 to 30% by mass in order to rapidly self-emulsify when contacted with water.
- Common surfactants used in self-emulsifying oily liquid cosmetics include polyoxyethylene sorbitan branched fatty acid esters, polyethylene glycol branched fatty acid esters, and polyoxyethylene branched alkyl ethers. Have been.
- polyoxyethylene surfactant surfactants have been known to have safety concerns. This self-emulsifying oily liquid cleansing cosmetic containing a high concentration of a polyoxyethylene surfactant can be applied directly to the skin to prevent problems such as strong tingling after washing and skin problems. Because of the possibility of safety, there was concern about safety. Another drawback of polyoxyethylene surfactants is that they have extremely poor taste and odor when mixed into the mouth. For this reason, discomfort was remarkable when used on the face, particularly in the case of cleansing cosmetics having many opportunities to be mixed into the mouth when dropping lipstick or the like.
- Japanese Patent Application Laid-Open No. 58-185,337 discloses a cosmetic using a polyglycerin fatty acid ester. Is disclosed.
- Polyglycerol fatty acid ester is a surfactant that is highly safe, does not cause any discomfort in flavor, and is widely used in foods.
- many polyglycerin fatty acid esters that are generally distributed are difficult to dissolve in oily components.
- the composition has poor dispersibility in water and does not self-emulsify. Therefore, such self-emulsifying oil-based cleansing cosmetics composed of polyglycerol fatty acid esters and oily components have problems in terms of solubility (they do not easily dissolve in oil ffe components) and the storage stability of products (cleansing cosmetics). Gets worse.
- bath cosmetics are often used in bathing to prevent rough skin, cracks and irritations, and to improve skin condition.
- Bath cosmetic formulations include bath salts, bath oils, crude drugs and the like.
- self-emulsifying oil-based bath oil-type products consisting of a mixed system of an oily component and a surfactant are self-emulsifying in bath water when placed in bath water, and the fine oily components are evenly distributed in the hot water. It can be expected to have various improving effects such as emollient, moisturizing property, anti-inflammation, warm bath, etc. which are dispersed and have oily components.
- polyglycerin fatty acid esters are rarely used as surfactants in self-emulsifying oil-based bath cosmetics, and even when incorporated, they are only used as emulsifying aids.
- the present invention solves the above problems, has excellent storage stability without concern for safety to the human body, and has excellent dispersibility in water due to easy self-emulsification, and also has a good feeling in use. And a self-emulsifying oily liquid cosmetic. Disclosure of the invention
- the self-emulsifying oily wavy cosmetic according to the first aspect of the present invention is composed of 8 to 30% by mass of the following component A and 50 to 92% by mass of component B.
- Component A a hydroxyl value of 450 to 700, and 50 to 100% by mass of all the constituent fatty acid residues are branched fatty acid residues having 16 to 18 carbon atoms and / or 16 to 16 carbon atoms. 18 straight chain unsaturation
- the total composition ratio of the dimer and trimer polyglycerol cyclics in the polyglycerin constituting the polydaricerin fatty acid ester is 0 to 100% of the total polyglycerin.
- the total composition ratio of polyglycerin of 3% or more than 11-mer is 10 to 30% of the total polyglycerin, and the composition ratio of polyglycerin of 4 to 10-mer is 4 to 20 of the total polyglycerin.
- % Component B oily component.
- the self-emulsification oily liquid cosmetic is used as a cleansing cosmetic, the oily component power does not remain on the skin, so that the generation of dimples and breakouts due to the remaining oily component can be eliminated.
- the self-emulsifying oily liquid cosmetic can be applied to cosmetics (including quasi-drugs) such as cosmetic oil, hair cleansing, pine surge oil, or hair treatment, and pharmaceuticals.
- the branched fatty acid residue having 16 to 18 carbon atoms is an isostearic acid residue, and the linear chain having 16 to 18 carbon atoms.
- the unsaturated fatty acid residue may be an oleic acid residue. In this case, the storage stability of the self-emulsifying oily liquid cosmetic at high temperatures is further improved.
- the amount of water may be 0 to 2% by mass. In this case, a decrease in storage stability is suppressed, and a gel-like state is not obtained, and excellent water dispersibility can be obtained.
- water may not be blended. In this case, excellent storage stability and water dispersibility can be obtained.
- the self-emulsifying oily liquid cosmetic composition according to the first aspect of the present invention has a property that the electric conductivity at 25 ° C. is 0.1 iSZ cm or less and that it is uniformly dissolved and dispersed in a hydrocarbon solvent. May have.
- the oil in the self-emulsifying type oily liquid cosmetic is an oily cosmetic having a continuous phase, and has excellent compatibility with oily components.
- the blending amount of the hydrocarbon oil in the oily component of the component B is less than 10% by mass of the self-emulsifying oily liquid cosmetic. It may be.
- the self-emulsifying oily liquid cosmetic has excellent dispersibility in water and can be easily self-emulsified.
- the self-emulsifying oily liquid cosmetic according to the first embodiment of the present invention may be a cleansing cosmetic.
- the oil component does not remain on the skin. For this reason, it is possible to eliminate the occurrence of pimples and puffs due to the remaining oily components. Also, it is very well compatible with cosmetics, and is excellent in removing makeup stains. There is no sticky or squeaky feeling after washing, no slimy feeling when washing off, easy rinsing, and good usability.
- the self-emulsifying oily liquid cosmetic according to the first embodiment of the present invention may be a bath cosmetic.
- the self-emulsifying oily liquid cosmetic composition according to the second embodiment of the present invention comprises 10 to 25% by mass of the following component A and 65 to 85% by mass of component B.
- Component A a hydroxyl value of 450 to 700, and 50 to 100% by mass of all constituent fatty acid residues is a branched fatty acid residue having 16 to 18 carbon atoms and Z or 16 or more carbon atoms.
- a polyglycerin fatty acid ester which is a linear unsaturated fatty acid residue of L8, and among polyglycerol constituting the polyglycerin fatty acid ester, a dimer and a trimer of a polyglycerin cyclic product
- Total composition ratio of 0 to 3% of total polyglycerin, total composition ratio of polymeric glycerin of at least 11-mer is 10 to 30% of total polyglycerin, and composition ratio of polyglycerin of 4- to 10-mer Is 4 to 20% of the total polyglycerin.
- Component B Oily component.
- self-emulsification is easy with excellent dispersibility in water, and storage stability is good. Further, when this self-emulsifying oily liquid cosmetic is used as a cleansing cosmetic, the oily component does not remain on the skin, so that generation of dimples and pimple due to the remaining oily component can be eliminated.
- self-emulsifying oily liquid cosmetics include cosmetics (including quasi-drugs) such as cosmetic oils, hair cleansing, pine surge oil, or hair treatments, and pharmaceuticals. It can also be applied to goods.
- lecithin may be further blended in an amount of 1 to 10% by mass based on the blending amount of the component A.
- the self-emulsifying properties of the self-emulsifying oily liquid cosmetic can be further improved.
- the amount of water may be 0 to 2% by mass. In this case, a decrease in storage stability f production is suppressed, and a gel is not formed, and excellent water dispersibility can be obtained.
- the self-emulsifying oily liquid cosmetic according to the second aspect of the present invention may not contain water. In this case, excellent storage stability and dispersibility are obtained.
- the self-emulsifying oily liquid cosmetic composition according to the second aspect of the present invention has a property that the electric conductivity at 25 ° C. is 0.1 iSZ cm or less and that it is uniformly dissolved and dispersed in a hydrocarbon solvent. May have.
- the oil in the self-emulsifying oily liquid cosmetic is an oily cosmetic having a continuous phase, and has excellent compatibility with oily components.
- the blending amount of the hydrocarbon oil in the oily component of the component B is less than 10% by mass of the self-emulsifying oil / the raw liquid cosmetic. It may be.
- the self-emulsifying oily liquid cosmetic has excellent dispersibility in water and can be easily self-emulsified.
- the self-emulsifying oily liquid cosmetic according to the second aspect of the present invention may be a cleansing cosmetic.
- the oil component does not remain on the skin. For this reason, it is possible to eliminate the occurrence of pimples and puffs due to the remaining oily components.
- it is very well compatible with chemical materials and is excellent in removing makeup stains. There is no sticky or squeaky feeling after washing, no slimy feeling when washing off, easy rinsing, and good usability.
- the self-emulsifying oily liquid cosmetic according to the second aspect of the present invention may be a bath cosmetic.
- the self-emulsifying oily liquid cosmetic according to the third aspect of the present invention comprises: 8 to 30% by mass of the following component A, 65 to 90% by mass of component B, and component C power. Against 0.1 to 100% by mass.
- Component A a hydroxyl value is 550 to 700, and 50 to 100% by mass of all constituent fatty acid residues is a branched fatty acid residue having 16 to 18 carbon atoms and Z or 16 to carbon atoms.
- Polyglycerol fatty acid ester which is a linear unsaturated fatty acid residue of L8, wherein polyglycerol constituting the polyglycerol fatty acid ester, the total composition of dimeric and trimerized cyclic polyglycerols The proportion is 0 to 3% of the total polyglycerin, the total composition ratio of polyglycerin of 11 or more is 10 to 30% of the total polyglycerin, and the composition ratio of 4 to 10-mer polydaricerin is Polyglycerin fatty acid ester that accounts for 4 to 20% of the total polyglycerin.
- Component B oily component.
- Component C Polyhydric alcohol butter having a hydroxyl value of 100 to 500 JI ester (excluding component A) and / or a polyhydric alcohol alkyl ether having a hydroxyl value of 100 to 500 .
- the self-emulsification oily liquid cosmetic is used as a cleansing cosmetic, the oily component does not remain on the skin, so that generation of dimples and pimple due to the remaining oily component can be eliminated.
- the self-emulsifying oily liquid cosmetic can be applied to cosmetics (including quasi-drugs) such as cosmetic oil, hair cleansing, pine surge oil, or hair treatment, and pharmaceuticals.
- the amount of water may be 0 to 2% by mass. In this case, the storage stability can be reduced, and the composition does not form a gel, and excellent water dispersibility can be obtained.
- the self-emulsifying oily liquid cosmetic according to the third aspect of the present invention may not contain water. In this case, excellent storage stability and water dispersibility can be obtained.
- the self-emulsifying oily liquid cosmetic composition according to the third aspect of the present invention has a property that the electric conductivity at 25 ° C. is 0.1 SZ cm or less, and that it is uniformly dissolved and dispersed in a hydrocarbon mixture. May be provided.
- the oil in the self-emulsifying oily liquid cosmetic is an oily cosmetic having a continuous phase, and has excellent compatibility with oily components.
- the compounding amount of the hydrocarbon oil in the oily component of the component B is less than 10% by mass of the self-emulsifying oily liquid cosmetic. You may.
- the self-emulsifying oily liquid cosmetic has excellent dispersibility in water and can be easily self-emulsified.
- the self-emulsifying oily liquid cosmetic according to the third aspect of the present invention may be a cleansing cosmetic.
- the oil component does not remain on the skin. For this reason, it is possible to eliminate the occurrence of acne and pimple due to the remaining oily components. Also, it is very well compatible with cosmetics, and is excellent in removing makeup stains. No stickiness or squeaky feeling after washing, no slimy feeling when washing off, easy rinsing, and good feeling of use.
- the self-emulsifying oil-based liquid cosmetic composition according to the third embodiment of the present invention may be a bath cosmetic composition.
- the self-emulsifying oily liquid cosmetic according to the fourth aspect of the present invention comprises: 10 to 25% by mass of the following component ⁇ , 65 to 85% by mass of component B, and The amount is 1 to 100% by mass based on the amount.
- Component A having a hydroxyl value of 550 to 700, and 50 to 100% by mass of all constituent fatty acid residues having 16 to 16 carbon atoms: a branched fatty acid residue having L8 and Z or having 16 or more carbon atoms.
- polyglycerol fatty acid esters which are linear unsaturated fatty acid residues from 1 to 18, wherein polyglycerol constituting the polyglycerol fatty acid ester, the total composition of dimeric and trimer cyclic polyglycerols 0 to 3% of the total polyglycerin, 11 to 30% of the total polyglycerin composition ratio of polyglycerin and 11 to 30% of the total polyglycerin, and 4 to 10% polyglycerin composition ratio Is a polyglycerol fatty acid ester whose content is 4 to 20% of the total polyglycerin.
- Component B oily component.
- Component C a polyhydric alcohol fatty acid ester having a hydroxyl value of 100 to 500 (excluding component A) and Z or a polyhydric alcohol alkyl ether having a hydroxyl value of 100 to 500.
- this self-emulsifying oily liquid cosmetic is used as a cleansing cosmetic, the oily component does not remain on the skin, so that generation of dimples and pimple due to the remaining oily component can be eliminated.
- the self-emulsifying oily liquid cosmetic can be applied to cosmetics (including quasi-drugs) and pharmaceuticals such as cosmetic oil, hair cleansing, pine surge oil, or hair treatment.
- lecithin may be further blended in an amount of 1 to 10% by mass based on the blending amount of the component A.
- the self-emulsifying properties of the self-emulsifying oily liquid cosmetic can be further improved.
- the blending amount of water may be 0 to 2% by mass. In this case, the lowering power S of the storage stability is suppressed, and a gel is not formed, and excellent water dispersibility is obtained.
- the self-emulsifying oily liquid cosmetic according to the fourth aspect of the present invention may not contain water. In this case, excellent storage stability and water dispersibility S can be obtained.
- the self-emulsifying oily liquid cosmetic composition according to the fourth aspect of the present invention has a property that the electric conductivity at 25 ° C is 0.1 l ⁇ SZ cm or less and that it is uniformly dissolved and dispersed in a hydrocarbon solvent. May have.
- the oil in the self-emulsifying oily liquid cosmetic is an oily cosmetic having a continuous phase, and has excellent compatibility with oily components.
- the compounding amount of the hydrocarbon oil in the oily component of the component B is less than 10% by mass of the self-emulsifying oily liquid cosmetic. May be.
- the self-emulsifying oily liquid cosmetic has excellent dispersibility in water and can be easily self-emulsified.
- the self-emulsifying oily liquid cosmetic according to the fourth aspect of the present invention may be a cleansing cosmetic.
- the oil component does not remain on the skin. For this reason, it is possible to eliminate the occurrence of pimples and puffs due to the remaining oily components. Also, it is very well compatible with cosmetics, and is excellent in removing makeup stains. There is no sticky or squeaky feeling after washing, no slimy feeling when washing off, easy rinsing, and good usability.
- the self-emulsifying oily liquid cosmetic according to the fourth aspect of the present invention may be a bath cosmetic.
- Component A used in the present invention is a polyglycerin fatty acid ester, and has a hydroxyl value of 450 to 700, preferably 500 to 65, more preferably 55 to 65. It is. As a result, a self-emulsifying oily liquid cosmetic having excellent self-emulsifying properties can be obtained.
- the self-emulsifying type oily liquid cosmetic has low self-emulsifying properties, so that the dispersibility in water is poor.
- the hydroxyl value is more than 700, the solubility of the polyglycerol fatty acid ester in the oily component is poor.
- the hydroxyl value is smaller than 450 or larger than 700, the purpose as a self-emulsifying oil-free liquid cosmetic cannot be achieved.
- the hydroxyl value is determined by calculating the number of mg of hydroxylating power required to neutralize acetic acid necessary for acetylating free hydroxyl groups contained in 1 g of a sample, based on a standard fat and oil analysis test method. Can be measured.
- 16 to 18 branched fatty acid residues and / or 16 to 16 carbon atoms are linear unsaturated fatty acid residues having L8.
- the branched fatty acid residue having 16 to 18 carbon atoms may be either a branched saturated fatty acid or a branched unsaturated fatty acid, but is preferably a branched saturated fatty acid.
- Polydaricerin fatty acid esters in which 50 to 100% by mass of all the constituent fatty acid residues are straight-chain saturated fatty acid residues having 16 to 18 carbon atoms are not suitable because they do not become liquid at room temperature or low temperature.
- the self-emulsifying type oily liquid cosmetic composition is not suitable because the self-emulsifiability thereof is reduced.
- the polyglycerol fatty acid ester becomes insoluble in the oil component, which is inappropriate.
- isostearic acid residues (16-methylheptadecanoyl group, 15-methylheptadecanoyl group, 10-methylheptadecanoyl group, hyperbranched isostearin Acid residue), isopalmitic acid residue (14-methylpentadecanoyl group) and the like.
- an isostearic acid residue is preferable, and a 16-methylheptanecanoyl group is more preferable.
- linear unsaturated fatty acid residue having 16 to 18 carbon atoms examples include unsaturated monohydroxy acid residues such as oleic acid residues, palmito oleic acid residues, and ricinoleic acid residues.
- unsaturated monohydroxy acid residues such as oleic acid residues, palmito oleic acid residues, and ricinoleic acid residues.
- oleic acid residues are preferred.
- Mixed fatty acid residues derived from palm oil and the like containing 50% by mass or more of oleic acid residues are also included in this.
- the total composition ratio of the dimer or trimer polydaricerin cyclic substance needs to be 0 to 3%, and more preferably 0 to 2%. The most preferred is 0-1%. Because, when the total composition ratio of the dimer or trimer polyglycerin cyclic product is more than 3%, the self-emulsifiability of the self-milky liquid cosmetic is low, and the dispersibility in water is deteriorated. This is because sometimes separation occurs.
- the total composition ratio of the polyglycerin of 11 or more is required to be 10 to 30%, and more preferably 12 to 2%. 8%, most preferably 15-26%. This is because when the total composition ratio of polyglycerin of 11 or more is out of the range of 10 to 30% (less than 10% or more than 30%), the self-emulsifying oily liquid cosmetic is used. This is because the self-emulsifying property is low and the dispersibility in water is deteriorated.
- the composition ratio of the 4- to 10-mer polyglycerin is 4 to 20%, more preferably 4 to 15%, and most preferably 5 to 12%. This is because when the composition ratio of the 4 to 10-mer polyglycerin is out of the range of 4 to 20% (less than 4% or more than 20%), the self-emulsifying oily liquid Poor water solubility and poor water dispersibility, causing separation during storage;
- a monomer (glycerin) may be included as the polyglycerin constituting the polydaricerin fatty acid ester of the component A.
- the composition ratio of the dimeric and trimer polyglycerol acyclic substances there is no particular limitation on the composition ratio of the dimeric and trimer polyglycerol acyclic substances.
- a method for measuring the composition ratio of polyglycerin a method in which polyglycerin is used as a polyglycerin derivative and this polyglycerin derivative is separated and quantified by GC (gas chromatography) is suitable.
- the analysis by the GC method uses a fused silica cavity tube in which a low-polarity liquid phase such as methyl silicon is chemically bonded, for example, at a temperature range of 100 ° C to 250 ° C.
- a method of performing a temperature rise analysis at a temperature rise rate of 10 min By this method, the composition ratio can be easily analyzed.
- other methods described below are also included.
- a gas chromatograph is introduced into a double-focusing mass spectrograph, and ionized by a method such as chemical ionization to measure.
- a method such as chemical ionization to measure.
- the molecular weight of the peak on the gas chromatogram is determined from the molecular weight of the parent ion, and the degree of polymerization of glycerin is determined from the chemical formula.
- the composition ratio can be easily analyzed. However, it is not limited to these methods.
- the blending amount of the component A in the self-emulsifying oily liquid cosmetic of the present invention is 8 to 30% by mass, preferably 10 to 25% by mass, and most preferably 12 to 20% by mass. . This is because if the amount of component A is less than 8% by mass, self-emulsification is poor, and if it is more than 30% by mass, dispersibility in water becomes poor.
- the polyglycerol constituting the polyglycerin fatty acid ester of the component A may have the above-mentioned composition ratio.
- those produced by dehydration condensation or a synthesis and purification method using known epichlorohydrin glycidol as a starting material can be applied, and commercially available products can be used.
- Commercial products include, for example, Great Oil D-10, Great Oil D-11, Great Oil D-12, etc., manufactured by Taiyo Kagaku Co., Ltd. I can get lost.
- the oil component of the component B used in the present invention is usually a liquid or paste oil component which can be used in cosmetics as a main component.
- component B include natural animal and vegetable fats and oils, semi-synthetic fats and oils, hydrocarbon oils, higher fatty acids, ester oils, glyceride oils, silicone oils, essential animal and vegetable and synthetic essential oil components, and fat-soluble vitamins. One or more of these can be used.
- natural animal and vegetable oils and fats and semi-synthetic oils include apogado oil, linseed oil, almond oil, olive oil, wheat germ oil, sesame oil, rice germ oil, rice bran oil, safflower oil, soybean oil, Evening primrose oil, corn oil, rapeseed oil, horse fat, palm oil, palm kernel oil, castor oil, castor oil, jojoba oil, macadamia nut oil, coconut oil, hardened coconut oil, peanut oil, lanolin, etc. One or more of these can be used.
- hydrocarbon oil examples include squalane, squalene, liquid paraffin, and petrolatum.
- Ester oils include diisobutyl adipate, 2-hexyldecyl adipate, di-2-heptyl pendecyl adipate, isostearyl isostearate, trimethylolpropane triisostearate, cetyl 2-ethyl cetyl, and di-2-ethyl Neopentyldaricol hexanoate, trimethylolpropane tri-2-ethylhexanoate, pen-tetra-1-ethylhexanoate, erythritol, cetyl octanoate, oleic acid oleyl, octyldodecyl oleate, decyl oleate, dicaprin Neopentyl glycolate, 2-ethylhexyl succinate, isosetyl stea
- glyceride oils include glyceryl triisostearate, glyceryl triisopalmitate, glyceryl tri-2-ethylhexanoate, glyceryl tritetradecanoate, glyceryl diparamethoxy cake and glyceryl monoisooctylate.
- silicone oils examples include dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, octamethylcyclopentylsiloxane, decamethylcyclohexasiloxane, high-grade alkoxy-modified silicones such as stearoxysilicone, and alkyl-modified silicone.
- higher fatty acid ester-modified silicones and fat-soluble bimins include tocopherol and its derivatives, retinol and its derivatives, and the like.
- the oil component as Component B used in the present invention is not limited to the specific examples described above. Even a solid oily component can be blended as long as it has no effect on maintaining the liquid state of the self-emulsifying oily liquid cosmetic. In addition, storage stability such as decomposition and precipitation is not a problem, but if it is less than 0, the appearance of cloudiness may occur. If the oil is liquid paraffin, squalane, petrolatum, etc., the hydrocarbon oil is self-emulsifying type oil. It is advisable to mix it so as to be less than 10% by mass in the liquid cosmetic.
- the compounding amount of the oil component of the component B in the self-emulsifying oily liquid cosmetic of the present invention is 50 to 92% by mass, preferably 65 to 85% by mass, more preferably 75 to 85% by mass. %. This is because if the blending amount of the oil component of the component B is less than 50% by mass, the dispersibility in water becomes poor, and if it is more than 92% by mass, self-emulsification becomes poor.
- water is not an essential component. However, if there is a problem in terms of viscosity adjustment and usability of the product, it may be blended within a range that does not impair the purpose of the present invention.
- the blending amount of water is preferably suppressed to 0 to 2% by mass, more preferably 0 to 1% by mass, and most preferably 0% by mass, that is, one in which water is not blended.
- the water referred to here includes water extracts of animals and plants in addition to purified water used in cosmetics.
- the self-emulsifying type oily liquid cosmetics referred to in the present invention are those in which a surfactant is dissolved in a molecule or micelle in an oily component, and a surfactant is dissolved in a liquid crystal form in an oily component.
- Japanese Patent Application Laid-Open No. 9-2084444, Japanese Patent Application Laid-Open No. 11-152 Non-aqueous liquid compositions, gel compositions or thickening compositions obtained by adding an oil phase to a mixture of an aqueous component such as an aqueous polyhydric alcohol and a surfactant introduced in The present invention is different from the present invention because the polyhydric alcohol in the continuous phase serves as a base.
- the electrical conductivity is measured by measuring the electrical conductivity.
- Examples include a method for examining the propriety and a method for examining the solubility in hydrocarbon-based solvents (for example, hexane, xylene, etc.) which are hardly soluble in polyhydric alcohols.
- it is preferable that lecithin is blended, whereby the self-emulsifying properties of the self-emulsifying oily liquid cosmetic can be further improved.
- lecithin examples include, but are not limited to, soybean lecithin, egg yolk lecithin, and hydrogenated lecithin whose saturation has been increased by hydrogenation, which can be obtained as ordinary commercial products or reagents.
- the amount of lecithin is preferably from 1 to 10% by mass, more preferably from 1 to 8% by mass, most preferably from 1 to 5% by mass, based on the amount of component A.
- it is not essential to incorporate a polyhydric alcohol such as glycerin or 1,3-butyleneglycol (1,3-BG).
- an oily component is added to the polyhydric alcohol continuous phase containing water, so that it is possible to obtain a gem-shaped emulsifying type or liquid crystal type cosmetic.
- a cleansing cosmetic when it is used as a cleansing cosmetic, its detergency is low, and its dispersibility in water is reduced. Therefore, in the present invention, it is preferable not to blend a polyhydric alcohol.
- a method of determining that water is not in a continuous phase for example, there is a method of measuring electric conductivity.
- a method for determining that the polyhydric alcohol is not in the continuous phase a method of dissolving the polyhydric alcohol in a hydrocarbon-based solvent, for example, hexane-xylene, may be mentioned.
- the self-emulsifying oil-based liquid cosmetic of the present invention can be obtained by measuring electric conductivity at 25 ° C. with a commercially available simple electric conductivity meter, for example, and the electric conductivity is substantially 0. Specifically, it is 0.1 SZ cm or less, and is uniformly dissolved and dispersed in a hydrocarbon solvent. Can be confirmed.
- the self-emulsifying oily liquid cosmetic of the present invention may contain known components in the field where the self-emulsifying oily liquid cosmetic is used, as long as the properties of the present invention are not impaired.
- Examples include humectants, antioxidants, blood circulation promoters, pH regulators, sequestering agents, ultraviolet absorbers, extracts, coloring agents, fragrances and the like.
- the method for producing the self-emulsifying cosmetic of the present invention includes a method in which components including component A and component B are usually heated to 40 to 90 ° C. and mixed and dissolved. If Component A and Component B dissolve at room temperature, they may be mixed and dissolved at room temperature. Further, when component C or lecithin is blended, it can be produced by mixing component A and component B with component C and lecithin by heating to 40 to 90 ° C. Even when components other than the components A and B used in the present invention are blended, the procedure for mixing and dissolving is not particularly limited.
- the components A and B used in the present invention and the components C and lecithin are mixed at the same time, or the components A essential used in the present invention and the components C and lecithin are mixed and dissolved. Later, the component B essential for use in the present invention may be mixed and dissolved. The same applies when other components are blended.
- the stirring may be performed by a known method, and the apparatus such as a blade-type stirrer, a disperser, and a homomixer is not particularly limited.
- self-emulsifying oily liquid cosmetic of the present invention include cleansing cosmetics and bath cosmetics.
- the cleansing cosmetic composition of the present invention has no safety concerns, has excellent storage stability, has a good falling condition, has no sticky feeling and no squeaky feeling after washing, and has no slimy feeling when washed off. This has the effect that rinsing is easy.
- the bath cosmetic of the present invention has no concern about safety, has good dispersibility in bath water, has excellent storage stability, and has a moist feeling.
- the self-emulsifying oily liquid cosmetic according to another embodiment of the present invention is different from the self-emulsifying oily liquid cosmetic according to one embodiment (first or second embodiment) of the present invention described above.
- the polyglycerol fatty acid ester of A has a hydroxyl value of 550 to 700 In that the amount of component B is 65 to 90% by mass, and that component C described below is contained.
- the compounding amount of the oily component of the component B is 65 to 90% by mass, preferably 65 to 85% by mass, more preferably. Or 65 to 80% by mass.
- Component C in the self-emulsifying oily liquid cosmetic according to another embodiment of the present invention is a polyhydric alcohol fatty acid ester having a hydroxyl value of 100 to 500 (excluding component A) and / or a hydroxyl value of It is a polyhydric alcohol alkyl ether of 100 to 500.
- component C is a polyhydric alcohol fatty acid ester having a hydroxyl value of 200 to 450 (excluding component A) and Z or a polyhydric alcohol alcohol having a hydroxyl value of 200 to 450. Is preferred.
- the amount of the component C is 0.1 to 100% by mass, preferably 1 to 70% by mass, more preferably 5 to 70% by mass based on the amount of the component A. .
- component C ie, a polyhydric alcohol fatty acid ester having a hydroxyl value of 100 to 500 (excluding component A) and Z or a polyhydric alcohol alkyl ether having a hydroxyl value of 100 to 500
- commercially available products can be used.
- glycerin fatty acid ester diglycerin fatty acid ester (excluding component A), and polyglycerin fatty acid ester having an average degree of polymerization of 3 to 10 (excluding component A) are preferably used in combination. Further, it is preferable that it is a paste or a liquid at room temperature from the viewpoint of solubility. It does not include polyhydric alcohol fatty acid esters containing polyoxyethylene groups and polyhydric alcohol alkyl ethers containing polyoxyethylene groups.
- Table 1 shows the results of a composition analysis of polydaricerin for producing polyglycerin fatty acid ester (component A) used in Examples and Comparative Examples.
- composition analysis was performed by gas chromatography, and each composition analysis value was calculated by the area percentage method.
- the analysis values of the polyglycerin composition of the dimer and the trimer are shown as a combined value of the non-cyclic product and the cyclic product.
- the polydaricerin fatty acid ester used in the following Examples and Comparative Examples was prepared by charging various fatty acids and polyglycerin at a ratio so as to have a predetermined hydroxyl value, and performing an esterification reaction in the same process as the above-mentioned reaction example. Things.
- the polyglycerin fatty acid ester used in the examples and comparative examples was synthesized in the same manner as described above using polyglycerin having the composition shown in Table 1. Cleansing cosmetics are prepared by adding each component in the composition shown in Tables 4 to 7, heating to 70 to 80, stirring thoroughly, and then cooling to room temperature with stirring. did.
- Dispersibility in water Disperse the cleansing cosmetic (5 ml) prepared as above in water (50 ml), stir for 3 seconds, observe the condition, and evaluate according to the following evaluation criteria. went.
- Hexane solubility One or two drops of the product of the present invention were dropped into a 10 ml hexane solution with a Komagome pipette, mixed gently, and then dissolved in hexane. Observed.
- the cleansing cosmetic of Comparative Example 13 was an oil-in-water cream
- the cleansing cosmetic of Comparative Example 14 was an aqueous polyhydric alcohol continuous phase jewel.
- the cleansing cosmetic of Comparative Example 15 was immediately unseparated and thus could not be measured.
- an oily liquid cleansing cosmetic containing an oily component and a specific polydaricerin fatty acid ester has a good dropping property, has no sticky feeling and no squeaky feeling after washing. There was no slimy feeling and the rinsing was easy, so the usability was good. In addition, the storage stability was good at 5t, 25, and 40 ° C.
- the cleansing cosmetics containing the polyglycerin fatty acid ester shown in Comparative Examples 1 to 12 could not achieve the object of the present invention, and did not become a good oily liquid cleansing cosmetic.
- oil-based liquid cleansing cosmetic of the present invention was always well-adapted to cosmetics, and was found to be an excellent cosmetic.
- Example 14 Oily liquid cleansing cosmetic formulation example
- Example 11 An oily liquid cleansing cosmetic using polyethylene glycol (PEG average polymerization amount; 15) isostearate instead of polydaliserine oleate in Example 11 was prepared. Regarding the obtained cleansing cosmetic, the falling condition was ⁇ (very clean), but the feeling of squealing X (very squeaky) and the remaining feeling of use was ⁇ (slightly slimy, It is hard to be too easy and has a slightly sticky feeling).
- PEG average polymerization amount 15
- Examples 15 to 24 and Comparative Examples 17 to 28 were oily cosmetics, electric conductivity and hexane solubility were examined. As a result, it was found that all the bath cosmetics had an electric conductivity of 0.1 IS / cm or less and were dissolved and dispersed in hexane. Thus, Examples 15 to 24 and Comparative Examples 17 to 28 were found to be oily. Table 9
- the obtained bath solvent had an electric conductivity at 25 ° C. of 0.1 lSZcm or less, and was found to be dissolved and dispersed in hexane. Therefore, the bath solvent was confirmed to be oily.
- a bath agent comprising an oily component and a specific polyglycerin fatty acid ester has good dispersibility in hot water, excellent storage stability, and a moist feeling. It was also excellent in feeling.
- the bath preparations containing the polyglycerol fatty acid ester shown in Comparative Examples 17 to 28 were poor in dispersibility in hot water, stability and feeling of use, and were poor as bath preparations.
- the self-emulsifying oily liquid cosmetic of the present invention can be widely used in the chemical industry, the pharmaceutical industry, and the like.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04731725A EP1623694B1 (en) | 2003-05-09 | 2004-05-07 | Selfemulsifying oily liquid cosmetic |
JP2005506034A JPWO2004098544A1 (ja) | 2003-05-09 | 2004-05-07 | 自己乳化型油性液状化粧料 |
US10/556,177 US7687066B2 (en) | 2003-05-09 | 2004-05-07 | Self emulsifying oily liquid cosmetic |
Applications Claiming Priority (4)
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JP2003131782 | 2003-05-09 | ||
JP2003-131782 | 2003-05-09 | ||
JP2003-403334 | 2003-12-02 | ||
JP2003403334 | 2003-12-02 |
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WO2004098544A1 WO2004098544A1 (ja) | 2004-11-18 |
WO2004098544A9 true WO2004098544A9 (ja) | 2005-05-26 |
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PCT/JP2004/006469 WO2004098544A1 (ja) | 2003-05-09 | 2004-05-07 | 自己乳化型油性液状化粧料 |
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US (1) | US7687066B2 (ja) |
EP (1) | EP1623694B1 (ja) |
JP (1) | JPWO2004098544A1 (ja) |
WO (1) | WO2004098544A1 (ja) |
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-
2004
- 2004-05-07 US US10/556,177 patent/US7687066B2/en active Active
- 2004-05-07 EP EP04731725A patent/EP1623694B1/en not_active Expired - Lifetime
- 2004-05-07 JP JP2005506034A patent/JPWO2004098544A1/ja active Pending
- 2004-05-07 WO PCT/JP2004/006469 patent/WO2004098544A1/ja active Application Filing
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EP1623694A4 (en) | 2008-10-08 |
EP1623694B1 (en) | 2009-11-18 |
US20060286133A1 (en) | 2006-12-21 |
WO2004098544A1 (ja) | 2004-11-18 |
EP1623694A1 (en) | 2006-02-08 |
US7687066B2 (en) | 2010-03-30 |
JPWO2004098544A1 (ja) | 2006-07-13 |
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