WO2021172351A1 - Produit cosmétique solide en poudre - Google Patents

Produit cosmétique solide en poudre Download PDF

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Publication number
WO2021172351A1
WO2021172351A1 PCT/JP2021/006848 JP2021006848W WO2021172351A1 WO 2021172351 A1 WO2021172351 A1 WO 2021172351A1 JP 2021006848 W JP2021006848 W JP 2021006848W WO 2021172351 A1 WO2021172351 A1 WO 2021172351A1
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WO
WIPO (PCT)
Prior art keywords
fatty acid
calcium salt
particles
acid calcium
powder
Prior art date
Application number
PCT/JP2021/006848
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English (en)
Japanese (ja)
Inventor
佳宏 西山
哲也 金丸
賢 廣▲崎▼
Original Assignee
株式会社 資生堂
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社 資生堂 filed Critical 株式会社 資生堂
Priority to CN202180011521.5A priority Critical patent/CN115003271B/zh
Publication of WO2021172351A1 publication Critical patent/WO2021172351A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—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
    • A61K8/37—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
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • 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
    • A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
    • 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
    • A61Q1/12—Face or body powders for grooming, adorning or absorbing

Definitions

  • the present invention relates to powdered solid cosmetics, and particularly to powdered solid cosmetics having excellent impact resistance.
  • Powdered solid cosmetics typified by foundations and eye shadows are manufactured by adding an oily component to a powder component such as a pigment and filling it in a container such as a middle plate. While powdered solid cosmetics are excellent in portability, there may be problems such as the molded product cracking or falling out of the container due to impacts such as vibration and dropping.
  • the brilliant powder is a plate-shaped or spherical powder that has an interference color, a pearl luster, or a metallic luster and is generally used in the field of cosmetics that exhibits luster.
  • the impact resistance of the powdered solid cosmetic may be lowered by blending the glittering powder.
  • Patent Document 1 describes a solid powder cosmetic having good usability and excellent impact resistance by containing metal soap fine particles having a specific particle size or the like.
  • An object of the present invention is to provide a powdered solid cosmetic having excellent impact resistance.
  • the cosmetics according to the present invention are as follows.
  • ⁇ 1> A powdered solid cosmetic containing fatty acid calcium salt particles having 12 to 22 carbon atoms and an oily component.
  • the oily component contains polar oils with an IOB of 0.01 or higher.
  • the fatty acid calcium salt particles have a median diameter of 4.0 to 15.0 ⁇ m, the particle size summary value A represented by the following formula (1) satisfies the relationship of A ⁇ 2.0, and the thickness average is 350.
  • Particle size summary value A (D90-D10) / D50 ... Equation (1) (However, 4.0 ⁇ D50 ⁇ 15.0) D10: 10% integrated diameter ( ⁇ m) based on the volume of fatty acid calcium salt particles D50: Median diameter ( ⁇ m) based on the volume of fatty acid calcium salt particles D90: 90% integrated diameter ( ⁇ m) based on the volume of fatty acid calcium salt particles ⁇ 2>
  • the powdered solid cosmetic according to ⁇ 1> which further contains 30% by mass or more of a brilliant powder.
  • the brilliant powder contains a brilliant powder having an average particle size of 15 to 200 ⁇ m.
  • ⁇ 4> The powder solid cosmetic according to any one of ⁇ 1> to ⁇ 3>, wherein the surface is decorated with an uneven shape.
  • the cosmetic of the present invention contains specific fatty acid calcium salt particles as a metal soap.
  • the fatty acid calcium salt particles in the present invention have 12 to 22 carbon atoms of fatty acid.
  • the number of carbon atoms of the fatty acid is 12 or more, excellent usability can be imparted to the cosmetics.
  • the number of carbon atoms is 22 or less, it is easily industrially available as a fatty acid and the productivity is high.
  • the number of carbon atoms of the fatty acid is preferably 12 to 18 from the viewpoint of impact resistance, and more preferably 14 (that is, the fatty acid calcium salt is calcium myristate).
  • the fatty acid is not particularly limited as long as it is a fatty acid having 12 to 22 carbon atoms.
  • it may be either a naturally occurring fatty acid or a synthetic fatty acid, it may be either a saturated fatty acid or an unsaturated fatty acid, or it may be linear or branched. Further, a functional group such as a hydroxyl group, an aldehyde group or an epoxy group may be contained in the structure of the fatty acid. As the fatty acid, linear saturated fatty acid is preferable.
  • Fatty acids include, for example, lauric acid, myristic acid, myristic oleic acid, palmitic acid, palmitooleic acid, stearic acid, oleic acid, linoleic acid, araquinic acid, bechenic acid, erucic acid, hydroxystearic acid and epoxy stearic acid.
  • myristic acid is preferable.
  • the myristic acid content in the fatty acid is preferably 50% or more, more preferably 60% or more, still more preferably 70% or more.
  • the fatty acid calcium salt particles in the present invention have a median diameter (D50) of 4.0 to 15.0 ⁇ m on a volume basis. With such a particle size, the impact resistance is excellent.
  • the median diameter of the fatty acid calcium salt particles is preferably 5.0 to 12.0 ⁇ m, more preferably 6.0 to 10.0 ⁇ m.
  • the particle size can be measured by the microtrack laser diffraction method in the same manner as the particle size summary value A described later.
  • the particle size summary value A represented by the following formula (1) satisfies the relationship of A ⁇ 2.0.
  • Particle size summary value A (D90-D10) / D50 ... Equation (1) (However, 4.0 ⁇ D50 ⁇ 15.0)
  • D90 90% integrated diameter ( ⁇ m) based on the volume of fatty acid calcium salt particles Since the particle size distribution of the fatty acid calcium salt particles is narrow, it can be uniformly present in the cosmetics, and it is easy to develop impact resistance.
  • the particle size summary value A is calculated from the particle size measured by the microtrack laser diffraction method.
  • the particle size summary value A is 2.0 or less, the particle size of the fatty acid calcium salt particles present in the cosmetic is uniform, the dispersibility of the cosmetic is good, the productivity is not lowered, and the purpose is It is possible to produce a cosmetic having a feeling of calcium.
  • the particle size summary value A satisfies the relationship of 0.5 ⁇ A ⁇ 1.8. When the relationship of 0.5 ⁇ A ⁇ 1.8 is satisfied, the action and effect of the present invention can be obtained even more stably.
  • the particle size summary value A is 0.5 or more, the yield does not decrease and industrially stable production can be performed.
  • the particle diameters at the points where the cumulative curves are 10%, 50%, and 90% are 10% integrated diameters, respectively. (D10), 50% median diameter (D50; median diameter), 90% integrated diameter (D90) ( ⁇ m).
  • the particle size summary value A is adjusted by using the concentration of the fatty acid alkaline compound salt, the temperature at the time of reaction between the fatty acid alkaline compound salt and the calcium salt, and the calcium salt-containing aqueous solution as the fatty acid alkaline compound in the method for producing the fatty acid calcium salt particles described later. This can be done by appropriately adjusting the dropping rate at the time of dropping into the salt-containing aqueous solution. Further, a particle having a wide particle size distribution, that is, a large particle size summary value A, can be adjusted by classifying using a sieve of 100 mesh, 200 mesh, 330 mesh or the like in the post-treatment.
  • the microtrack laser diffraction method used here is a method for obtaining a particle size distribution by using scattered light obtained by irradiating particles with laser light.
  • the measurement is performed by a wet method in which the sample is directly put into a place where an organic solvent in which fatty acid calcium salt particles are not dissolved, for example, an organic solvent such as ethanol or isopropyl alcohol is circulated.
  • the measurement target in the present invention is a particle size in the range of 0.1 ⁇ m to 200 ⁇ m, and the value represented by the above formula (1) is defined as the particle size summary value A.
  • the measurement can be performed using the Microtrack MT-3000 manufactured by Nikkiso Co., Ltd.
  • the fatty acid calcium salt particles in the present invention have an average thickness of 350 to 800 nm. With such a thickness, it becomes easy to unravel even under mild mixing conditions (manufacturing method) to cosmetics, it becomes easy to apply it uniformly to the skin as a cosmetic, and it becomes possible to improve the feel after application. Further, the thickness is sufficient for impact resistance when a cosmetic is added.
  • the average thickness of the particles is more preferably 400 to 700 nm. If it satisfies 400 to 700 nm, the action and effect of the present invention can be obtained more stably.
  • the particle thickness is a value of the length of the side surface when the surface having the largest area of the fatty acid calcium salt particles is the front surface.
  • the above-mentioned fatty acid calcium salt particles having a specific thickness will be described later in the description of the production method, but when the calcium salt-containing aqueous solution and the fatty acid alkaline compound salt-containing aqueous solution separately prepared by the metathesis reaction are mixed, the fatty acid alkaline compound salt is contained. It can be obtained by gradually dropping a calcium salt-containing aqueous solution into the aqueous solution at an appropriate rate.
  • the shape of the fatty acid calcium salt particles in the present invention is not particularly limited, but it is preferably plate-shaped.
  • the powdered solid cosmetic of the present invention is excellent in impact resistance because it contains fatty acid calcium salt particles having the above-mentioned specific properties. This is because the particle size summary value A satisfies the relationship of A ⁇ 2.0, that is, the particle size distribution of the fatty acid calcium salt particles is narrow, the dispersibility is good, and the particles are uniformly distributed in the molded body. It is presumed that this is because the strain is less biased when an impact is applied and stress relaxation is easily performed in the entire bulk. As a result, it is considered that the fatty acid calcium salt particles uniformly dispersed in the molded body can disperse the stress of impact while firmly adhering the powders to each other, and the impact resistance is improved.
  • the content of the fatty acid calcium salt particles in the powdered solid cosmetic of the present invention is preferably 0.01 to 30% by mass, more preferably 0.1 to 20% by mass, and particularly preferably 1 to 10 from the viewpoint of impact resistance. It is mass%.
  • the above-mentioned specific fatty acid calcium salt particles react a fatty acid alkaline compound salt obtained by reacting a fatty acid having 12 to 22 carbon atoms with a monovalent alkaline compound and a divalent calcium salt in an aqueous solution. It can be prepared by the compound decomposition method.
  • Examples of monovalent alkaline compounds used as raw materials for fatty acid alkaline compound salts include hydroxides of alkali metals (sodium, potassium, etc.) and amines such as ammonia, monoethanolamine, diethanolamine, and triethanolamine.
  • a hydroxide of an alkali metal such as sodium or potassium is preferable because it has high solubility in water when it is used as a fatty acid alkali compound salt.
  • the fatty acid alkaline compound salt used in the present invention contains a monovalent alkaline compound and a fatty acid at a temperature generally equal to or higher than the melting point of the fatty acid and at a temperature at which the fatty acid is not decomposed, preferably 100 ° C. or lower, more preferably 50 to. It is obtained by reacting at 100 ° C., more preferably 60 to 95 ° C., particularly preferably 70 to 95 ° C.
  • the fatty acid calcium salt particles of the present invention can be obtained, for example, by reacting the fatty acid alkaline compound salt obtained above with a calcium salt in an aqueous solution.
  • the calcium salt is specifically a salt of inorganic calcium and an inorganic acid or an organic acid.
  • Examples of the calcium salt include calcium chloride and calcium acetate.
  • calcium chloride is preferable because it has a high solubility in water and efficiently reacts with a fatty acid alkaline compound salt.
  • the reaction between the fatty acid alkaline compound salt and the divalent calcium salt is specifically carried out by separately preparing a calcium salt-containing aqueous solution and a fatty acid alkaline compound salt-containing aqueous solution, and then mixing them. For example, it is carried out by adding a calcium salt-containing aqueous solution to a fatty acid alkali compound salt-containing aqueous solution, or by adding both to another reaction vessel.
  • the calcium salt-containing aqueous solution is gradually added dropwise to the fatty acid-alkali compound salt-containing aqueous solution at an appropriate rate.
  • the dropping rate is preferably 0.005 to 0.8 mol / mol, more preferably 0.01 to 0.5 mol / mol per unit time.
  • the exchange reaction between alkali and calcium can be moderately promoted, and fatty acid calcium salt particles having an appropriate thickness can be obtained.
  • this rate is 0.005 mol / mol or more, the thickness of the particles is not thinned, and fatty acid calcium salt particles having a desired thickness can be obtained.
  • the dropping rate per unit time is 0.8 mol / mol or less, the shape of the fatty acid calcium salt particles becomes uniform and the particles have a desired thickness, so that the particle size is not uneven and is good. ..
  • the unit "mol / mol" of the calcium salt to be dropped is the number of moles of the calcium salt to be dropped with respect to 1 mol of the fatty acid alkaline compound.
  • the concentration of the fatty acid alkali compound salt during the production of the fatty acid calcium salt is usually from 1% by mass in terms of the productivity of the fatty acid calcium salt and the handleability of the fatty acid alkaline compound salt-containing aqueous solution or the obtained fatty acid calcium salt slurry. It is 20% by mass, preferably 5% by mass to 15% by mass.
  • the concentration of the fatty acid alkaline compound salt is 1% by mass or more, the productivity of the fatty acid calcium salt is good, which is preferable.
  • it is 20% by mass or less the viscosity of the fatty acid alkali compound salt-containing aqueous solution or the obtained fatty acid calcium salt slurry does not increase, and a uniform reaction can be carried out.
  • the concentration of the calcium salt in the calcium salt-containing liquid is usually 10% by mass or more from the viewpoint of the productivity of the fatty acid calcium salt and the handleability of the fatty acid alkaline compound salt-containing aqueous solution or the obtained fatty acid calcium salt slurry. It is 50% by mass, preferably 10% by mass to 40% by mass.
  • the reaction between the fatty acid alkaline compound salt and the calcium salt is carried out under the temperature conditions normally performed by those skilled in the art in consideration of the solubility of the fatty acid alkaline compound salt. It is preferably 50 to 100 ° C, more preferably 60 to 95 ° C. When the reaction temperature is 50 ° C. or higher, the reaction rate between the fatty acid alkaline compound salt and the calcium salt is good.
  • Polyalkylene glycol ethers are sandwiched between oxyethylene blocks for the purpose of stabilizing the fatty acid calcium salt slurry during the reaction of the fatty acid alkali compound salt with the calcium salt and improving the productivity of the fatty acid calcium salt.
  • the triblock ether having the above structure (EO-PO-EO) is present in the fatty acid calcium salt slurry.
  • the content of the polyalkylene glycol-based ether in the fatty acid calcium salt slurry is usually 0.01 part by mass to 5 parts by mass, preferably 0.05 part by mass to 2 parts by mass with respect to 100 parts by mass of the fatty acid alkali compound salt. be.
  • the polyalkylene glycol-based ether may be present in the reaction system before the reaction between the monovalent alkaline compound and the fatty acid, or may be present in the reaction system before the reaction between the fatty acid alkali compound salt and the calcium salt. You may.
  • a fatty acid calcium salt cake having a reduced water content is obtained by separating it with a dehydrator, a filter press, or the like.
  • the fatty acid calcium salt cake having a reduced water content is dried by a rotary dryer, an air flow dryer, a ventilation type shelf dryer, a spray type dryer, a fluidized bed type dryer, or the like.
  • the fatty acid calcium salt cake is dried at ( ⁇ -40) ° C. ⁇ ⁇ ⁇ ( ⁇ + 5) ° C. with respect to the water evaporation peak top temperature ( ⁇ ° C.) of the fatty acid calcium salt to be produced.
  • the contained water evaporation peak top temperature is the top peak of the peak in the temperature range in which the residual water contained in the fatty acid calcium salt, which cannot be removed by drying, begins to desorb.
  • the peak top temperature of water evaporation is 110.3 ° C.
  • the specific drying temperature varies depending on the type of fatty acid calcium salt obtained, but in the case of calcium myristate, for example, it is 115 ° C. or lower.
  • the drying treatment is performed at a temperature higher than 115 ° C., adhesion between fine particles occurs, and the thickness of the particles tends to increase.
  • the drying treatment is performed at a temperature lower than 70 ° C., the drying property is lowered and a large amount of water remains in the compound.
  • the powdered solid cosmetic of the present invention contains an oily component from the viewpoint of impact resistance and moldability.
  • the content of the oily component in the powdered solid cosmetic is preferably 5 to 30% by mass.
  • the oily component include liquid oil and solid oil.
  • the liquid oil contains polar oil from the viewpoint of impact resistance and moldability.
  • the IOB of the polar oil is 0.01 or more, preferably 0.1 or more. By including the polar oil together with the fatty acid calcium salt particles, the impact resistance of the cosmetic is improved.
  • the IOB of the polar oil is preferably 0.6 or less from the viewpoint of impact resistance.
  • the content of the polar oil is preferably 20% by mass or more, more preferably 30% by mass or more, and preferably 95% by mass or less from the viewpoint of caking, from the viewpoint of impact resistance. , More preferably 90% by mass or less.
  • the powdered solid cosmetic of the present invention may contain a solid oil component as an oily component as long as the effect of the present invention is not impaired.
  • the solid oil content is not particularly limited as long as it is an oil content that can be blended in cosmetics.
  • Specific examples of solid oils include hydrocarbons, waxes, stearic acid, lauric acid, and myristic acid such as solid paraffin, ceresin, microcrystallin wax, polyethylene wax, hardened oil, beeswax, mokuro, gay wax, and candelilla wax.
  • Higher fatty acids such as paraffinic acid, higher alcohols such as cetyl alcohol, stearic acid, and lauric alcohol.
  • the powdered solid cosmetic of the present invention preferably contains a brilliant powder (pearl agent) from the viewpoint of imparting beautiful brilliance.
  • the content of the glittering powder is 30% by mass or more, preferably 40% by mass or more, and more preferably 50% by mass or more. Further, from the viewpoint of impact resistance, it is preferably 90% by mass or less. Since the powdered solid cosmetic of the present invention has excellent impact resistance, a large amount of glittering powder can be blended.
  • the powdered solid cosmetic of the present invention preferably has an average particle size (median diameter) of 15 to 200 ⁇ m, more preferably 20 to 200 ⁇ m, and further preferably 25 to 25, from the viewpoint of imparting high brilliance as a brilliant powder. It preferably contains a glittering powder of 200 ⁇ m, particularly preferably 50 to 200 ⁇ m.
  • a plate-shaped or spherical powder having an interference color, pearl luster, or metallic luster and exhibiting luster which is usually used for cosmetics
  • the powdered solid cosmetic of the present invention may further contain an inorganic powder and an organic powder.
  • the inorganic powder include titanium oxide, zinc oxide, red iron oxide, yellow iron oxide, black iron oxide inorganic pigment, mica, and talc.
  • the organic powder include organic pigments such as natural pigments. Further, these powders may be surface-treated with a fluorine compound, a silicone compound, a fatty acid or the like.
  • ingredients in addition to the above ingredients, other ingredients usually used in cosmetics and the like can be appropriately blended as long as the effects of the present invention are not impaired.
  • Other ingredients include, for example, surfactants, moisturizers, polymers, dyes, lower alcohols, polyhydric alcohols, antioxidants, UV absorbers, beauty ingredients, antibacterial agents, preservatives, pH adjusters, fragrances, etc. Can be mentioned.
  • the powdered solid cosmetic of the present invention has excellent impact resistance, it is suitable as a cosmetic in which the surface of the cosmetic is decorated with an uneven shape such as a pattern or characters.
  • powdered solid cosmetics of the present invention include, for example, make-up cosmetics such as foundations, concealers, face powders, control colors, eye shadows, eyeliners, teak colors, body powders, perfume powders, baby powders, etc. Can be done.
  • the present invention will be described in more detail with reference to examples below, but the present invention is not limited thereto.
  • the blending amount is shown in mass% with respect to the system in which the component is blended.
  • ⁇ Evaluation of calcium myristate salt particles Calculated from the median diameter and particle size summary value A [10% integrated diameter D10 ( ⁇ m) on a volume basis, median diameter D50 ( ⁇ m) on a volume basis, and 90% integrated diameter D90 ( ⁇ m) on a volume basis) for calcium myristate particles. ] And the thickness of the particles were measured by the above-mentioned method using the following devices, respectively.
  • Particle size summary value A median diameter 2.0 g of a sample was collected in a 100 ml glass beaker, and 3 to 5 ml of a nonionic surfactant (eg, Nonion NS-210 manufactured by Nichiyu Co., Ltd.) was dropped and blended with a spatula. No. Next, 20 ml of purified water was added and dispersed by ultrasonic waves to make 100 ml, which was used as a measurement sample. The sample was supplied to a particle size distribution measuring device (equipment name "Microtrack MT-3000" manufactured by Nikkiso Co., Ltd.) and measured (principle: laser diffraction / scattering method).
  • a particle size distribution measuring device equipment name "Microtrack MT-3000" manufactured by Nikkiso Co., Ltd.
  • the particle diameters at the points where the cumulative curves are 10%, 50%, and 90% are 10% diameter (D10) and 50% diameter, respectively. (D50; median diameter), 90% diameter (D90) ( ⁇ m). From the obtained D10, D50, and D90, the particle size summary value A was determined.
  • the particle thickness was measured by the following method using a scanning electron microscope. After adhering the particles to the carbon double-sided tape, a sample in which the particle surface was coated with platinum particles by a vapor deposition method was observed at an acceleration voltage of 1.0 kV and a magnification of 2000 times, and the thickness of any particle was measured.
  • magnesium myristate manufactured by Taihei Kagaku Sangyo Co., Ltd.
  • a median diameter of 17 ⁇ m was prepared.
  • the eye shadows of the examples containing the specific calcium myristate particles and the polar oil of the specific IOB all have excellent impact resistance and good hardness while having a high content of bright powder. there were.
  • the eye shadow of the comparative example did not have good impact resistance.
  • Examples 5 to 6 Comparative Examples 8 to 10: Eye shadow> Eye shadows were produced in the same manner as in Example 1 except that the compositions shown in Table 2 were used, and the impact resistance was evaluated in the same manner as in Example 1. The results are shown in Table 2.

Abstract

La présente invention concerne un produit cosmétique solide en poudre contenant un composant huileux et des particules d'un sel de calcium d'un acide gras ayant 12 à 22 atomes de carbone, le composant huileux comprenant une huile polaire ayant une valeur IOB supérieure ou égale à 0,01, et les particules du sel de calcium de l'acide gras ayant un diamètre médian de 4,0 à 15,0 µm, une valeur de somme de granularité A telle qu'exprimée par la formule spécifique A ≤ 2,0, et une épaisseur moyenne de 350 à 800 nm.
PCT/JP2021/006848 2020-02-28 2021-02-24 Produit cosmétique solide en poudre WO2021172351A1 (fr)

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JP2020033876A JP2021134195A (ja) 2020-02-28 2020-02-28 粉末固形化粧料

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JP2002038051A (ja) * 2000-07-31 2002-02-06 Nippon Sheet Glass Co Ltd ガラスフレーク、およびそれを配合した化粧料
JP2005330262A (ja) * 2004-04-20 2005-12-02 Kao Corp 固形粉末化粧料
JP2006069937A (ja) * 2004-08-31 2006-03-16 Kose Corp 固形粉末化粧料
WO2007114442A1 (fr) * 2006-04-05 2007-10-11 Nippon Sheet Glass Company, Limited Particule friable et pigment eclaircissant, et preparation cosmetique, composition de revetement, composition de resine et composition d'encre, chacune contenant ces elements
JP2008174492A (ja) * 2007-01-18 2008-07-31 Kose Corp 固形粉末化粧料
JP2012102061A (ja) * 2010-11-12 2012-05-31 Kao Corp 固形粉末化粧料
WO2016132967A1 (fr) * 2015-02-17 2016-08-25 日油株式会社 Savon métallique et procédé de production de celui-ci
JP2018131393A (ja) * 2017-02-13 2018-08-23 株式会社コーセー 水性メイクアップ化粧料

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002038051A (ja) * 2000-07-31 2002-02-06 Nippon Sheet Glass Co Ltd ガラスフレーク、およびそれを配合した化粧料
JP2005330262A (ja) * 2004-04-20 2005-12-02 Kao Corp 固形粉末化粧料
JP2006069937A (ja) * 2004-08-31 2006-03-16 Kose Corp 固形粉末化粧料
WO2007114442A1 (fr) * 2006-04-05 2007-10-11 Nippon Sheet Glass Company, Limited Particule friable et pigment eclaircissant, et preparation cosmetique, composition de revetement, composition de resine et composition d'encre, chacune contenant ces elements
JP2008174492A (ja) * 2007-01-18 2008-07-31 Kose Corp 固形粉末化粧料
JP2012102061A (ja) * 2010-11-12 2012-05-31 Kao Corp 固形粉末化粧料
WO2016132967A1 (fr) * 2015-02-17 2016-08-25 日油株式会社 Savon métallique et procédé de production de celui-ci
JP2018131393A (ja) * 2017-02-13 2018-08-23 株式会社コーセー 水性メイクアップ化粧料

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