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
  • A61K8/062—Oil-in-water 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
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/27—Zinc; Compounds thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/29—Titanium; Compounds thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
  • A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/37—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
  • A61K8/39—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
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/55—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
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/67—Vitamins
• • 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
  • A61K8/67—Vitamins
  • A61K8/673—Vitamin B group
  • A61K8/675—Vitamin B3 or vitamin B3 active, e.g. nicotinamide, nicotinic acid, nicotinyl aldehyde
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
  • A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/86—Polyethers
• • 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
  • A61Q1/02—Preparations containing skin colorants, e.g. pigments
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/10—General cosmetic use

Definitions

• the present invention relates to an oil-in-water emulsified cosmetic.
• Makeup cosmetics such as foundations and bases are cosmetics that have an immediate function to make the skin look uniform due to its skin correcting effect.
• active ingredients that are blended in quasi-drugs into makeup cosmetics such as foundations and primers, in addition to immediate skin correction effects, continuous use of active ingredients can improve skin.
• the demand for the products they advertise is increasing.
• niacinamide which is a kind of vitamin, has effects on the skin such as wrinkle-reducing effect, skin barrier function-improving effect, whitening effect, and skin texture-improving effect.
• Tranexamic acid is known to have an anti-inflammatory effect, and thus is used as an active ingredient of pharmaceuticals, and also has a melanin production inhibitory effect.
• a composition containing these two components with different actions is expected to provide multifaceted effects on a plurality of skin troubles.
• these active ingredients are electrolytes, and there is a problem that when blended in make-up cosmetics such as foundations and bases, powder dispersibility is impaired, resulting in a gap between the appearance color and the application color.
• make-up cosmetics such as foundations and bases
• powder dispersibility is impaired, resulting in a gap between the appearance color and the application color.
• These problems are particularly conspicuous in oil-in-water cosmetics containing both these electrolytes and metal oxides in the aqueous phase.
• Various studies have been made so far on methods for improving powder dispersibility.
• Patent Document 1 A technique for improving dispersibility by a method of treating powder with a silane coupling agent and combining it with a specific hydrophilic resin (for example, Patent Document 1), and a method of treating the powder surface with polyvinylpyrrolidone (for example, Patent Document 2) is known.
• the dispersibility of the powder can be improved by using the above technique, in the case of the oil-in-water emulsion composition, when it is applied, the feeling of use may gradually change as it spreads. rice field. Along with this, there are cases where the cosmetic film becomes non-uniform, there are cases where the smoothness of the finish is poor, and there are cases where the stability is poor, such as the occurrence of drainage at high temperatures.
• the present invention provides an oil-in-water emulsified cosmetic that is excellent in no gap between the appearance color and application color, no drainage at high temperatures, uniformity of the cosmetic film, smoothness of the makeup, and no change in feeling during application. provide a fee.
• the present invention [1] The following components (A) to (E) (A) tranexamic acid 0.5 to 10% mass% (B) niacinamide 1 to 10% by mass (C) metal oxide 1 to 30% by mass (D) a fatty acid having 12 to 20 carbon atoms or an ester thereof (E) containing a water-soluble polymer, the total content of the component (A) and the component (B) being 3 to 14% by mass, and at least The present invention provides an oil-in-water emulsified cosmetic characterized by containing the component (C) in an aqueous phase.
• [2] Provide the oil-in-water emulsified cosmetic according to [1], wherein the metal oxide of component (C) is one or more selected from the group consisting of titanium dioxide, zinc oxide, and iron oxide. It is.
• the oil-in-water emulsified cosmetic according to [1] or [2], wherein the fatty acid of component (D) is one or more selected from the group consisting of lauric acid, myristic acid, palmitic acid, and stearic acid. provide a fee.
• the present invention also provides the oil-in-water emulsified cosmetic composition according to [1] or [2], which further contains component (F) a phosphate surfactant.
• the component (C) is contained in the external water phase and the internal oil phase, and the mass ratio of the content of the component (C) in the internal oil phase to the content of the component (C) in the cosmetic is 0.35. It provides the oil-in-water emulsified cosmetic according to [1] or [2], characterized in that it is ⁇ 0.8.
• the present invention there is no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the cosmetic film, smoothness of the makeup, and no change in the feeling of use during application. It is possible to provide an oil-in-water emulsified cosmetic that can be used for applications such as.
• the component (A) tranexamic acid in the present invention is a kind of amino acid represented by trans-4-(aminomethyl)cyclohexane-1-carboxylic acid. Tranexamic acid is sometimes used for skin whitening and anti-inflammatory effects, and is sometimes used as a hemostatic agent.
• the content of component (A) in the present invention is 0.5 to 10% by mass (hereinafter simply abbreviated as "%"). 1% or more is preferable, and 2% or more is more preferable. Moreover, 8% or less is preferable and 5% or less is more preferable. Also, 1 to 8% is preferable, and 2 to 5% is more preferable. This range is more preferable because it is superior in terms of the lack of drainage at high temperatures, the smoothness of stoppage, and the lack of change in feel during application. If the content of component (A) is less than 0.5%, there may be no change in feeling during application. It may be inferior to smoothness etc.
• niacinamide used in the present invention is an amide compound of nicotinic acid (vitamin B3/niacin).
• Niacinamide is a water-soluble vitamin, a known substance that is one of the B vitamins, and can be extracted from natural products (such as rice bran) or synthesized by a known method. Specifically, those listed in the 17th revision of the Japanese Pharmacopoeia can be used.
• the content of component (B) in the present invention is 1-10%. 3% or more is preferable, and 4% or more is more preferable. Moreover, 10% or less is preferable and 9% or less is more preferable. Also, 3 to 10% is preferable, and 4 to 9% is more preferable. This range is more preferable because it is superior in terms of no drainage at high temperatures and no change in feeling during application. If the content of component (B) is less than 1%, there may be no change in feeling during application. etc. may be inferior.
• component (A) and component (B) are 3 to 14% by mass. 4 to 10% is preferred, and 5 to 8% is more preferred. This range is more preferable because it is excellent in points such as smoothness of stopping.
• the component (C) metal oxide in the present invention may have a shape such as spherical, plate-like, or needle-like, a particle size such as aerosol, fine particle, or pigment grade, porous, Any one can be used without any particular limitation depending on the particle structure such as non-porous.
• metal oxides include, but are not limited to, zinc oxide, iron oxide, titanium dioxide, zirconium oxide, cerium oxide, chromium oxide, etc. One or more of these can be used. Among these, one or more selected from the group consisting of zinc oxide, titanium dioxide, and iron oxide is more preferable from the viewpoint of uniformity of the cosmetic film.
• the particle size is not particularly limited, and can be selected according to the purpose of use.
• the average particle size is more preferably in the range of 0.01 to 1 ⁇ m from the viewpoint of the uniformity of the cosmetic film.
• the average particle diameter is the median diameter D50 value obtained by measurement with an image analyzer (Luzex AP, manufactured by Nireco). In the case of an asymmetrical shape, the median diameter D50 obtained from the largest particle diameter distribution is taken as the average particle diameter in the present invention.
• the metal oxide of component (C) can also be used in a state where the surface is hydrophobized.
• silicone treatment such as methylhydrogenpolysiloxane treatment and dimethylpolysiloxane treatment, alkylalkoxysilane treatment such as triethoxycaprylylsilane treatment, fluorine treatment such as perfluoroalkyl phosphate ester treatment and perfluoroalkylalkoxysilane treatment, Fatty acid treatments such as isopropyl titanium triisostearate treatment, stearic acid treatment and myristic acid treatment, lauroyl lysine treatment, sodium lysine dilauroyl glutamate treatment, disodium stearoyl glutamate treatment, N-acylamino acid treatment such as sodium lauroyl aspartate treatment, lecithin treatment, Phospholipid treatment such as hydrogenated lecithin treatment, polyalkylene oxide treatment such as polyethylene oxide treatment, ceramide treatment, metallic soap treatment, etc.
• the treatment amount of the treatment agent used for the hydrophobic treatment is not particularly limited, but from the viewpoint of eliminating the gap between the appearance color and the coating color, it is preferably 0.1 to 20% with respect to the metal oxide. , 0.3 to 10% is more preferable.
• the content of component (C) in the present invention is 1 to 30%, preferably 1% or more, more preferably 2% or more, and even more preferably 3% or more. Also, it is preferably 25% or less, more preferably 22% or less, and even more preferably 20% or less. Also, 1 to 25% is preferable, 2 to 22% is more preferable, and 3 to 20% is even more preferable. This range is more preferable because there is no gap between the appearance color and the coating color and the uniformity of the cosmetic film is excellent.
• the component (C) in the present invention is contained in the external aqueous phase.
• Component (C) is preferably contained in the outer aqueous phase and the inner oil phase from the viewpoint of no gap between the appearance color and application color, no feeling of use, and the like.
• the content mass ratio of the component (C) in the internal oil phase to the content is preferably 0.35 to 0.8, more preferably 0.5 to 0.7. This range is more preferable because there is no gap between the appearance color and the applied color, and the feeling of use is excellent.
• the component (D) fatty acid having 12 to 20 carbon atoms or an ester thereof in the present invention is an ester of a fatty acid having 12 to 20 carbon atoms or a fatty acid and a compound having at least one or more hydroxyl groups.
• Examples of compounds having at least one hydroxyl group include monohydric alcohols, polyhydric alcohols, glycerin, derivatives thereof, and the like.
• the fatty acid of (D) has 12 to 20 carbon atoms and may be a linear or branched, saturated or unsaturated fatty acid, such as lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, Non-limiting examples include 12-hydroxystearic acid, palmitoleic acid, oleic acid, linoleic acid, linoleic acid, arachidonic acid, eicosapentaenoic acid, isohexadecanoic acid, and the like.
• saturated fatty acids having 12 to 20 carbon atoms, more preferred are lauric acid, myristic acid, palmitic acid and stearic acid, and still more preferred are palmitic acid and stearic acid.
• fatty acid esters include PEG-8 dilaurate, PEG-12 laurate, PEG-30 hydrogenated castor oil laurate, PEG-40 hydrogenated castor oil laurate, PEG-50 hydrogenated castor oil laurate, and PEG laurate.
• component (D) Commercially available products of component (D) include purified stearic acid 700V (manufactured by Kao Corporation), stearic acid 65 (manufactured by Miyoshi Oil Co., Ltd.), isostearic acid EX (manufactured by Kokyu Alcohol Kogyo Co., Ltd.), EDENOR series (EMERY OLEO CHEMICALS). MALAYSIA), NIKKOL MYS-40V, NIKKOL MYS-55V series (manufactured by Nikko Chemicals Co., Ltd.), EMALEX series (manufactured by Nippon Emulsion Co., Ltd.), and the like.
• the content of component (D) in the present invention is not particularly limited, but is preferably 0.1% or more, more preferably 0.5% or more, relative to the entire oil-in-water emulsified cosmetic. Moreover, 5% or less is preferable and 3% or less is more preferable. Also, 0.1 to 5% is preferable, and 0.5 to 3% is more preferable. This range is more preferable because there is no gap between the appearance color and the coating color.
• any component (E) water-soluble polymer in the present invention can be used as long as it can be used in ordinary cosmetics.
• the water-soluble polymer is not particularly limited, it is preferable to blend one or more selected from acrylamide copolymers and carboxyvinyl polymers.
• acrylamide-based copolymers include polymers containing at least structural units (so-called monomer units) derived from acryloyldimethyltaurate.
• Examples of the acryloyldimethyltaurate include sodium acryloyldimethyltaurate.
• Examples thereof include a copolymer of acrylic acid and acryloyldimethyltaurate, a copolymer of hydroxyethyl acrylate and acryloyldimethyltaurate, a copolymer of acrylic acid, acrylate, acrylamide and acryloyldimethyltaurate.
• Examples of commercially available products include SIMULGEL EG (manufactured by SEPPIC SA, (sodium acrylate/sodium acryloyldimethyltaurate) copolymer), SIMULGEL NS (manufactured by SEPPIC SA, (hydroxyethyl acrylate/sodium acryloyldimethyltaurate) copolymer), etc. are mentioned.
• the carboxyvinyl polymer can be used without particular restrictions on its monomer composition, molecular weight, etc.
• Various commercially available carboxyvinyl polymers can be used without any particular restrictions. These commercial products include, for example, Carbopol 940, Carbopol 941, Carbopol 934, Carbopol 980, Carbopol 981, Carbopol 2984, Carbopol 5940 and Carbopol ETD2050 sold by Lubrizol Co., Ltd.
• Examples include Carbopol Ultrez 10, Syntaren K, Syntaren L, and Syntaren M sold by Wako Pure Chemical Industries, Ltd.
• the content of component (E) in the present invention is not particularly limited, but is preferably 0.05% or more, more preferably 0.15% or more, relative to the total amount of the oil-in-water emulsified cosmetic. Moreover, 0.45% or less is preferable and 0.35% or less is more preferable. Also, 0.05 to 0.45% is preferable, and 0.15 to 0.35% is more preferable. This range is more preferable because there is no gap between the appearance color and the coating color and the uniformity of the cosmetic film is excellent.
• the present invention can further incorporate component (F) a phosphate surfactant.
• Phosphate-based surfactants refer to higher alcohols or polyoxyalkylene derivatives thereof whose terminals have been phosphorylated, and contain salts obtained by neutralizing the remaining hydroxyl groups with an appropriate alkali.
• polyoxyethylene-added alkyl ether phosphates and salts thereof are preferable, but the present invention is not limited to these, and one type or two or more types can be used in combination.
• a content of 0.01 to 1% is preferable from the viewpoint of no change in feeling during application.
• Commercially available products include HOSTAPHAT KW340D and HOSTAPHAT KL340D (manufactured by Clariant Japan).
• the oil-in-water emulsified cosmetic of the present invention may contain, in addition to the above components (A) to (F), components used in usual external skin preparations as appropriate within a range that does not impair the effects of the present invention. can be done.
• oils such as higher alcohols, hydrocarbon oils, ester oils, waxes, silicone oils, surfactants, water-soluble polymers, polyhydric alcohols, aqueous components such as lower alcohols, powders other than component (C)
• It may contain ultraviolet absorbers, antioxidants, antibacterial agents, preservatives, moisturizers, pH adjusters, cooling agents, vitamins, beauty ingredients, fragrances, and the like.
• the oil-in-water emulsified cosmetic of the present invention is not particularly limited, and can be produced according to a conventional method.
• an aqueous component containing components (A), (B), (C) and (E) is uniformly dissolved and mixed
• an oil component containing (D) is uniformly dissolved and mixed
• a water-soluble component is added thereto.
• a method of preparing by mixing and emulsifying, adding the above-mentioned arbitrary components as necessary, and mixing them may be mentioned.
• the oil-in-water emulsified cosmetic of the present invention is not particularly limited, but can be in any form such as liquid, solid, gel, milky lotion, and cream.
• the oil-in-water emulsified cosmetic of the present invention is not particularly limited, but can be used, for example, as a cosmetic for the skin.
• Makeup cosmetics such as body lotions, body creams, sunscreens, primers, foundations, and BB creams can be exemplified, preferably makeup cosmetics such as primers, foundations, and BB creams.
• the present invention can employ the following configuration.
• the following components (A) to (E) (A) tranexamic acid 0.5 to 10% mass% (B) niacinamide 1 to 10% by mass (C) metal oxide 1 to 30% by mass (D) a fatty acid having 12 to 20 carbon atoms or an ester thereof (E) containing a water-soluble polymer, the total content of the component (A) and the component (B) being 3 to 14% by mass, and at least An oil-in-water emulsified cosmetic comprising the component (C) in an aqueous phase.
• ⁇ 2> The oil-in-water emulsified cosmetic according to ⁇ 1>, wherein the metal oxide of component (C) is one or more selected from the group consisting of titanium dioxide, zinc oxide, and iron oxide.
• the metal oxide of component (C) is one or more selected from the group consisting of titanium dioxide, zinc oxide, and iron oxide.
• the fatty acid of component (D) is one or more selected from the group consisting of lauric acid, myristic acid, palmitic acid, and stearic acid. fee.
• component (F) a phosphoric acid surfactant.
• the component (C) is contained in the external water phase and the internal oil phase, and the mass ratio of the content of the component (C) in the internal oil phase to the content of the component (C) in the cosmetic is 0.35.
• the oil-in-water emulsified cosmetic according to any one of ⁇ 1> to ⁇ 4>, which is 0.8.
• Examples 1 to 20 and Comparative Examples 1 to 6 Oil-in-water emulsified cosmetic (foundation) Examples 1 to 20 and Comparative Examples 1 to 6 were prepared by the manufacturing method shown below, a. Lack of gap between appearance color and application color; b. Lack of drainage at high temperature; c. Uniformity of the cosmetic film; d. smoothness of the stop, e. The following evaluation method was used to evaluate whether there was no change in feeling during application.
• stomach There is no gap between the appearance color and the applied color.
• Ten women in their 20s to 40s who have undergone sensory evaluation training and are capable of evaluating according to a certain standard were selected as a panel of experts.
• the expert panel evaluates the gap between the appearance color of each sample before use and the color after stretching 10 mg of each sample on the forearm 10 reciprocations with a finger on the forearm, and evaluates and scores in 5 stages according to the following absolute evaluation criteria. attached. For each sample, the average value was calculated from the total score of all the panelists, and judged according to the following 4-step judgment criteria.
• Comparative Example 2 which contains an excessive amount of component (B), has "no gap between appearance color and application color", “no drainage at high temperature”, “uniformity of cosmetic film”, “smoothness of fixation”, It was inferior in terms of "no change in feeling during application”. Comparative Example 3, in which component (A) and component (B) were blended in an excessively small amount, was inferior in terms of "uniformity of cosmetic film” and “no change in feeling during use”. Comparative Example 4 containing no component (D) was inferior in "no gap between appearance color and applied color", “no drainage at high temperature", and "uniformity of cosmetic film".
• Comparative Example 5 in which a fatty acid having 12 to 20 carbon atoms was used instead of component (D), was inferior in "no drainage at high temperature” and "uniformity of cosmetic film”.
• Example 21 Oil-in-water liquid foundation (ingredient) (%) 1. tranexamic acid 3 2. Niacinamide 4 3. Sodium acrylate ⁇ Sodium acryloyl dimethyl taurate copolymer mixture*1 0.66 4. Remaining purified water 5. ethanol 2 6. 1,3-butylene glycol 15 7. Red iron oxide 0.2 8. Yellow iron oxide 0.8 9. Lecithin-treated titanium oxide 4 10. Stearic acid 1.3 11. Polyoxyethylene stearyl ether phosphate*2 0.5 12. 2-Ethylhexyl p-methoxycinnamate 6 13. Glyceryl tri-2-ethylhexanoate 2.5 14. Liquid paraffin 1 15. Dipentaerythritol fatty acid ester 1 16. Diglyceryl triisostearate 1 17. Methylparaben 0.15 *1: SIMULGEL EG QD (SEPPIC) *2: HOSTAPHAT KL340D (Clariant Japan)
• the oil-in-water liquid foundation obtained as described above has no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the makeup film, smoothness of the makeup, and good feeling during application. It was excellent in the lack of change.
• Example 22 Oil-in-water liquid foundation (ingredient) (%) 1. Tranexamic acid 4 2. Niacinamide 6 3. Xanthan gum 0.25 4. Remaining purified water 5. ethanol 2 6. 1,3-butylene glycol 15 7. Red iron oxide 0.1 8. Yellow iron oxide 0.4 9. Lecithin-treated titanium oxide 2 10. Ethylhexylglycerin*3 0.2 11. Chlorphenesin 0.1 12. Red iron oxide 0.1 13. Yellow iron oxide 0.4 14. Lecithin-treated titanium oxide 2 15. Polyurethane gel composition *4 2 16. boron nitride 2 17. N-lauroyl-L-lysine 3 18. Sorbitan monooleate (HLB4.3) *5 0.5 19.
• 2-Ethylhexyl p-methoxycinnamate 6 20. Glyceryl tri-2-ethylhexanoate 1 21. Diisostearyl malate 2.5 22. High melting point polyethylene powder 1 23. Liquid paraffin 1 24. Dipentaerythritol fatty acid ester 1 25. Diglyceryl triisostearate 1 26.
• Hexagonal tabular zinc oxide (average particle size 0.3 ⁇ m) 1 *3: ADEKA NOL GE-RF (manufactured by ADEKA) *4: OILKEMIA 5S CC POLYMER (manufactured by Nippon Lubrizol) *5: NIKKOL SO-10V (manufactured by Nikko Chemicals)
• the oil-in-water liquid foundation obtained as described above has no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the makeup film, smoothness of the makeup, and good feeling during application. It was excellent in the lack of change.
• Example 23 Oil-in-water liquid concealer (ingredient) (%) 1. Tranexamic acid 2 2. Niacinamide 7 3. Carboxy vinyl polymer 0.25 4. Remaining purified water 5. Ethanol 3 6. 1,3-butylene glycol 10 7. Phenoxyethanol 0.2 8. Red iron oxide 0.6 9. Yellow iron oxide 2.4 10. Ceramide-treated titanium oxide 12 11. Palmitic acid 1.8 12. Squalane 0.1 13. Propylene carbonate 0.1 14. Polyoxyethylene stearyl ether phosphate*2 0.5 15. Glyceryl tri-2-ethylhexanoate 2.5 16. Liquid paraffin 1 17. Diglyceryl triisostearate 1
• the oil-in-water liquid concealer obtained as described above has no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the makeup film, smoothness of the application, and good feeling during application. It was excellent in the lack of change.
• Example 24 Oil-in-water foundation (ingredient) (%) 1. Polysorbate 80 0.5 2. Glyceryl stearate 0.5 3. Sorbitan sesquioleate 0.5 4. Sorbitan palmitate 0.5 5. Stearic acid 1.5 6. Lecithin 0.1 7. Triceteareth-4 phosphate 0.3 8. behenyl alcohol 0.5 9. Ethylhexyl methoxycinnamate 5 10. bisethylhexyloxyphenol methoxyphenyltriazine 1 11. Triethylhexanoin 1 12. Polyglyceryl-2 3 triisostearate 13. Mineral oil 0.5 14. Hexa (hydroxystearic acid/stearic acid/rosin acid) Dipentaerythrityl 0.5 15.
• the oil-in-water foundation obtained as described above has no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the makeup film, smoothness of the makeup, and change in feeling during application. It was excellent in its lack of quality.
• Example 25 Base (ingredient) (%) 1.1,3-butylene glycol 10 2. Glycerin 5 3. Triceteareth-4 phosphate 0.1 4. Polysorbate-80 1 5. Sodium lauroyl glutamate treated titanium oxide *10 4 6. Stearoyl glutamic acid 2Na treated red iron oxide *11 0.1 7. Stearoyl glutamic acid 2Na treated yellow iron oxide *12 0.1 8. Stearoyl glutamic acid 2Na treated black iron oxide *13 0.1 9. Triethanolamine 0.9 10. Remaining purified water 11. tranexamic acid 3 12. Niacinamide 5 13. stearic acid 1 14. Cetostearyl alcohol 0.3 15. Sorbitan sesquioleate 0.3 16.
• Dimethicone (kinematic viscosity 10 mm 2 /s) 2 17. Ethylhexyl methoxycinnamate 5 18. Neopentyl glycol dicaprate 1 19. 2,4-bis[ ⁇ 4-(2-ethylhexyloxy)-2-hydroxy ⁇ -phenyl]-6-(4-methoxyphenyl)-(1,3,5) - Triazine 0.5 20.2-2′-methylenebis ⁇ 6-(benzotriazol-2-yl) -4-(1,1,3,3,-tetramethylbutyl)phenol ⁇ 3 21. (Dimethicone/vinyl dimethicone) crosspolymer/ Dimethicone *14 2 22. Carboxy vinyl polymer 0.15 23.
• Xanthan gum 0.03 24. Acrylates copolymer 0.1 25. Na acrylate crosspolymer 0.3 26. Ascorbic acid 2-glucoside 0.3 27. Perfume Appropriate amount 28. (Acrylates/alkyl acrylate (C10-30)) Crosspolymer 0.2 29. Cellulose *15 1 30. Hollow silica *16 0.7 31. Titanium oxide coated mica *17 1 32. Phenoxyethanol 0.1 33.
• A Components (1) to (8) are uniformly treated with three rollers.
• B Uniformly mix A and components (9) to (12).
• C Components (13) to (21) are uniformly dispersed at 75°C.
• D Add C to B and emulsify at 75°C.
• E Cool D to 60°C.
• F Components (22) to (33) are added to E and mixed uniformly.
• G Cool F to 40°C.
• H Add A to G and mix uniformly. After I:H was filled in the container, a base was obtained.
• the oil-in-water foundation obtained as described above has no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the makeup film, smoothness of the makeup, and change in feeling during application. It was excellent in its lack of quality.
• Example 26 BB cream (ingredients) (%) 1. PEG-10 hydrogenated castor oil 0.05 2. Sorbitan sesquioleate 0.03 3.1,3-butylene glycol 0.5 4. Polyethylene oxide treated titanium oxide 6 5. Hydrogenated lecithin-treated talc 0.2 6. Red iron oxide (R-516-P: manufactured by Titan Kogyo Co., Ltd.) 0.3 7. Yellow iron oxide (LL-100P: manufactured by Titan Kogyo Co., Ltd.) 0.3 8. Black iron oxide (BL-100P: manufactured by Titan Kogyo Co., Ltd.) 0.3 9. Remaining purified water 10. Dipropylene glycol 9 11. Triethanolamine 0.35 12. stearic acid 1 13. behenyl alcohol 1 14.
• Dimethicone (kinematic viscosity 6 mm 2 /s) 1 15. Liquid paraffin 1 16. isotridecyl isononanoate 4 17. Decamethylcyclopentasiloxane 3 18. Neopentyl glycol di-2-ethylhexanoate 1 19. Siliconized microparticle titanium dioxide 3 20. PEG-9 dimethicone 0.4 21. 2-ethylhexyl p-methoxycinnamate 5 22.2- ⁇ 4-(diethylamino)-2-hydroxybenzoyl ⁇ Hexyl benzoate 1 23.
• the BB cream obtained as described above has no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the cosmetic film, smoothness of the makeup, and no change in feeling during application. It was excellent for
• Example 27 Oil-in-water solid blush (component) (%) 1. 3% lecithin-treated titanium oxide 3 2. 3% lecithin-treated mica titanium 3 3. 3% lecithin-treated sericite 4 4. 3% lecithin treated talc 10 5. Polyoxyethylene (3) hydrogenated castor oil 1 6. Soybean phospholipid 1 7. Sucrose fatty acid ester 0.5 8. Isocetyl stearate 5.5 9. Perfume appropriate amount 10. Methyl paraoxybenzoate 0.1 11.1,3-butylene glycol 5 12. Agar 2 13. Glycerin 3 14. Diglycerin 1 15. Remaining purified water 16. Niacinamide 3 17. Tranexamic acid 4 18. iron oxide 2
• Ingredients (5) to (9) are uniformly mixed.
• Ingredients (11)-(18) are uniformly mixed.
• C. Add (1) to (4) to A and mix and disperse.
• D. Add C to B and emulsify, then add ingredients (9) to (10) and mix uniformly.
• E. D was filled in a container plate and cooled to obtain an oil-in-water solid cheek rouge.
• the oil-in-water solid rouge obtained as described above has no gap between the appearance color and the application color, no drainage at high temperatures, uniformity of the cosmetic film, smoothness of stoppage, use during application It was excellent in that there was no change in feeling.

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