WO2022177011A1 - Oily cosmetic - Google Patents

Oily cosmetic Download PDF

Info

Publication number
WO2022177011A1
WO2022177011A1 PCT/JP2022/007008 JP2022007008W WO2022177011A1 WO 2022177011 A1 WO2022177011 A1 WO 2022177011A1 JP 2022007008 W JP2022007008 W JP 2022007008W WO 2022177011 A1 WO2022177011 A1 WO 2022177011A1
Authority
WO
WIPO (PCT)
Prior art keywords
particles
less
mpa
cosmetic
mass
Prior art date
Application number
PCT/JP2022/007008
Other languages
French (fr)
Japanese (ja)
Inventor
瑞希 青木
恭平 小坂
アンジェラ クワック
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 CN202280011214.1A priority Critical patent/CN116761586A/en
Priority to JP2023500961A priority patent/JPWO2022177011A1/ja
Publication of WO2022177011A1 publication Critical patent/WO2022177011A1/en

Links

Images

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
    • 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
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • 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
    • A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair

Definitions

  • the present disclosure relates to oily cosmetics.
  • Patent Document 1 discloses (A) an oil containing two or more hydroxyl groups in the molecule, (B) a copolymer of an ⁇ -olefin having 18 or more carbon atoms and vinylpyrrolidone, and (C) a dextrin fatty acid ester. , the content ratio (A)/(B) of components (A) and (B) is 1 to 20.
  • wax, an oil agent other than wax, and silicic anhydride having a particle size of 10 to 30 ⁇ m are contained, and (A) one or two or more vegetable waxes are 9.5 to 34% with respect to the total amount of wax.
  • the total amount of the oil agent having a capacity of 5000 mPa s or more at 20°C and the pasty oil agent (b-1) is 30 to 45% by mass with respect to the total amount of the oily cosmetic composition, and 5000 mPa at 20°C. ⁇ Contains 20 to 40% by mass of vegetable paste oil with respect to the total amount (b-1) of oil and paste oil of 5000 mPa s or more at 20 ° C.
  • Oil-based cosmetics may contain relatively large particles such as scrubbing agents. Since such large particles tend to settle, if an oil-based cosmetic containing such particles is placed on the dashboard of a car exposed to a high-temperature environment of about 90°C in the summer, the cosmetic will not be absorbed. In some cases, the viscosity is reduced and the particles in the cosmetic are sedimented, resulting in the deterioration of the quality of the cosmetic.
  • thickening agents such as dextrin fatty acid esters or oils such as waxes that are solid at room temperature are generally blended to increase the viscosity of cosmetics.
  • the cosmetic cannot be applied to the skin in a normal temperature environment. When unfolded, it tended to give a feeling of heavy use.
  • the subject of the present disclosure is to provide an oil-based cosmetic that can reduce or suppress sedimentation of particles in a high-temperature environment while maintaining usability with light spreadability at room temperature.
  • ⁇ Aspect 1> At least one selected from the group consisting of polymer-based oil phase thickeners and thickening particles, and particles having an average particle size of 50 ⁇ m or more, Under an atmosphere of 25 ° C., using a Brookfield viscometer, the viscosity measured at 10 rpm is 400,000 mPa s or less, Under an atmosphere of 90 ° C., using a Brookfield viscometer, the viscosity measured at 10 rpm is 2,000 mPa s or more. oily cosmetics.
  • the polymeric oil phase thickener is a (styrene/isoprene) copolymer, (ethylene/propylene/styrene) copolymer, (styrene/butadiene) copolymer, (styrene/ethylene/butylene) copolymer, (styrene/propylene/butylene) copolymer , (styrene/butylene) copolymer, and (ethylene/propylene) copolymer.
  • an oil-based cosmetic that can reduce or suppress sedimentation of particles in a high-temperature environment while maintaining ease of use with light spread at room temperature.
  • 1 is a graph showing the relationship between temperature and viscosity of a mixture of a polymeric oil phase thickener (VERSAGELTM ME2000) and thickening particles (dimethylsilyl silica), and dextrin palmitate, which is a type of dextrin fatty acid ester.
  • VERSAGELTM ME2000 polymeric oil phase thickener
  • thickening particles dimethylsilyl silica
  • dextrin palmitate which is a type of dextrin fatty acid ester.
  • the oil-based cosmetic of the present disclosure (sometimes simply referred to as "cosmetics”) includes at least one selected from the group consisting of a polymer-based oil phase thickener and thickening particles, and It contains particles and has a viscosity of 400,000 mPa s or less measured at 10 rpm using a B-type viscometer in an atmosphere of 25 ° C., and measured at 10 rpm using a B-type viscometer in an atmosphere of 90 ° C. The viscosity applied is 2,000 mPa ⁇ s or more.
  • thickening oil-based cosmetics thickening ingredients such as dextrin fatty acid esters and waxes are generally used.
  • a viscosity-increasing component exhibits a viscosity behavior in which the viscosity drops sharply as the temperature rises, as shown in the graph of dextrin palmitate in FIG.
  • the polymer-based oil-phase thickener and/or thickening particles used in the oil-based cosmetic composition of the present disclosure have a viscosity such that the viscosity gradually decreases as the temperature rises. behavior.
  • FIG. 1 shows the viscosity behavior using a mixture of a polymer-based oil phase thickener and thickening particles, even when a polymer-based oil phase thickener or thickening particles are used alone, , exhibit similar viscosity behavior.
  • the present inventor has focused on the fact that among the thickening ingredients used in oil-based cosmetics, there are thickening ingredients that behave differently with increasing temperature.
  • viscosity-increasing ingredients such as dextrin fatty acid esters and waxes that are commonly used in oily cosmetics rapidly decrease in viscosity at high temperatures, as shown in FIG.
  • it has been attempted to increase the desired viscosity for example, to about 10 2 Pa ⁇ s at 70° C. as shown in FIG.
  • the graph of dextrin palmitate in FIG. 1 is expected to rise in the vertical direction as a whole. Therefore, when such a viscosity-increasing component is used, even if sedimentation of particles can be suppressed in a high-temperature environment, it is considered that usability with light elongation under normal temperature cannot be realized.
  • the difference in viscosity behavior between normal temperature and high temperature is due to the increase in dextrin fatty acid ester and wax. Since it is smaller than the viscous component, it does not need to be blended in the cosmetics to a high degree like the thickening component.
  • the oil-based cosmetic containing the polymer-based oil-phase thickener and/or the thickening particles maintains ease of use with light spread at room temperature, while reducing or suppressing sedimentation of the particles in a high-temperature environment. I think we can.
  • high temperature means 50°C or higher, 60°C or higher, 70°C or higher, 80°C or higher, or 90°C or higher. There is no particular upper limit, and for example, 100° C. or less, less than 100° C., 95° C. or less, or 90° C. or less can be intended.
  • Normal temperature in the present disclosure intends a range of, for example, 20°C ⁇ 15°C.
  • the oily cosmetic composition of the present disclosure exhibits a viscosity of 400,000 mPa ⁇ s or less measured at 10 rpm using a Brookfield viscometer in an atmosphere of 25°C. From the viewpoint of usability with light elongation, the viscosity is 350,000 mPa s or less, 300,000 mPa s or less, 250,000 mPa s or less, 200,000 mPa s or less, 150,000 mPa s or less, or 100 ,000 mPa ⁇ s or less.
  • the lower limit of the viscosity is not particularly limited, and may be, for example, 5,000 mPa ⁇ s or more, 8,000 mPa ⁇ s or more, or 10,000 mPa ⁇ s or more.
  • the oil-based cosmetic composition of the present disclosure exhibits a viscosity of 2,000 mPa ⁇ s or more when measured at 10 rpm using a Brookfield viscometer in an atmosphere of 90°C. From the viewpoint of sedimentation resistance of the particles in the cosmetic at high temperatures, the viscosity is 2,500 mPa ⁇ s or more, 3,000 mPa ⁇ s or more, 3,500 mPa ⁇ s or more, 4,000 mPa ⁇ s or more. It is preferably 500 mPa ⁇ s or more, or 5,000 mPa ⁇ s or more.
  • the upper limit of the viscosity is not particularly limited, and is, for example, 60,000 mPa s or less, 55,000 mPa s or less, 50,000 mPa s or less, 45,000 mPa s or less, or 40,000 mPa s or less. can do.
  • the oily cosmetic composition of the present disclosure exhibits a viscosity of 2,500 mPa ⁇ s or more when measured at 10 rpm using a Brookfield viscometer in an atmosphere of 70°C.
  • the viscosity is 3,000 mPa ⁇ s or more, 3,500 mPa ⁇ s or more, 4,000 mPa ⁇ s or more, 4,500 mPa ⁇ s or more, It is preferably 000 mPa ⁇ s or more, 5,500 mPa ⁇ s or more, 6,000 mPa ⁇ s or more, 6,500 mPa ⁇ s or more, or 7,000 mPa ⁇ s or more.
  • the upper limit of the viscosity is not particularly limited, and is, for example, 200,000 mPa s or less, 150,000 mPa s or less, 100,000 mPa s or less, 95,000 mPa s or less, or 90,000 mPa s or less. can do.
  • the oily cosmetic composition of the present disclosure exhibits a viscosity of 3,500 mPa ⁇ s or more when measured at 10 rpm using a Brookfield viscometer in an atmosphere of 60°C.
  • the viscosity is 4,000 mPa ⁇ s or more, 4,500 mPa ⁇ s or more, 5,000 mPa ⁇ s or more, 5,500 mPa ⁇ s or more. It is preferably 000 mPa ⁇ s or more, 7,000 mPa ⁇ s or more, 8,000 mPa ⁇ s or more, 9,000 mPa ⁇ s or more, or 10,000 mPa ⁇ s or more.
  • the upper limit of the viscosity is not particularly limited, and may be, for example, 250,000 mPa ⁇ s or less, 200,000 mPa ⁇ s or less, 150,000 mPa ⁇ s or less, or 100,000 mPa ⁇ s or less.
  • the viscosity described above can be controlled, for example, by adjusting the blending amount of the polymer-based oil phase thickener and/or the thickening particles.
  • the oil-based cosmetic of the present disclosure contains particles with an average particle size of 50 ⁇ m or more. Particles of such a size tend to settle when the viscosity of the cosmetic decreases in a high-temperature environment, but since the cosmetic of the present disclosure contains a specific thickener, such particles in a high-temperature environment Particle sedimentation can be reduced or inhibited.
  • the range of the average particle size of such particles is not particularly limited. ) can be 60 ⁇ m or more, 80 ⁇ m or more, 100 ⁇ m or more, 120 ⁇ m or more, 150 ⁇ m or more, 170 ⁇ m or more, 200 ⁇ m or more, 220 ⁇ m or more, or 250 ⁇ m or more.
  • the upper limit of the average particle size is not particularly limited, and may be, for example, 600 ⁇ m or less, 550 ⁇ m or less, 500 ⁇ m or less, 450 ⁇ m or less, 400 ⁇ m or less, 350 ⁇ m or less, or 300 ⁇ m or less.
  • the "average particle size" in the present disclosure can be obtained as follows: 6 g of the particle sample is placed on the top sieve (JIS K 8801-1 standard sieve (using a combination of 2,000 to 75 ⁇ m sieves)), and a measuring instrument (RPS-85C, manufactured by Seishin Enterprise Co., Ltd.). Classify for 5 minutes at Measure the weight of the sample remaining on each mesh sieve, plot the weight on normal probability paper, and the ratio (accumulated weight%) to the total sample weight (6 g) of the accumulated weight is 50% Particle diameter is the average particle size.
  • the amount of particles with an average particle size of 50 ⁇ m or more is from the viewpoint of light elongation at room temperature, sedimentation resistance at high temperatures, and the viewpoint of sufficiently expressing the performance of the particles (for example, scrubbing properties, cosmetic properties, etc.). Therefore, it can be 1.0% by mass or more, 2.0% by mass or more, 3.0% by mass or more, 4.0% by mass or more, or 5.0% by mass or more with respect to the total amount of the cosmetic.
  • the upper limit of the content of such particles is not particularly limited, and can be, for example, 20% by mass or less, 15% by mass or less, 10% by mass or less, or 8.0% by mass or less.
  • Particles with an average particle diameter of 50 ⁇ m or more are not particularly limited, and examples include scrubbing agents and glitter pigments. Among them, in recent years, the popularity of oil-based cosmetics containing scrubbing agents has increased, and the oil-based cosmetics of the present disclosure can suitably use scrubbing agents as particles having an average particle size of 50 ⁇ m or more.
  • the scrubbing agent and brightening pigment may be used alone or in combination.
  • the scrubbing agent is not particularly limited, and examples thereof include inorganic salts, crushed plant seeds, disintegrating particles obtained by granulating polymer compounds, saccharides, crystalline cellulose, agar, konjac, and polyacrylates.
  • the scrubbing agent is preferably water-soluble, and from the viewpoint of less irritation to the skin and high safety (for example, it does not cause problems even if it is put in the mouth), it is composed of sugars. It is preferable to use an agent (sometimes simply referred to as a "sugar scrub agent").
  • water-soluble in the present disclosure means that the solubility in water at 20°C is at least 50 g/100 mL, preferably 100 g/100 mL or more, more preferably 150 g/100 mL or more.
  • the upper limit of the solubility is not particularly limited, but can be, for example, 500 g/100 mL or less, 400 g/100 mL or less, 300 g/100 mL or less, or 200 g/100 mL or less.
  • a scrub agent can be used individually or in combination of 2 or more types.
  • inorganic salts include sodium chloride, sodium hydrogen carbonate, sodium carbonate, calcium phosphate, sodium sulfate, sodium sesquicarbonate, magnesium chloride, magnesium oxide, magnesium carbonate, and calcium carbonate.
  • Examples of pulverized plant seeds include walnut shell grains, walnut seeds, apricot seeds, and peach seeds.
  • sugars examples include monosaccharides, polysaccharides, and sugar alcohols.
  • Monosaccharides include, for example, glucose, fructose, xylose, mannose, and galactose.
  • polysaccharides examples include sucrose, trehalose, lactose, maltose, and cellulose.
  • sugar alcohols examples include sorbitol, maltitol, xylitol, mannitol, lactitol, and erythritol.
  • sugars at least one selected from the group consisting of fructose, sucrose, lactitol, xylitol, and sorbitol is preferred, and sucrose is particularly preferred.
  • the bright pigment may be colorless, white, or colored. Colorless, white, and colored luster pigments may be used alone or in combination.
  • Luster pigments include, for example, titanium mica, iron oxide-coated titanium mica, carmine-coated titanium mica, carmine/conjo-coated titanium mica, iron oxide/carmine-treated titanium mica, iron oxide/conjo-treated titanium mica, iron oxide/conjo-treated titanium mica, Chromium oxide-treated mica titanium, black titanium oxide-treated mica titanium, acrylic resin-coated aluminum powder, silica-coated aluminum powder, titanium oxide-coated mica, titanium oxide-coated bismuth oxychloride, titanium oxide-coated talc, colored titanium oxide-coated mica, titanium oxide-coated Synthetic mica, titanium oxide-coated silica, titanium oxide-coated alumina, titanium oxide-coated glass powder, polyethylene terephthalate/polymethyl methacrylate laminated film powder, bismuth oxychloride, fish scale foil, mica coated with iron oxide and titanium oxide, red iron oxide coating Titanium oxide-coated mica such as iron oxide such as mica, powdery hollow titanium oxide in which silica is interposed between mica and
  • the colorless bright pigment a known transparent bright pigment can be used.
  • a luster pigment in which a glass particle is used as a base material and a film formed of a high refractive index material such as titanium dioxide is formed on the surface of the base material.
  • the term "glitter pigment” means a pigment that does not contain a coloring material and exhibits luster.
  • the "colored bright pigment” intends a bright pigment exhibiting a color other than colorless or white.
  • Luster pigments typically have a plate-like shape such as flakes or scales.
  • the oil-based cosmetic of the present disclosure contains at least one selected from the group consisting of polymer-based oil-phase thickeners and thickening particles as a thickener. By using such a thickener, the viscosity of the cosmetic can be adjusted within the range described above.
  • the thickener may be appropriately blended so that the cosmetic can exhibit the viscosity described above, and the blending amount is not particularly limited. .
  • the blending amount of such a thickener is 0.5% by mass or more and 1.0% by mass with respect to the total amount of the cosmetic, from the viewpoint of lightness of elongation at normal temperature and sedimentation resistance at high temperature.
  • % or more 3.0% by mass or more, 5.0% by mass or more, 7.0% by mass or more, 10% by mass or more, 15% by mass or more, 20% by mass or more, 25% by mass or more, or 30% by mass or more 60% by mass or less, 50% by mass or less, 40% by mass or less, 30% by mass or less, 20% by mass or less, 17% by mass or less, 15% by mass or less, 13% by mass or less, or 10% by mass % or less.
  • the polymer-based oil phase thickener is not particularly limited, and for example, an agent containing a copolymer having at least one selected from the group consisting of ethylene monomer units and styrene monomer units can be used.
  • a copolymer having styrene monomer units (styrene segments) can cause the styrene segments in the copolymer to mutually attract each other in the oil phase to develop a three-dimensional network structure between the copolymers, thereby The phase can be thickened.
  • polymeric oil phase thickeners include (styrene/isoprene) copolymers, (ethylene/propylene/styrene) copolymers, (styrene/butadiene) copolymers, (styrene/ethylene/butylene) copolymers, At least one selected from the group consisting of (styrene/propylene/butylene) copolymers, (styrene/butylene) copolymers, and (ethylene/propylene) copolymers can be mentioned. These copolymers may be hydrogenated (hydrogenated).
  • the polymer-based oil-phase thickener includes hydrogenated (styrene/isoprene) copolymers, (ethylene/propylene/styrene) copolymers, At least one selected from the group consisting of (styrene/ethylene/butylene) copolymers and (ethylene/propylene) copolymers is preferred.
  • thickening particles When thickening particles are used as a thickening agent, such thickening particles may be appropriately blended so that the cosmetic can exhibit the above-described viscosity, and the blending amount is not particularly limited.
  • the blending amount of the thickening particles is 0.5% by mass or more and 1.0% by mass with respect to the total amount of the cosmetic, from the viewpoint of light elongation at normal temperature and sedimentation resistance at high temperature.
  • the thickening particles are not particularly limited, and examples include at least one selected from the group consisting of fumed silicic anhydride and organically modified clay minerals.
  • the thickening particles may be subjected to hydrophobic treatment. Since the thickening particles can thicken the oil phase, they can also be referred to as oil phase thickening particles.
  • organically modified clay minerals include water-swelling clay minerals treated with quaternary ammonium salts.
  • the oily cosmetic of the present disclosure typically contains oil.
  • the amount of the oil to be blended is not particularly limited. % or less, 90 mass % or less, 85 mass % or less, 80 mass % or less, 75 mass % or less, or 70 mass % or less.
  • the oil is not particularly limited, and may be, for example, animal oil, vegetable oil, or synthetic oil, and its properties may be, for example, semi-solid, liquid, or volatile. Specific examples include hydrocarbon oils, oils and fats, hydrogenated oils, fatty acids, higher alcohols, silicone oils, fluorinated oils, and polar oils.
  • An oil component can be used individually or in combination of 2 or more types.
  • hydrocarbon oils examples include liquid paraffin, heavy liquid isoparaffin, ⁇ -olefin oligomers, squalane, petrolatum, polyisobutene, hydrogenated polyisobutene, polybutene, hydrogenated polybutene, polydecene, and hydrogenated polydecene.
  • oils and fats examples include olive oil, castor oil, jojoba oil, mink oil, and macadamia nut oil.
  • fatty acids examples include stearic acid, lauric acid, myristic acid, behenic acid, isostearic acid, and oleic acid.
  • higher alcohols examples include stearyl alcohol, cetyl alcohol, lauryl alcohol, oleyl alcohol, isostearyl alcohol, behenyl alcohol, and octyldodecanol.
  • silicones include low polymerization degree dimethylpolysiloxane, high polymerization degree dimethylpolysiloxane, methylphenylpolysiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, polyether-modified polysiloxane, polyoxyalkylene alkylmethyl Polysiloxane-methylpolysiloxane copolymers, alkoxy-modified polysiloxanes, crosslinked organopolysiloxanes, and fluorine-modified polysiloxanes can be mentioned.
  • fluorine-based oils examples include perfluorodecane, perfluorooctane, and perfluoropolyether.
  • Polar oils include, for example, polar oils having an IOB of 0.10 or more, 0.15 or more, 0.20 or more, 0.22 or more, or 0.24 or more.
  • IOB Inorganic/Organic Balance
  • the IOB value is an abbreviation for Inorganic/Organic Balance (inorganic/organic ratio), which is a value representing the ratio of the inorganic value to the organic value, and is an index indicating the degree of polarity of an organic compound. It becomes.
  • Such polar oils include, for example, neopentyl glycol dicaprate, glyceryl tri-2-ethylhexanoate, pentaerythrityl tetra-2-ethylhexanoate, glyceryl tri(capry/caprate), diethylhexyl sebacate, and octyldodeca.
  • the oil-based cosmetic composition of the present disclosure can appropriately contain various components in addition to the components described above within a range that does not affect the effects of the present invention.
  • various components include moisturizers, preservatives, antifoaming agents, antioxidants, ultraviolet absorbers, polymers, surfactants, drugs, alcohols, antibacterial agents, solvents, coloring materials, and fragrances. can.
  • Optional components can be used alone or in combination of two or more.
  • the ultraviolet absorber is not particularly limited, and examples thereof include ethylhexyl methoxycinnamate, octocrylene, polysilicone-15, t-butylmethoxydibenzoylmethane, ethylhexyltriazon, bisethylhexyloxyphenolmethoxyphenyltriazine, and diethylaminohydroxybenzoyl.
  • Organic UV absorbers such as hexyl benzoate, oxybenzone-3, methylenebisbenzotriazolyltetramethylbutylphenol, homosalate, and ethylhexyl salicylate can be mentioned.
  • a ultraviolet absorber can be used individually or in combination of 2 or more types. Incidentally, such an organic ultraviolet absorber may be regarded as an oil component.
  • coloring material intends a material that does not exhibit luster and can cause the cosmetic to develop color, and specifically intends materials that are generally called inorganic pigments, organic pigments, and dyes. can be done.
  • the type of coloring material is not particularly limited, and can be selected as appropriate in consideration of cosmetic properties when applying cosmetics. Colorants can be used alone or in combination of two or more.
  • inorganic pigments include, for example, inorganic red pigments (e.g., iron oxide (red iron oxide), iron titanate, etc.); inorganic brown pigments (e.g., ⁇ -iron oxide, etc.); inorganic yellow pigments ( For example, yellow iron oxide, ocher, etc.); inorganic black pigments (e.g., black iron oxide, low order titanium oxide, etc.); inorganic purple pigments (e.g., manganese violet, cobalt violet, etc.); inorganic green pigments (e.g., Chromium oxide, chromium hydroxide, cobalt titanate, etc.); Inorganic blue pigments (e.g., ultramarine blue, Prussian blue, etc.); Inorganic white pigments (e.g., titanium dioxide, zinc oxide, etc.); Metal powders (e.g., aluminum, gold, silver, copper, etc.).
  • inorganic red pigments e.g., iron oxide (red iron oxide), iron titanate, etc.
  • organic pigments include organic pigments such as zirconium, barium, and aluminum lakes, such as Red No. 2, Red No. 3, Red No. 102, Red No. 104, Red No. 105, Red No. 106, Red No. 201, and Red No. 202. Red No. 203, Red No. 204, Red No. 205, Red No. 206, Red No. 207, Red No. 208, Red No. 213, Red No. 214, Red No. 215, Red No. 218, Red No. 219, Red No. 220, Red No. 221, Red No. 223, Red No. 225, Red No. 226, Red No. 227, Red No. 228, Red No. 230, Red No. 231, Red No. 232, Red No.
  • organic pigments such as zirconium, barium, and aluminum lakes, such as Red No. 2, Red No. 3, Red No. 102, Red No. 104, Red No. 105, Red No. 106, Red No. 201, and Red No. 202
  • Examples of natural pigments include ⁇ -carotene, cochineal pigment, red cabbage pigment, riboflavin, crocin, anthraquinone, canthaxanthin, and safflower pigment.
  • the oil-based cosmetic of the present disclosure may contain a thickening component other than the polymer-based oil phase thickener and the thickening particles, but the elongation at room temperature becomes slow, and the particles in the cosmetic settle at high temperatures. 6.0% by mass or less, 5.0% by mass or less, 4.0% by mass or less, relative to the total amount of the cosmetic composition 3.0% by mass or less, 2.0% by mass or less, or 1.0% by mass or less.
  • thickening components other than the polymer-based oil phase thickener and the thickening particles in the cosmetic it is preferable not to incorporate thickening components other than the polymer-based oil phase thickener and the thickening particles in the cosmetic. .
  • the "viscosity-increasing component" in the present disclosure does not include the above-mentioned hydrocarbon oils, fats and oils, hydrogenated oils, fatty acids, higher alcohols, silicone oils, fluorine-based oils, and polar oils. Moreover, it is intended to be a component capable of increasing the viscosity of the cosmetic at 25°C when such a component is blended into the cosmetic, compared to the viscosity at 25°C of the cosmetic without blending the thickening component.
  • Specific examples of thickening components include thickeners such as dextrin fatty acid esters (eg, dextrin palmitate), and waxes and waxes.
  • the method for producing the oil-based cosmetic composition of the present disclosure is not particularly limited, and known production methods can be employed. An example of the method for producing the oily cosmetic of the present disclosure is shown below.
  • Oil-based makeup containing at least one selected from the group consisting of the above-mentioned polymer-based thickeners and thickening particles, particles having an average particle size of 50 ⁇ m or more, oil, and optional ingredients such as colorants as needed
  • An oily composition is prepared by kneading a raw material mixture for a food while heating in a temperature range of 80 to 150°C.
  • the particles having an average particle diameter of 50 ⁇ m or more and the optional powder such as the coloring material are obtained by heating at least one selected from the group consisting of polymer-based thickeners and thickening particles and oil. It may be added to the blended mixture.
  • the prepared oily composition is filled in a container while being heated in the temperature range of 80 to 150°C, and cooled to room temperature (eg, 0 to 30°C) to obtain the oily cosmetic composition of the present disclosure.
  • the above oil-based composition like the oil-based cosmetic of the present disclosure, exhibits a viscosity of 2,000 mPa ⁇ s or more when measured at 10 rpm in an atmosphere of 90° C. using a Brookfield viscometer. Therefore, even if the above production method requiring heating at 80 to 150° C. is employed, sedimentation of particles having an average particle diameter of 50 ⁇ m or more is reduced or suppressed, so that such particles can be uniformly dispersed in the composition. can be done.
  • oil-based cosmetic of the present disclosure exhibits a viscosity of 400,000 mPa s or less measured at 10 rpm using a Brookfield viscometer in an atmosphere of 25 ° C., it is liquid, cream-like, gel-like, or A paste-like form can be selected as appropriate.
  • oils-based cosmetic of the present disclosure are not particularly limited, and examples include lip cosmetics such as lipstick, lip scrub, lip gloss, and lip balm; and hair cosmetics.
  • the oil-based cosmetic of the present disclosure is preferably used as a lip cosmetic, and more preferably used as a lip scrub containing a scrubbing agent.
  • This oily composition was filled into a glass container while being heated to 90°C, and cooled to room temperature (about 25°C) to obtain an oily cosmetic.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

Provided is an oily cosmetic with which the precipitation of particles in a high-temperature environment can be reduced or suppressed while maintaining light spreadability at room temperature.　An oily cosmetic according to the present disclosure comprises: at least one selected from the group consisting of a polymer-based oil phase thickener and thickening particles; and particles having an average particle diameter of at least 50 μm, wherein the viscosity measured at 10 rpm by using a B-type viscometer in an atmosphere of 25ºC is at most 400,000 mPa∙s, and the viscosity measured at 10 rpm by using a B-type viscometer in an atmosphere of 90ºC is at least 2,000 mPa∙s.

Description

油性化粧料oily cosmetics
　本開示は、油性化粧料に関する。 The present disclosure relates to oily cosmetics.
　近年、種々の油性化粧料が開発されている。 In recent years, various oil-based cosmetics have been developed.
　特許文献１には、（Ａ）分子中に水酸基を２つ以上含む油剤、（Ｂ）炭素数１８以上のα－オレフィンとビニルピロリドンとの共重合体、及び（Ｃ）デキストリン脂肪酸エステルを含有し、成分（Ａ）及び（Ｂ）の含有質量割合（Ａ）／（Ｂ）が１～２０である、油性化粧料が開示されている。 Patent Document 1 discloses (A) an oil containing two or more hydroxyl groups in the molecule, (B) a copolymer of an α-olefin having 18 or more carbon atoms and vinylpyrrolidone, and (C) a dextrin fatty acid ester. , the content ratio (A)/(B) of components (A) and (B) is 1 to 20.
　特許文献２には、ワックス、ワックス以外の油剤及び粒径１０～３０μｍの無水ケイ酸を含有し、（Ａ）ワックス総量に対して植物性ワックスの１種又は２種以上が９．５～３４質量％であり、（Ｂ）２０℃で５０００ｍＰａ・ｓ以上の油剤及びペースト状油剤の合計量（ｂ－１）が油性化粧料の全量に対して３０～４５質量％であり、２０℃で５０００ｍＰａ・ｓ以上の油剤及びペースト状油剤の合計量（ｂ－１）に対して２０～４０質量％の植物性ペースト状油剤を含有し、２０℃で５０００ｍＰａ・ｓ以上の油剤及びペースト状油剤の合計量（ｂ－１）とワックス以外の油剤で（ｂ－１）に該当しないものの合計量（ｂ－２）との質量比が、（ｂ－１）：（ｂ－２）＝１：０．９～１：１．５であり、（Ｃ）前記粒径１０～３０μｍの無水ケイ酸は、油性化粧料全量に対して１～１０質量％である、油性化粧料が開示されている。 In Patent Document 2, wax, an oil agent other than wax, and silicic anhydride having a particle size of 10 to 30 μm are contained, and (A) one or two or more vegetable waxes are 9.5 to 34% with respect to the total amount of wax. (B) The total amount of the oil agent having a capacity of 5000 mPa s or more at 20°C and the pasty oil agent (b-1) is 30 to 45% by mass with respect to the total amount of the oily cosmetic composition, and 5000 mPa at 20°C.・Contains 20 to 40% by mass of vegetable paste oil with respect to the total amount (b-1) of oil and paste oil of 5000 mPa s or more at 20 ° C. Total of oil and paste oil The mass ratio of the amount (b-1) and the total amount (b-2) of oils other than wax that do not correspond to (b-1) is (b-1):(b-2)=1:0. 9 to 1:1.5, and (C) the silicic anhydride having a particle size of 10 to 30 μm is 1 to 10% by mass with respect to the total amount of the oily cosmetic.
特開２０２０－１６４４２５号公報JP 2020-164425 A 特開２０１０－０２４１５１号公報JP 2010-024151 A
　油性化粧料には、スクラブ剤などの比較的大きな粒子が配合される場合がある。このような大きな粒子は沈降しやすいので、かかる粒子を含む油性化粧料を、夏場の高温環境下、例えば、９０℃程度の高温環境に晒される車内のダッシュボードに置いておくと、化粧料の粘度が減少して化粧料中の粒子が沈降し、化粧料の品質が低下するという不具合を生じる場合があった。 Oil-based cosmetics may contain relatively large particles such as scrubbing agents. Since such large particles tend to settle, if an oil-based cosmetic containing such particles is placed on the dashboard of a car exposed to a high-temperature environment of about 90°C in the summer, the cosmetic will not be absorbed. In some cases, the viscosity is reduced and the particles in the cosmetic are sedimented, resulting in the deterioration of the quality of the cosmetic.
　このような粒子の沈降を抑制するには、一般的に、デキストリン脂肪酸エステルなどの増粘剤又は常温で固形のワックスなどの油分を高度に配合して化粧料の粘度を上昇させていた。しかし、このような増粘性成分を高度に配合して化粧料の粘度を上昇させ、高温環境下での粒子の沈降を抑制できたとしても、今度は、常温環境下において化粧料を肌に塗り広げるときに、伸びの重い使用感を呈しやすかった。 In order to suppress the sedimentation of such particles, thickening agents such as dextrin fatty acid esters or oils such as waxes that are solid at room temperature are generally blended to increase the viscosity of cosmetics. However, even if it is possible to increase the viscosity of the cosmetic by blending such a thickening component at a high level and suppress the sedimentation of particles in a high-temperature environment, the cosmetic cannot be applied to the skin in a normal temperature environment. When unfolded, it tended to give a feeling of heavy use.
　したがって、本開示の主題は、常温下での伸びの軽い使用性を維持しつつ、高温環境下での粒子の沈降を低減又は抑制し得る油性化粧料を提供することである。 Therefore, the subject of the present disclosure is to provide an oil-based cosmetic that can reduce or suppress sedimentation of particles in a high-temperature environment while maintaining usability with light spreadability at room temperature.
〈態様１〉
　ポリマー系油相増粘剤及び増粘性粒子からなる群から選択される少なくとも一種、並びに、平均粒子径が５０μｍ以上の粒子を含み、
　２５℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、４００，０００ｍＰａ・ｓ以下であり、
　９０℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、２，０００ｍＰａ・ｓ以上である、
油性化粧料。
〈態様２〉
　前記ポリマー系油相増粘剤が、（スチレン／イソプレン）コポリマー、（エチレン／プロピレン／スチレン）コポリマー、（スチレン／ブタジエン）コポリマー、（スチレン／エチレン／ブチレン）コポリマー、（スチレン／プロピレン／ブチレン）コポリマー、（スチレン／ブチレン）コポリマー、及び（エチレン／プロピレン）コポリマーからなる群から選ばれる少なくとも一種のコポリマーである、態様１に記載の化粧料。
〈態様３〉
　前記増粘性粒子が、煙霧状無水ケイ酸及び有機変性粘土鉱物からなる群から選択される少なくとも一種である、態様１又は２に記載の化粧料。
〈態様４〉
　前記平均粒子径が５０μｍ以上の粒子が、スクラブ剤である、態様１～３のいずれかに記載の化粧料。
〈態様５〉
　前記平均粒子径が５０μｍ以上の粒子の含有量が、化粧料の全量に対し、１．０質量％以上である、態様１～４のいずれかに記載の化粧料。
〈態様６〉
　前記ポリマー系油相増粘剤及び前記増粘性粒子以外の増粘性成分の含有量が、化粧料の全量に対し、６．０質量％以下である、態様１～５のいずれかに記載の化粧料。 <Aspect 1>
At least one selected from the group consisting of polymer-based oil phase thickeners and thickening particles, and particles having an average particle size of 50 μm or more,
Under an atmosphere of 25 ° C., using a Brookfield viscometer, the viscosity measured at 10 rpm is 400,000 mPa s or less,
Under an atmosphere of 90 ° C., using a Brookfield viscometer, the viscosity measured at 10 rpm is 2,000 mPa s or more.
oily cosmetics.
<Aspect 2>
The polymeric oil phase thickener is a (styrene/isoprene) copolymer, (ethylene/propylene/styrene) copolymer, (styrene/butadiene) copolymer, (styrene/ethylene/butylene) copolymer, (styrene/propylene/butylene) copolymer , (styrene/butylene) copolymer, and (ethylene/propylene) copolymer.
<Aspect 3>
The cosmetic according to aspect 1 or 2, wherein the thickening particles are at least one selected from the group consisting of fumed silicic anhydride and organically modified clay minerals.
<Aspect 4>
4. The cosmetic material according to any one of aspects 1 to 3, wherein the particles having an average particle size of 50 μm or more are scrubbing agents.
<Aspect 5>
The cosmetic according to any one of aspects 1 to 4, wherein the content of particles having an average particle diameter of 50 μm or more is 1.0% by mass or more relative to the total amount of the cosmetic.
<Aspect 6>
The cosmetic according to any one of aspects 1 to 5, wherein the content of the thickening component other than the polymer-based oil phase thickener and the thickening particles is 6.0% by mass or less with respect to the total amount of the cosmetic. fee.
　本開示によれば、常温下での伸びの軽い使用性を維持しつつ、高温環境下での粒子の沈降を低減又は抑制し得る油性化粧料を提供することができる。 According to the present disclosure, it is possible to provide an oil-based cosmetic that can reduce or suppress sedimentation of particles in a high-temperature environment while maintaining ease of use with light spread at room temperature.
ポリマー系油相増粘剤（ＶＥＲＳＡＧＥＬ（商標）ＭＥ２０００）及び増粘性粒子（ジメチルシリル化シリカ）の混合物、及びデキストリン脂肪酸エステルの一種であるパルミチン酸デキストリンの温度と粘度の関係を示すグラフである。1 is a graph showing the relationship between temperature and viscosity of a mixture of a polymeric oil phase thickener (VERSAGEL™ ME2000) and thickening particles (dimethylsilyl silica), and dextrin palmitate, which is a type of dextrin fatty acid ester.
　以下、本開示の実施の形態について詳述する。本開示は、以下の実施の形態に限定されるものではなく、発明の本旨の範囲内で種々変形して実施できる。 The embodiments of the present disclosure will be described in detail below. The present disclosure is not limited to the following embodiments, and various modifications can be made within the scope of the spirit of the invention.
　本開示の油性化粧料（単に「化粧料」という場合がある。）は、ポリマー系油相増粘剤及び増粘性粒子からなる群から選択される少なくとも一種、並びに、平均粒子径が５０μｍ以上の粒子を含み、２５℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、４００，０００ｍＰａ・ｓ以下であり、９０℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、２，０００ｍＰａ・ｓ以上という構成を備えている。 The oil-based cosmetic of the present disclosure (sometimes simply referred to as "cosmetics") includes at least one selected from the group consisting of a polymer-based oil phase thickener and thickening particles, and It contains particles and has a viscosity of 400,000 mPa s or less measured at 10 rpm using a B-type viscometer in an atmosphere of 25 ° C., and measured at 10 rpm using a B-type viscometer in an atmosphere of 90 ° C. The viscosity applied is 2,000 mPa·s or more.
　原理によって限定されるものではないが、このような油性化粧料が、常温下での伸びの軽い使用性を維持しつつ、高温環境下での粒子の沈降を抑制し得る作用原理は以下のとおりであると考える。 Although it is not limited by the principle, the action principle that such an oily cosmetic can maintain the usability with light spread at room temperature and suppress the sedimentation of particles in a high temperature environment is as follows. I believe that.
　油性化粧料を増粘させる場合、一般には、デキストリン脂肪酸エステル及びワックスなどの増粘性成分が使用されている。このような増粘性成分は、図１のパルミチン酸デキストリンのグラフが示すように、温度の上昇に伴って粘度が急激に低下するような粘度挙動を示す。その一方で、本開示の油性化粧料で使用するポリマー系油相増粘剤及び／又は増粘性粒子は、図１に示すように、温度の上昇に伴って粘度が緩やかに低下するような粘度挙動を示す。なお、図１では、ポリマー系油相増粘剤と増粘性粒子の混合物を使用した粘度挙動が示されているが、ポリマー系油相増粘剤又は増粘性粒子を単独で使用した場合にも、同様の粘度挙動を示す。 When thickening oil-based cosmetics, thickening ingredients such as dextrin fatty acid esters and waxes are generally used. Such a viscosity-increasing component exhibits a viscosity behavior in which the viscosity drops sharply as the temperature rises, as shown in the graph of dextrin palmitate in FIG. On the other hand, as shown in FIG. 1, the polymer-based oil-phase thickener and/or thickening particles used in the oil-based cosmetic composition of the present disclosure have a viscosity such that the viscosity gradually decreases as the temperature rises. behavior. Although FIG. 1 shows the viscosity behavior using a mixture of a polymer-based oil phase thickener and thickening particles, even when a polymer-based oil phase thickener or thickening particles are used alone, , exhibit similar viscosity behavior.
　本発明者は、油性化粧料で使用される増粘性成分の中において、温度上昇に伴う粘度挙動が相違する増粘性成分があることに着目した。 The present inventor has focused on the fact that among the thickening ingredients used in oil-based cosmetics, there are thickening ingredients that behave differently with increasing temperature.
　つまり、油性化粧料で一般的に使用されているデキストリン脂肪酸エステル及びワックスなどの増粘性成分は、図１に示すように、高温になると粘度が急激に低下する。その結果、このような増粘性成分を化粧料に高度に配合して、目的とする粘度、例えば、図１に示されるような７０℃で１０２Ｐａ・ｓ程度にまで粘度を上昇させようとすると、図１のパルミチン酸デキストリンのグラフは全体的に縦軸方向に上昇することが予想される。したがって、このような増粘性成分を使用した場合には、高温環境下での粒子の沈降が抑制できたとしても、常温下での伸びの軽い使用性を発現させることができないと考えられる。 That is, viscosity-increasing ingredients such as dextrin fatty acid esters and waxes that are commonly used in oily cosmetics rapidly decrease in viscosity at high temperatures, as shown in FIG. As a result, it has been attempted to increase the desired viscosity, for example, to about 10 2 Pa·s at 70° C. as shown in FIG. Then, the graph of dextrin palmitate in FIG. 1 is expected to rise in the vertical direction as a whole. Therefore, when such a viscosity-increasing component is used, even if sedimentation of particles can be suppressed in a high-temperature environment, it is considered that usability with light elongation under normal temperature cannot be realized.
　一方、本開示の油性化粧料で使用するポリマー系油相増粘剤及び／又は増粘性粒子の場合には、常温下及び高温下での粘度挙動の差が、デキストリン脂肪酸エステル及びワックスなどの増粘性成分の場合に比べて小さいため、このような増粘性成分のように化粧料中に高度に配合する必要がない。その結果、ポリマー系油相増粘剤及び／又は増粘性粒子を含む油性化粧料は、常温下での伸びの軽い使用性を維持しつつ、高温環境下での粒子の沈降を低減又は抑制することができると考えている。 On the other hand, in the case of the polymer-based oil-phase thickener and/or thickening particles used in the oil-based cosmetic composition of the present disclosure, the difference in viscosity behavior between normal temperature and high temperature is due to the increase in dextrin fatty acid ester and wax. Since it is smaller than the viscous component, it does not need to be blended in the cosmetics to a high degree like the thickening component. As a result, the oil-based cosmetic containing the polymer-based oil-phase thickener and/or the thickening particles maintains ease of use with light spread at room temperature, while reducing or suppressing sedimentation of the particles in a high-temperature environment. I think we can.
　本開示における用語の定義は以下のとおりである。 The definitions of terms in this disclosure are as follows.
　本開示において「高温」とは、５０℃以上、６０℃以上、７０℃以上、８０℃以上、又は９０℃以上を意図する。上限値について特に制限はなく、例えば、１００℃以下、１００℃未満、９５℃以下、又は９０℃以下を意図することができる。 In the present disclosure, "high temperature" means 50°C or higher, 60°C or higher, 70°C or higher, 80°C or higher, or 90°C or higher. There is no particular upper limit, and for example, 100° C. or less, less than 100° C., 95° C. or less, or 90° C. or less can be intended.
　本開示において「常温」とは、例えば、２０℃±１５℃の範囲を意図する。 "Normal temperature" in the present disclosure intends a range of, for example, 20°C ± 15°C.
《油性化粧料》
　本開示の油性化粧料は、２５℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、４００，０００ｍＰａ・ｓ以下を呈する。かかる粘度は、伸びの軽い使用性の観点から、３５０，０００ｍＰａ・ｓ以下、３００，０００ｍＰａ・ｓ以下、２５０，０００ｍＰａ・ｓ以下、２００，０００ｍＰａ・ｓ以下、１５０，０００ｍＰａ・ｓ以下、又は１００，０００ｍＰａ・ｓ以下であることが好ましい。かかる粘度の下限値としては特に制限はなく、例えば、５，０００ｍＰａ・ｓ以上、８，０００ｍＰａ・ｓ以上、又は１０，０００ｍＰａ・ｓ以上とすることができる。 《Oil-based cosmetics》
The oily cosmetic composition of the present disclosure exhibits a viscosity of 400,000 mPa·s or less measured at 10 rpm using a Brookfield viscometer in an atmosphere of 25°C. From the viewpoint of usability with light elongation, the viscosity is 350,000 mPa s or less, 300,000 mPa s or less, 250,000 mPa s or less, 200,000 mPa s or less, 150,000 mPa s or less, or 100 ,000 mPa·s or less. The lower limit of the viscosity is not particularly limited, and may be, for example, 5,000 mPa·s or more, 8,000 mPa·s or more, or 10,000 mPa·s or more.
　本開示の油性化粧料は、９０℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、２，０００ｍＰａ・ｓ以上を呈する。かかる粘度は、化粧料中の粒子の高温下における耐沈降性の観点から、２，５００ｍＰａ・ｓ以上、３，０００ｍＰａ・ｓ以上、３，５００ｍＰａ・ｓ以上、４，０００ｍＰａ・ｓ以上、４，５００ｍＰａ・ｓ以上、又は５，０００ｍＰａ・ｓ以上であることが好ましい。かかる粘度の上限値としては特に制限はなく、例えば、６０，０００ｍＰａ・ｓ以下、５５，０００ｍＰａ・ｓ以下、５０，０００ｍＰａ・ｓ以下、４５，０００ｍＰａ・ｓ以下、又は４０，０００ｍＰａ・ｓ以下とすることができる。 The oil-based cosmetic composition of the present disclosure exhibits a viscosity of 2,000 mPa·s or more when measured at 10 rpm using a Brookfield viscometer in an atmosphere of 90°C. From the viewpoint of sedimentation resistance of the particles in the cosmetic at high temperatures, the viscosity is 2,500 mPa·s or more, 3,000 mPa·s or more, 3,500 mPa·s or more, 4,000 mPa·s or more. It is preferably 500 mPa·s or more, or 5,000 mPa·s or more. The upper limit of the viscosity is not particularly limited, and is, for example, 60,000 mPa s or less, 55,000 mPa s or less, 50,000 mPa s or less, 45,000 mPa s or less, or 40,000 mPa s or less. can do.
　いくつかの実施態様において、本開示の油性化粧料は、７０℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、２，５００ｍＰａ・ｓ以上を呈する。かかる粘度は、化粧料中の粒子の高温下における耐沈降性の観点から、３，０００ｍＰａ・ｓ以上、３，５００ｍＰａ・ｓ以上、４，０００ｍＰａ・ｓ以上、４，５００ｍＰａ・ｓ以上、５，０００ｍＰａ・ｓ以上、５，５００ｍＰａ・ｓ以上、６，０００ｍＰａ・ｓ以上、６，５００ｍＰａ・ｓ以上、又は７，０００ｍＰａ・ｓ以上であることが好ましい。かかる粘度の上限値としては特に制限はなく、例えば、２００，０００ｍＰａ・ｓ以下、１５０，０００ｍＰａ・ｓ以下、１００，０００ｍＰａ・ｓ以下、９５，０００ｍＰａ・ｓ以下、又は９０，０００ｍＰａ・ｓ以下とすることができる。 In some embodiments, the oily cosmetic composition of the present disclosure exhibits a viscosity of 2,500 mPa·s or more when measured at 10 rpm using a Brookfield viscometer in an atmosphere of 70°C. From the viewpoint of sedimentation resistance of the particles in the cosmetic at high temperatures, the viscosity is 3,000 mPa·s or more, 3,500 mPa·s or more, 4,000 mPa·s or more, 4,500 mPa·s or more, It is preferably 000 mPa·s or more, 5,500 mPa·s or more, 6,000 mPa·s or more, 6,500 mPa·s or more, or 7,000 mPa·s or more. The upper limit of the viscosity is not particularly limited, and is, for example, 200,000 mPa s or less, 150,000 mPa s or less, 100,000 mPa s or less, 95,000 mPa s or less, or 90,000 mPa s or less. can do.
　いくつかの実施態様において、本開示の油性化粧料は、６０℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、３，５００ｍＰａ・ｓ以上を呈する。かかる粘度は、化粧料中の粒子の高温下における耐沈降性の観点から、４，０００ｍＰａ・ｓ以上、４，５００ｍＰａ・ｓ以上、５，０００ｍＰａ・ｓ以上、５，５００ｍＰａ・ｓ以上、６，０００ｍＰａ・ｓ以上、７，０００ｍＰａ・ｓ以上、８，０００ｍＰａ・ｓ以上、９，０００ｍＰａ・ｓ以上、又は１０，０００ｍＰａ・ｓ以上であることが好ましい。かかる粘度の上限値としては特に制限はなく、例えば、２５０，０００ｍＰａ・ｓ以下、２００，０００ｍＰａ・ｓ以下、１５０，０００ｍＰａ・ｓ以下、又は１００，０００ｍＰａ・ｓ以下とすることができる。 In some embodiments, the oily cosmetic composition of the present disclosure exhibits a viscosity of 3,500 mPa·s or more when measured at 10 rpm using a Brookfield viscometer in an atmosphere of 60°C. From the viewpoint of sedimentation resistance of the particles in the cosmetic at high temperatures, the viscosity is 4,000 mPa·s or more, 4,500 mPa·s or more, 5,000 mPa·s or more, 5,500 mPa·s or more. It is preferably 000 mPa·s or more, 7,000 mPa·s or more, 8,000 mPa·s or more, 9,000 mPa·s or more, or 10,000 mPa·s or more. The upper limit of the viscosity is not particularly limited, and may be, for example, 250,000 mPa·s or less, 200,000 mPa·s or less, 150,000 mPa·s or less, or 100,000 mPa·s or less.
　上述した粘度は、例えば、ポリマー系油相増粘剤及び／又は増粘性粒子の配合量を調整することによって制御することができる。 The viscosity described above can be controlled, for example, by adjusting the blending amount of the polymer-based oil phase thickener and/or the thickening particles.
〈平均粒子径が５０μｍ以上の粒子〉
　本開示の油性化粧料は、平均粒子径が５０μｍ以上の粒子を含んでいる。このようなサイズの粒子は、高温環境下において化粧料の粘度が低下すると沈降しやすい傾向を示すが、本開示の化粧料は、特定の増粘剤を含んでいるため、高温環境下におけるかかる粒子の沈降を低減又は抑制することができる。 <Particles with an average particle size of 50 μm or more>
The oil-based cosmetic of the present disclosure contains particles with an average particle size of 50 μm or more. Particles of such a size tend to settle when the viscosity of the cosmetic decreases in a high-temperature environment, but since the cosmetic of the present disclosure contains a specific thickener, such particles in a high-temperature environment Particle sedimentation can be reduced or inhibited.
　かかる粒子の平均粒子径の範囲としては特に制限はなく、例えば、常温下での伸びの軽さ、及び高温下での耐沈降性の観点、並びに粒子が有する性能（例えばスクラブ性、美粧性等）を十分に発現させる観点から、６０μｍ以上、８０μｍ以上、１００μｍ以上、１２０μｍ以上、１５０μｍ以上、１７０μｍ以上、２００μｍ以上、２２０μｍ以上、又は２５０μｍ以上とすることができる。平均粒子径の上限値としては特に制限はなく、例えば、６００μｍ以下、５５０μｍ以下、５００μｍ以下、４５０μｍ以下、４００μｍ以下、３５０μｍ以下、又は３００μｍ以下とすることができる。ここで、本開示における「平均粒子径」とは、次のようにして求めることができる：
　粒子の試料６ｇを最上段の篩（ＪＩＳ　Ｋ　８８０１－１の標準篩（目開き２，０００～７５μｍの篩を組み合わせて使用））に乗せ、測定機器（ＲＰＳ－８５Ｃ、株式会社セイシン企業製）にて５分間分級する。各目開きの篩上に残った試料の重量を測定し、その重量を正規確率紙にプロットし、積算重量の全試料重量（６ｇ）に対する比率（積算重量％）が、５０％になる粒子径を平均粒子径とする。 The range of the average particle size of such particles is not particularly limited. ) can be 60 μm or more, 80 μm or more, 100 μm or more, 120 μm or more, 150 μm or more, 170 μm or more, 200 μm or more, 220 μm or more, or 250 μm or more. The upper limit of the average particle size is not particularly limited, and may be, for example, 600 μm or less, 550 μm or less, 500 μm or less, 450 μm or less, 400 μm or less, 350 μm or less, or 300 μm or less. Here, the "average particle size" in the present disclosure can be obtained as follows:
6 g of the particle sample is placed on the top sieve (JIS K 8801-1 standard sieve (using a combination of 2,000 to 75 μm sieves)), and a measuring instrument (RPS-85C, manufactured by Seishin Enterprise Co., Ltd.). Classify for 5 minutes at Measure the weight of the sample remaining on each mesh sieve, plot the weight on normal probability paper, and the ratio (accumulated weight%) to the total sample weight (6 g) of the accumulated weight is 50% Particle diameter is the average particle size.
　平均粒子径が５０μｍ以上の粒子の配合量については特に制限はない。例えば、かかる粒子の配合量としては、常温下での伸びの軽さ、及び高温下での耐沈降性の観点、並びに粒子が有する性能（例えばスクラブ性、美粧性等）を十分に発現させる観点から、化粧料の全量に対し、１．０質量％以上、２．０質量％以上、３．０質量％以上、４．０質量％以上、又は５．０質量％以上とすることができる。かかる粒子の配合量の上限値としては特に制限はなく、例えば、２０質量％以下、１５質量％以下、１０質量％以下、又は８．０質量％以下とすることができる。 There are no particular restrictions on the amount of particles with an average particle size of 50 μm or more. For example, the amount of such particles to be blended is from the viewpoint of light elongation at room temperature, sedimentation resistance at high temperatures, and the viewpoint of sufficiently expressing the performance of the particles (for example, scrubbing properties, cosmetic properties, etc.). Therefore, it can be 1.0% by mass or more, 2.0% by mass or more, 3.0% by mass or more, 4.0% by mass or more, or 5.0% by mass or more with respect to the total amount of the cosmetic. The upper limit of the content of such particles is not particularly limited, and can be, for example, 20% by mass or less, 15% by mass or less, 10% by mass or less, or 8.0% by mass or less.
　平均粒子径が５０μｍ以上の粒子としては特に制限はなく、例えば、スクラブ剤、及び光輝性顔料を挙げることができる。なかでも、近年、スクラブ剤を配合した油性化粧料の人気が高まっており、本開示の油性化粧料は、平均粒子径が５０μｍ以上の粒子として、スクラブ剤を好適に使用することができる。スクラブ剤及び光輝性顔料は、各々単独で使用してもよく、或いは併用してもよい。 Particles with an average particle diameter of 50 μm or more are not particularly limited, and examples include scrubbing agents and glitter pigments. Among them, in recent years, the popularity of oil-based cosmetics containing scrubbing agents has increased, and the oil-based cosmetics of the present disclosure can suitably use scrubbing agents as particles having an average particle size of 50 μm or more. The scrubbing agent and brightening pigment may be used alone or in combination.
（スクラブ剤）
　スクラブ剤としては特に制限はなく、例えば、無機塩、植物種子破砕物、高分子化合物を造粒した崩壊性粒子、糖類、結晶セルロース、寒天、こんにゃく、及びポリアクリル酸塩を挙げることができる。なかでも、スクラブ剤は、水溶性であることが好ましく、また、皮膚に対する刺激が少なく、安全性が高い（例えば、口に入れても問題が生じない）という観点から、糖類から構成されるスクラブ剤（単に「シュガースクラブ剤」と称する場合がある。）を用いることが好ましい。ここで、本開示において「水溶性」とは、２０℃における水への溶解度が、少なくとも５０ｇ／１００ｍＬ、好ましくは１００ｇ／１００ｍＬ以上、より好ましくは１５０ｇ／１００ｍＬ以上であることを意味する。かかる溶解度の上限値については特に制限はないが、例えば、５００ｇ／１００ｍＬ以下、４００ｇ／１００ｍＬ以下、３００ｇ／１００ｍＬ以下、又は２００ｇ／１００ｍＬ以下とすることができる。スクラブ剤は単独で又は二種以上組み合わせて使用することができる。 (scrub agent)
The scrubbing agent is not particularly limited, and examples thereof include inorganic salts, crushed plant seeds, disintegrating particles obtained by granulating polymer compounds, saccharides, crystalline cellulose, agar, konjac, and polyacrylates. Among them, the scrubbing agent is preferably water-soluble, and from the viewpoint of less irritation to the skin and high safety (for example, it does not cause problems even if it is put in the mouth), it is composed of sugars. It is preferable to use an agent (sometimes simply referred to as a "sugar scrub agent"). Here, "water-soluble" in the present disclosure means that the solubility in water at 20°C is at least 50 g/100 mL, preferably 100 g/100 mL or more, more preferably 150 g/100 mL or more. The upper limit of the solubility is not particularly limited, but can be, for example, 500 g/100 mL or less, 400 g/100 mL or less, 300 g/100 mL or less, or 200 g/100 mL or less. A scrub agent can be used individually or in combination of 2 or more types.
　無機塩としては、例えば、塩化ナトリウム、炭酸水素ナトリウム、炭酸ナトリウム、リン酸カルシウム、硫酸ナトリウム、セスキ炭酸ナトリウム、塩化マグネシウム、酸化マグネシウム、炭酸マグネシウム、及び炭酸カルシウムを挙げることができる。 Examples of inorganic salts include sodium chloride, sodium hydrogen carbonate, sodium carbonate, calcium phosphate, sodium sulfate, sodium sesquicarbonate, magnesium chloride, magnesium oxide, magnesium carbonate, and calcium carbonate.
　植物種子粉砕物としては、例えば、クルミ殻粒、クルミ種子、杏種子、及び桃種子を挙げることができる。 Examples of pulverized plant seeds include walnut shell grains, walnut seeds, apricot seeds, and peach seeds.
　崩壊性粒子に使用し得る高分子化合物として、例えば、ポリエチレン等のポリオレフィン樹脂、ポリエチレンテレフタレート等のポリエステル樹脂、ポリウレタン樹脂を挙げることができる。 Examples of polymer compounds that can be used for the disintegrating particles include polyolefin resins such as polyethylene, polyester resins such as polyethylene terephthalate, and polyurethane resins.
　糖類としては、例えば、単糖、多糖、及び糖アルコールを挙げることができる。 Examples of sugars include monosaccharides, polysaccharides, and sugar alcohols.
　単糖としては、例えば、グルコース、フルクトース、キシロース、マンノース、及びガラクトースを挙げることができる。 Monosaccharides include, for example, glucose, fructose, xylose, mannose, and galactose.
　多糖としては、例えば、スクロース、トレハロース、ラクトース、マルトース、及びセルロースを挙げることができる。 Examples of polysaccharides include sucrose, trehalose, lactose, maltose, and cellulose.
　糖アルコールとしては、例えば、ソルビトール、マルチトール、キシリトール、マンニトール、ラクチトール、及びエリスリトールを挙げることができる。 Examples of sugar alcohols include sorbitol, maltitol, xylitol, mannitol, lactitol, and erythritol.
　糖類の中でも、フルクトース、スクロース、ラクチトール、キシリトール、及びソルビトールからなる群から選択される少なくとも一種が好ましく、スクロースが特に好ましい。 Among sugars, at least one selected from the group consisting of fructose, sucrose, lactitol, xylitol, and sorbitol is preferred, and sucrose is particularly preferred.
（光輝性顔料）
　光輝性顔料は、無色、白色、有色のいずれであってもよい。無色、白色、有色の光輝性顔料は、それぞれ単独で使用してもよく、又はこれらを組み合わせて使用してもよい。 (Luminous pigment)
The bright pigment may be colorless, white, or colored. Colorless, white, and colored luster pigments may be used alone or in combination.
　光輝性顔料としては、例えば、雲母チタン、酸化鉄被覆雲母チタン、カルミン被覆雲母チタン、カルミン・コンジョウ被覆雲母チタン、酸化鉄・カルミン処理雲母チタン、コンジョウ処理雲母チタン、酸化鉄・コンジョウ処理雲母チタン、酸化クロム処理雲母チタン、黒酸化チタン処理雲母チタン、アクリル樹脂被覆アルミニウム末、シリカ被覆アルミニウム末、酸化チタン被覆マイカ、酸化チタン被覆オキシ塩化ビスマス、酸化チタン被覆タルク、着色酸化チタン被覆マイカ、酸化チタン被覆合成マイカ、酸化チタン被覆シリカ、酸化チタン被覆アルミナ、酸化チタン被覆ガラス粉、ポリエチレンテレフタレート・ポリメチルメタクリレート積層フィルム末、オキシ塩化ビスマス、魚鱗箔、マイカを酸化鉄と酸化チタンで被覆したベンガラ酸化チタン被覆マイカ等の酸化鉄酸化チタン被覆マイカ、マイカと酸化チタン被覆層との間にシリカをはさんだ粉体中空状の酸化チタン等を挙げることができる。これらは、典型的には、白色、又はそれ以外の色を呈している。 Luster pigments include, for example, titanium mica, iron oxide-coated titanium mica, carmine-coated titanium mica, carmine/conjo-coated titanium mica, iron oxide/carmine-treated titanium mica, iron oxide/conjo-treated titanium mica, iron oxide/conjo-treated titanium mica, Chromium oxide-treated mica titanium, black titanium oxide-treated mica titanium, acrylic resin-coated aluminum powder, silica-coated aluminum powder, titanium oxide-coated mica, titanium oxide-coated bismuth oxychloride, titanium oxide-coated talc, colored titanium oxide-coated mica, titanium oxide-coated Synthetic mica, titanium oxide-coated silica, titanium oxide-coated alumina, titanium oxide-coated glass powder, polyethylene terephthalate/polymethyl methacrylate laminated film powder, bismuth oxychloride, fish scale foil, mica coated with iron oxide and titanium oxide, red iron oxide coating Titanium oxide-coated mica such as iron oxide such as mica, powdery hollow titanium oxide in which silica is interposed between mica and a titanium oxide coating layer, and the like can be mentioned. They are typically white or some other color.
　無色の光輝性顔料としては、透明光輝性顔料として知られている公知のものを使用することができる。例えば、ガラス粒子を基材として、その表面に二酸化チタン等の高屈折率材料から構成される被膜を成形した光輝性顔料を挙げることができる。 As the colorless bright pigment, a known transparent bright pigment can be used. For example, there is a luster pigment in which a glass particle is used as a base material and a film formed of a high refractive index material such as titanium dioxide is formed on the surface of the base material.
　本開示において、「光輝性顔料」とは、色材を包含せず、光輝性を呈する顔料を意図する。また、「有色の光輝性顔料」とは、無色又は白色以外の色を呈している光輝性顔料を意図する。また、光輝性顔料は、典型的には、薄片状又は鱗片状のような平板状の形態を呈している。 In the present disclosure, the term "glitter pigment" means a pigment that does not contain a coloring material and exhibits luster. Moreover, the "colored bright pigment" intends a bright pigment exhibiting a color other than colorless or white. Luster pigments typically have a plate-like shape such as flakes or scales.
〈増粘剤〉
　本開示の油性化粧料は、増粘剤として、ポリマー系油相増粘剤及び増粘性粒子からなる群から選択される少なくとも一種を含んでいる。かかる増粘剤を用いることによって、化粧料の粘度を上述した範囲に調製することができる。 <Thickener>
The oil-based cosmetic of the present disclosure contains at least one selected from the group consisting of polymer-based oil-phase thickeners and thickening particles as a thickener. By using such a thickener, the viscosity of the cosmetic can be adjusted within the range described above.
（ポリマー系油相増粘剤）
　増粘剤としてポリマー系油相増粘剤を使用する場合には、かかる増粘剤は、化粧料が上述した粘度を呈し得るように適宜配合すればよく、その配合量としては特に制限はない。例えば、かかる増粘剤の配合量は、常温下での伸びの軽さ、及び高温下での耐沈降性の観点から、化粧料の全量に対し、０．５質量％以上、１．０質量％以上、３．０質量％以上、５．０質量％以上、７．０質量％以上、１０質量％以上、１５質量％以上、２０質量％以上、２５質量％以上、又は３０質量％以上とすることができ、また、６０質量％以下、５０質量％以下、４０質量％以下、３０質量％以下、２０質量％以下、１７質量％以下、１５質量％以下、１３質量％以下、又は１０質量％以下とすることができる。 (Polymer oil phase thickener)
When a polymer-based oil-phase thickener is used as the thickener, the thickener may be appropriately blended so that the cosmetic can exhibit the viscosity described above, and the blending amount is not particularly limited. . For example, the blending amount of such a thickener is 0.5% by mass or more and 1.0% by mass with respect to the total amount of the cosmetic, from the viewpoint of lightness of elongation at normal temperature and sedimentation resistance at high temperature. % or more, 3.0% by mass or more, 5.0% by mass or more, 7.0% by mass or more, 10% by mass or more, 15% by mass or more, 20% by mass or more, 25% by mass or more, or 30% by mass or more 60% by mass or less, 50% by mass or less, 40% by mass or less, 30% by mass or less, 20% by mass or less, 17% by mass or less, 15% by mass or less, 13% by mass or less, or 10% by mass % or less.
　ポリマー系油相増粘剤としては特に制限はなく、例えば、エチレンモノマーユニット及びスチレンモノマーユニットからなる群から選択される少なくとも一種を有するコポリマーを含む剤を使用することができる。ここで、例えば、スチレンモノマーユニット（スチレンセグメント）を有するコポリマーは、コポリマー中のスチレンセグメントが油相中で相互に引きつけられ、コポリマー間で３次元の網目構造を発現させることができ、それにより油相を増粘させることができる。 The polymer-based oil phase thickener is not particularly limited, and for example, an agent containing a copolymer having at least one selected from the group consisting of ethylene monomer units and styrene monomer units can be used. Here, for example, a copolymer having styrene monomer units (styrene segments) can cause the styrene segments in the copolymer to mutually attract each other in the oil phase to develop a three-dimensional network structure between the copolymers, thereby The phase can be thickened.
　このようなポリマー系油相増粘剤としては、具体的には、（スチレン／イソプレン）コポリマー、（エチレン／プロピレン／スチレン）コポリマー、（スチレン／ブタジエン）コポリマー、（スチレン／エチレン／ブチレン）コポリマー、（スチレン／プロピレン／ブチレン）コポリマー、（スチレン／ブチレン）コポリマー、及び（エチレン／プロピレン）コポリマーからなる群から選択される少なくとも一種を挙げることができる。これらのコポリマーは、水素化（水添）されていてもよい。なかでも、温度の上昇に伴って粘度が緩やかに低下するような粘度挙動の観点から、ポリマー系油相増粘剤は、水添（スチレン／イソプレン）コポリマー、（エチレン／プロピレン／スチレン）コポリマー、（スチレン／エチレン／ブチレン）コポリマー、及び（エチレン／プロピレン）コポリマーからなる群から選択される少なくとも一種が好ましい。 Specific examples of such polymeric oil phase thickeners include (styrene/isoprene) copolymers, (ethylene/propylene/styrene) copolymers, (styrene/butadiene) copolymers, (styrene/ethylene/butylene) copolymers, At least one selected from the group consisting of (styrene/propylene/butylene) copolymers, (styrene/butylene) copolymers, and (ethylene/propylene) copolymers can be mentioned. These copolymers may be hydrogenated (hydrogenated). Among them, from the viewpoint of viscosity behavior such that the viscosity gradually decreases with an increase in temperature, the polymer-based oil-phase thickener includes hydrogenated (styrene/isoprene) copolymers, (ethylene/propylene/styrene) copolymers, At least one selected from the group consisting of (styrene/ethylene/butylene) copolymers and (ethylene/propylene) copolymers is preferred.
（増粘性粒子）
　増粘剤として増粘性粒子を使用する場合には、かかる増粘性粒子は、化粧料が上述した粘度を呈し得るように適宜配合すればよく、その配合量としては特に制限はない。例えば、増粘性粒子の配合量は、常温下での伸びの軽さ、及び高温下での耐沈降性の観点から、化粧料の全量に対し、０．５質量％以上、１．０質量％以上、３．０質量％以上、５．０質量％以上、７．０質量％以上、１０質量％以上、１５質量％以上、２０質量％以上、２５質量％以上、又は３０質量％以上とすることができ、また、６０質量％以下、５０質量％以下、４０質量％以下、３０質量％以下、２０質量％以下、１７質量％以下、１５質量％以下、１３質量％以下、又は１０質量％以下とすることができる。 (Thickening particles)
When thickening particles are used as a thickening agent, such thickening particles may be appropriately blended so that the cosmetic can exhibit the above-described viscosity, and the blending amount is not particularly limited. For example, the blending amount of the thickening particles is 0.5% by mass or more and 1.0% by mass with respect to the total amount of the cosmetic, from the viewpoint of light elongation at normal temperature and sedimentation resistance at high temperature. 3.0% by mass or more, 5.0% by mass or more, 7.0% by mass or more, 10% by mass or more, 15% by mass or more, 20% by mass or more, 25% by mass or more, or 30% by mass or more 60% by mass or less, 50% by mass or less, 40% by mass or less, 30% by mass or less, 20% by mass or less, 17% by mass or less, 15% by mass or less, 13% by mass or less, or 10% by mass can be:
　増粘性粒子としては特に制限はなく、例えば、煙霧状無水ケイ酸及び有機変性粘土鉱物からなる群から選択される少なくとも一種を挙げることができる。増粘性粒子は、疎水化処理が施されていてもよい。増粘性粒子は油相を増粘させることができるため、油相増粘性粒子と称することもできる。 The thickening particles are not particularly limited, and examples include at least one selected from the group consisting of fumed silicic anhydride and organically modified clay minerals. The thickening particles may be subjected to hydrophobic treatment. Since the thickening particles can thicken the oil phase, they can also be referred to as oil phase thickening particles.
　有機変性粘土鉱物としては、例えば、四級アンモニウム塩で処理した水膨潤性粘土鉱物等が挙げられる。 Examples of organically modified clay minerals include water-swelling clay minerals treated with quaternary ammonium salts.
〈油分〉
　本開示の油性化粧料は、典型的には油分を含む。 <Oil content>
The oily cosmetic of the present disclosure typically contains oil.
　油分の配合量としては特に制限はなく、例えば、化粧料の全量に対し、３０質量％以上、４０質量％以上、５０質量％以上、又は６０質量％以上とすることができ、また、９５質量％以下、９０質量％以下、８５質量％以下、８０質量％以下、７５質量％以下、又は７０質量％以下とすることができる。 The amount of the oil to be blended is not particularly limited. % or less, 90 mass % or less, 85 mass % or less, 80 mass % or less, 75 mass % or less, or 70 mass % or less.
　油分としては特に制限はなく、例えば、動物油、植物油、合成油であってもよく、また、その性状としては、例えば、半固形状、液体状、揮発性であってもよい。具体的には、例えば、炭化水素油、油脂類、硬化油類、脂肪酸類、高級アルコール類、シリコーン油類、フッ素系油類、及び極性油を挙げることができる。油分は単独で又は二種以上組み合わせて使用することができる。 The oil is not particularly limited, and may be, for example, animal oil, vegetable oil, or synthetic oil, and its properties may be, for example, semi-solid, liquid, or volatile. Specific examples include hydrocarbon oils, oils and fats, hydrogenated oils, fatty acids, higher alcohols, silicone oils, fluorinated oils, and polar oils. An oil component can be used individually or in combination of 2 or more types.
　炭化水素油としては、例えば、流動パラフィン、重質流動イソパラフィン、α－オレフィンオリゴマー、スクワラン、ワセリン、ポリイソブテン、水添ポリイソブテン、ポリブテン、水添ポリブテン、ポリデセン、及び水添ポリデセンを挙げることができる。 Examples of hydrocarbon oils include liquid paraffin, heavy liquid isoparaffin, α-olefin oligomers, squalane, petrolatum, polyisobutene, hydrogenated polyisobutene, polybutene, hydrogenated polybutene, polydecene, and hydrogenated polydecene.
　油脂類としては、例えば、オリーブ油、ヒマシ油、ホホバ油、ミンク油、及びマカデミアンナッツ油を挙げることができる。 Examples of oils and fats include olive oil, castor oil, jojoba oil, mink oil, and macadamia nut oil.
　脂肪酸類としては、例えば、ステアリン酸、ラウリン酸、ミリスチン酸、ベヘン酸、イソステアリン酸、及びオレイン酸を挙げることができる。 Examples of fatty acids include stearic acid, lauric acid, myristic acid, behenic acid, isostearic acid, and oleic acid.
　高級アルコール類としては、例えば、ステアリルアルコール、セチルアルコール、ラウリルアルコール、オレイルアルコール、イソステアリルアルコール、ベヘニルアルコール、及びオクチルドデカノールを挙げることができる。 Examples of higher alcohols include stearyl alcohol, cetyl alcohol, lauryl alcohol, oleyl alcohol, isostearyl alcohol, behenyl alcohol, and octyldodecanol.
　シリコーン類としては、例えば、低重合度ジメチルポリシロキサン、高重合度ジメチルポリシロキサン、メチルフェニルポリシロキサン、デカメチルシクロペンタシロキサン、オクタメチルシクロテトラシロキサン、ポリエーテル変性ポリシロキサン、ポリオキシアルキレン・アルキルメチルポリシロキサン・メチルポリシロキサン共重合体、アルコキシ変性ポリシロキサン、架橋型オルガノポリシロキサン、及びフッ素変性ポリシロキサンを挙げることができる。 Examples of silicones include low polymerization degree dimethylpolysiloxane, high polymerization degree dimethylpolysiloxane, methylphenylpolysiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, polyether-modified polysiloxane, polyoxyalkylene alkylmethyl Polysiloxane-methylpolysiloxane copolymers, alkoxy-modified polysiloxanes, crosslinked organopolysiloxanes, and fluorine-modified polysiloxanes can be mentioned.
　フッ素系油剤類としては、例えば、パーフルオロデカン、パーフルオロオクタン、及びパーフルオロポリエーテルを挙げることができる。 Examples of fluorine-based oils include perfluorodecane, perfluorooctane, and perfluoropolyether.
　極性油としては、例えば、ＩＯＢが、０．１０以上、０．１５以上、０．２０以上、０．２２以上、又は０．２４以上の極性油を挙げることができる。ＩＯＢの上限値としては特に制限はないが、例えば、０．５０以下、０．４５以下、又は０．４０以下とすることができる。ここで、ＩＯＢ値とは、Ｉｎｏｒｇａｎｉｃ／Ｏｒｇａｎｉｃ Ｂａｌａｎｃｅ（無機性／有機性比）の略であって、無機性値の有機性値に対する比率を表す値であり、有機化合物の極性の度合いを示す指標となるものである。ＩＯＢ値は、具体的には、ＩＯＢ値＝無機性値／有機性値として表される。「無機性値」、「有機性値」のそれぞれについては、例えば、分子中の炭素原子１個について「有機性値」が２０、水酸基１個について「無機性値」が１００といったように、各種原子又は官能基に応じた「無機性値」、「有機性値」が設定されており、有機化合物中の全ての原子及び官能基の「無機性値」、「有機性値」を積算することによって、当該有機化合物のＩＯＢ値を算出することができる（例えば、甲田善生著、「有機概念図－基礎と応用－」、ｐ．１１～１７、三共出版、１９８４年発行参照）。 Polar oils include, for example, polar oils having an IOB of 0.10 or more, 0.15 or more, 0.20 or more, 0.22 or more, or 0.24 or more. Although the upper limit of IOB is not particularly limited, it can be, for example, 0.50 or less, 0.45 or less, or 0.40 or less. Here, the IOB value is an abbreviation for Inorganic/Organic Balance (inorganic/organic ratio), which is a value representing the ratio of the inorganic value to the organic value, and is an index indicating the degree of polarity of an organic compound. It becomes. The IOB value is specifically expressed as IOB value=inorganic value/organic value. For each of the "inorganicity value" and the "organicity value", various The "inorganic value" and "organic value" are set according to the atom or functional group, and the "inorganic value" and "organic value" of all atoms and functional groups in the organic compound are accumulated. (See, for example, Yoshio Koda, "Organic Conceptual Diagram-Basics and Applications-", pp. 11-17, Sankyo Publishing, 1984).
　このような極性油としては、例えば、ジカプリン酸ネオペンチルグリコール、トリ２－エチルヘキサン酸グリセリル、テトラ２－エチルヘキサン酸ペンタエリスリチル、トリ（カプリル／カプリン）酸グリセリル、セバシン酸ジエチルヘキシル、オクチルドデカノール、ジイソステアリン酸グリセリル、トリイソステアリン酸ジグリセリル、リンゴ酸ジイソステアリル、トリ２－エチルヘキサン酸トリメチロールプロパン、オキシステアリン酸オキシステアリル、テトラ（エチルヘキサン酸／安息香酸）ペンタエリスリチル、トリオクタノイン、テトラオクタン酸ペンタエリスリチル、ヘキサヒドロキシステアリン酸ジペンタエリスリチル、ヒマシ油、セバシン酸ジイソプロピル、テトラオクタン酸ペンタエリスリット、及びトリイソステアリン酸トリメチロールプロパンを挙げることができる。 Such polar oils include, for example, neopentyl glycol dicaprate, glyceryl tri-2-ethylhexanoate, pentaerythrityl tetra-2-ethylhexanoate, glyceryl tri(capry/caprate), diethylhexyl sebacate, and octyldodeca. Nol, glyceryl diisostearate, diglyceryl triisostearate, diisostearyl malate, trimethylolpropane tri-2-ethylhexanoate, oxystearyl oxystearate, tetra(ethylhexanoate/benzoate) pentaerythrityl, trioctanoin , pentaerythrityl tetraoctanoate, dipentaerythrityl hexahydroxystearate, castor oil, diisopropyl sebacate, pentaerythrityl tetraoctanoate, and trimethylolpropane triisostearate.
〈任意成分〉
　本開示の油性化粧料は、本発明の効果に影響を及ぼさない範囲で、上記成分の他に、各種成分を適宜配合することができる。各種成分としては、例えば、保湿剤、防腐剤、消泡剤、酸化防止剤、紫外線吸収剤、高分子、界面活性剤、薬剤、アルコール、抗菌剤、溶剤、色材、及び香料を挙げることができる。任意成分は、単独で又は二種以上組み合わせて使用することができる。 <Optional component>
The oil-based cosmetic composition of the present disclosure can appropriately contain various components in addition to the components described above within a range that does not affect the effects of the present invention. Examples of various components include moisturizers, preservatives, antifoaming agents, antioxidants, ultraviolet absorbers, polymers, surfactants, drugs, alcohols, antibacterial agents, solvents, coloring materials, and fragrances. can. Optional components can be used alone or in combination of two or more.
　ここで、紫外線吸収剤としては特に制限はなく、例えば、メトキシケイヒ酸エチルヘキシル、オクトクリレン、ポリシリコーン－１５、ｔ－ブチルメトキシジベンゾイルメタン、エチルヘキシルトリアゾン、ビスエチルヘキシルオキシフェノールメトキシフェニルトリアジン、ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル、オキシベンゾン－３、メチレンビスベンゾトリアゾリルテトラメチルブチルフェノール、ホモサレート、サリチル酸エチルへキシル等の有機系の紫外線吸収剤を挙げることができる。紫外線吸収剤は、単独で又は二種以上を組み合わせて使用することができる。なお、このような有機系の紫外線吸収剤は油分とみなしてもよい。 Here, the ultraviolet absorber is not particularly limited, and examples thereof include ethylhexyl methoxycinnamate, octocrylene, polysilicone-15, t-butylmethoxydibenzoylmethane, ethylhexyltriazon, bisethylhexyloxyphenolmethoxyphenyltriazine, and diethylaminohydroxybenzoyl. Organic UV absorbers such as hexyl benzoate, oxybenzone-3, methylenebisbenzotriazolyltetramethylbutylphenol, homosalate, and ethylhexyl salicylate can be mentioned. A ultraviolet absorber can be used individually or in combination of 2 or more types. Incidentally, such an organic ultraviolet absorber may be regarded as an oil component.
　また、本開示において「色材」とは、化粧料を発色させることができる光輝性を呈しない材料を意図し、具体的には、無機顔料、有機顔料、色素と一般に称する材料を意図することができる。 In addition, in the present disclosure, the term “coloring material” intends a material that does not exhibit luster and can cause the cosmetic to develop color, and specifically intends materials that are generally called inorganic pigments, organic pigments, and dyes. can be done.
　色材の種類としては特に制限はなく、化粧料適用時の美粧性等を考慮して適宜選定することができる。色材は、単独で又は二種以上組み合わせて使用することができる。 The type of coloring material is not particularly limited, and can be selected as appropriate in consideration of cosmetic properties when applying cosmetics. Colorants can be used alone or in combination of two or more.
　具体的には、無機顔料としては、例えば、無機赤色系顔料（例えば、酸化鉄（ベンガラ）、チタン酸鉄等）；無機褐色系顔料（例えば、γ－酸化鉄等）；無機黄色系顔料（例えば、黄酸化鉄、黄土等）；無機黒色系顔料（例えば、黒酸化鉄、低次酸化チタン等）；無機紫色系顔料（例えば、マンガンバイオレット、コバルトバイオレット等）；無機緑色系顔料（例えば、酸化クロム、水酸化クロム、チタン酸コバルト等）；無機青色系顔料（例えば、群青、紺青等）；無機白色系顔料（例えば、二酸化チタン、酸化亜鉛等）；金属粉末（例えば、アルミニウム、金、銀、銅等）を挙げることができる。 Specifically, inorganic pigments include, for example, inorganic red pigments (e.g., iron oxide (red iron oxide), iron titanate, etc.); inorganic brown pigments (e.g., γ-iron oxide, etc.); inorganic yellow pigments ( For example, yellow iron oxide, ocher, etc.); inorganic black pigments (e.g., black iron oxide, low order titanium oxide, etc.); inorganic purple pigments (e.g., manganese violet, cobalt violet, etc.); inorganic green pigments (e.g., Chromium oxide, chromium hydroxide, cobalt titanate, etc.); Inorganic blue pigments (e.g., ultramarine blue, Prussian blue, etc.); Inorganic white pigments (e.g., titanium dioxide, zinc oxide, etc.); Metal powders (e.g., aluminum, gold, silver, copper, etc.).
　有機顔料としては、例えば、ジルコニウム、バリウム又はアルミニウムレーキ等の有機顔料、例えば、赤色２号、赤色３号、赤色１０２号、赤色１０４号、赤色１０５号、赤色１０６号、赤色２０１号、赤色２０２号、赤色２０３号、赤色２０４号、赤色２０５号、赤色２０６号、赤色２０７号、赤色２０８号、赤色２１３号、赤色２１４号、赤色２１５号、赤色２１８号、赤色２１９号、赤色２２０号、赤色２２１号、赤色２２３号、赤色２２５号、赤色２２６号、赤色２２７号、赤色２２８号、赤色２３０号、赤色２３１号、赤色２３２号、赤色４０１号、赤色４０４号、赤色４０５号、赤色５０１号、赤色５０２号、赤色５０３号、赤色５０４号、赤色５０５号、赤色５０６号、だいだい色２０１号、だいだい色２０５号、だいだい色４０１号、黄色４号、黄色５号、黄色２０１号、黄色２０２号、黄色２０３号、黄色２０４号、黄色２０５号、黄色４０１号、黄色４０２号、黄色４０３号の（１）、黄色４０４号、黄色４０５号、黄色４０６号、黄色４０７号、青色１号、青色４０４号、緑色３号、緑色２０１号、緑色２０２号、緑色２０４号、及び紫色２０１号等を挙げることができる Examples of organic pigments include organic pigments such as zirconium, barium, and aluminum lakes, such as Red No. 2, Red No. 3, Red No. 102, Red No. 104, Red No. 105, Red No. 106, Red No. 201, and Red No. 202. Red No. 203, Red No. 204, Red No. 205, Red No. 206, Red No. 207, Red No. 208, Red No. 213, Red No. 214, Red No. 215, Red No. 218, Red No. 219, Red No. 220, Red No. 221, Red No. 223, Red No. 225, Red No. 226, Red No. 227, Red No. 228, Red No. 230, Red No. 231, Red No. 232, Red No. 401, Red No. 404, Red No. 405, Red No. 501 Red No. 502, Red No. 503, Red No. 504, Red No. 505, Red No. 506, Orange No. 201, Orange No. 205, Orange No. 401, Yellow No. 4, Yellow No. 5, Yellow No. 201, Yellow 202, yellow 203, yellow 204, yellow 205, yellow 401, yellow 402, yellow 403 (1), yellow 404, yellow 405, yellow 406, yellow 407, blue 1 , Blue No. 404, Green No. 3, Green No. 201, Green No. 202, Green No. 204, and Purple No. 201.
　天然色素としては、例えば、β－カロチン、コチニール色素、赤キャベツ色素、リボフラビン、クロシン、アントラキノン、カンタキサンチン、及び紅花色素を挙げることができる。 Examples of natural pigments include β-carotene, cochineal pigment, red cabbage pigment, riboflavin, crocin, anthraquinone, canthaxanthin, and safflower pigment.
　本開示の油性化粧料は、ポリマー系油相増粘剤及び増粘性粒子以外の増粘性成分を含んでもよいが、常温下での伸びが重くなったり、高温下において化粧料中の粒子が沈降しやすくなったりするため、ポリマー系油相増粘剤及び増粘性粒子以外の増粘性成分は、化粧料全量に対し、６．０質量％以下、５．０質量％以下、４．０質量％以下、３．０質量％以下、２．０質量％以下、又は１．０質量％以下とすることができる。しかし、常温下での伸びの軽さ、及び高温下での耐沈降性の観点から、ポリマー系油相増粘剤及び増粘性粒子以外の増粘性成分は、化粧料には配合しないことが好ましい。 The oil-based cosmetic of the present disclosure may contain a thickening component other than the polymer-based oil phase thickener and the thickening particles, but the elongation at room temperature becomes slow, and the particles in the cosmetic settle at high temperatures. 6.0% by mass or less, 5.0% by mass or less, 4.0% by mass or less, relative to the total amount of the cosmetic composition 3.0% by mass or less, 2.0% by mass or less, or 1.0% by mass or less. However, from the viewpoints of light spreadability at room temperature and sedimentation resistance at high temperatures, it is preferable not to incorporate thickening components other than the polymer-based oil phase thickener and the thickening particles in the cosmetic. .
　ここで、本開示において「増粘性成分」とは、上述した、炭化水素油、油脂類、硬化油類、脂肪酸類、高級アルコール類、シリコーン油類、フッ素系油類、及び極性油を含まず、かつ、増粘性成分を配合してない化粧料の２５℃の粘度に比べ、かかる成分を化粧料に配合したときに、化粧料の２５℃の粘度を上昇させ得る成分を意図する。増粘性成分として、具体的には、例えば、デキストリン脂肪酸エステル（例えばパルミチン酸デキストリン）などの増粘剤、及びワックス・ロウ類を挙げることができる。 Here, the "viscosity-increasing component" in the present disclosure does not include the above-mentioned hydrocarbon oils, fats and oils, hydrogenated oils, fatty acids, higher alcohols, silicone oils, fluorine-based oils, and polar oils. Moreover, it is intended to be a component capable of increasing the viscosity of the cosmetic at 25°C when such a component is blended into the cosmetic, compared to the viscosity at 25°C of the cosmetic without blending the thickening component. Specific examples of thickening components include thickeners such as dextrin fatty acid esters (eg, dextrin palmitate), and waxes and waxes.
《油性化粧料の製造方法》
　本開示の油性化粧料の製造方法としては特に限定されるものではなく、公知の製造方法を採用することができる。本開示の油性化粧料の製造方法の一例を以下に示す。 <<Method for producing oily cosmetics>>
The method for producing the oil-based cosmetic composition of the present disclosure is not particularly limited, and known production methods can be employed. An example of the method for producing the oily cosmetic of the present disclosure is shown below.
　上述した、ポリマー系増粘剤及び増粘性粒子からなる群から選択される少なくとも一種と、平均粒子径が５０μｍ以上の粒子と、油分と、必要に応じて色材等の任意成分を含む油性化粧料用の原料混合物を、８０～１５０℃の温度範囲で加熱しながら混練して油性組成物を調製する。ここで、平均粒子径が５０μｍ以上の粒子、及び任意成分の色材等の粉体は、ポリマー系増粘剤及び増粘性粒子からなる群から選択される少なくとも一種と、油分とを加熱しながら混ぜ合わせた混合物に対して添加してもよい。 Oil-based makeup containing at least one selected from the group consisting of the above-mentioned polymer-based thickeners and thickening particles, particles having an average particle size of 50 μm or more, oil, and optional ingredients such as colorants as needed An oily composition is prepared by kneading a raw material mixture for a food while heating in a temperature range of 80 to 150°C. Here, the particles having an average particle diameter of 50 μm or more and the optional powder such as the coloring material are obtained by heating at least one selected from the group consisting of polymer-based thickeners and thickening particles and oil. It may be added to the blended mixture.
　調製した油性組成物を、８０～１５０℃の温度範囲で加温しながら容器に充填し、室温（例えば０～３０℃）まで冷却し、本開示の油性化粧料を得ることができる。 The prepared oily composition is filled in a container while being heated in the temperature range of 80 to 150°C, and cooled to room temperature (eg, 0 to 30°C) to obtain the oily cosmetic composition of the present disclosure.
　上記の油性組成物は、本開示の油性化粧料と同様に、９０℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、２，０００ｍＰａ・ｓ以上を呈する。したがって、８０～１５０℃の加熱を要する上記の製造方法を採用したとしても、平均粒子径が５０μｍ以上の粒子の沈降が低減又は抑制されるため、かかる粒子を組成物中に均一に分散させることができる。 The above oil-based composition, like the oil-based cosmetic of the present disclosure, exhibits a viscosity of 2,000 mPa·s or more when measured at 10 rpm in an atmosphere of 90° C. using a Brookfield viscometer. Therefore, even if the above production method requiring heating at 80 to 150° C. is employed, sedimentation of particles having an average particle diameter of 50 μm or more is reduced or suppressed, so that such particles can be uniformly dispersed in the composition. can be done.
《油性化粧料の形態及び用途》
　本開示の油性化粧料は、２５℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、４００，０００ｍＰａ・ｓ以下を呈するため、例えば、液状、クリーム状、ジェル状、又はペースト状の形態を適宜選択することができる。 <<Form and Use of Oily Cosmetics>>
Since the oil-based cosmetic of the present disclosure exhibits a viscosity of 400,000 mPa s or less measured at 10 rpm using a Brookfield viscometer in an atmosphere of 25 ° C., it is liquid, cream-like, gel-like, or A paste-like form can be selected as appropriate.
　本開示の油性化粧料の用途としては特に制限はなく、例えば、口紅、リップスクラブ、リップグロス、リップクリームなどの口唇用化粧料；ファンデーション、アイシャドー等のメーキャップ化粧料；ヘアスティック、ポマードなどの毛髪化粧料などが挙げられる。なかでも、本開示の油性化粧料は、口唇用化粧料として使用することが好ましく、スクラブ剤を含有するリップスクラブとして使用することがより好ましい。 Applications of the oil-based cosmetic of the present disclosure are not particularly limited, and examples include lip cosmetics such as lipstick, lip scrub, lip gloss, and lip balm; and hair cosmetics. Among others, the oil-based cosmetic of the present disclosure is preferably used as a lip cosmetic, and more preferably used as a lip scrub containing a scrubbing agent.
　以下に実施例を挙げて、本発明についてさらに詳しく説明を行うが、本発明はこれらに限定されるものではない。なお、以下、特に断りのない限り、配合量は質量％で示す。 The present invention will be described in more detail below with reference to examples, but the present invention is not limited to these. Hereinafter, unless otherwise specified, the compounding amount is indicated by mass %.
《実施例１～９及び比較例１～１３》
　表１～２に示す処方及び下記に示す製造方法により得た油性化粧料について、以下の評価を行い、その結果を表１～２に示す。 <<Examples 1 to 9 and Comparative Examples 1 to 13>>
The formulations shown in Tables 1 and 2 and the oily cosmetics obtained by the production methods shown below were subjected to the following evaluations, and the results are shown in Tables 1 and 2.
〈評価方法〉
（粘度の評価）
　化粧料の粘度は、２５℃、６０℃、７０℃、又は９０℃の温度下、Ｂ型粘度計（ＴＶＢ形粘度計ＴＶＢ－１０、東機産業株式会社製）を用いて評価した。ここで、各温度下の粘度測定において使用するローター及び回転数の条件に関しては、表１及び表２に記載されるローター及び回転数を採用した。なお、粘度が低すぎて測定できなかった場合には、表１及び表２において「限界以下」と表記している。 <Evaluation method>
(Evaluation of viscosity)
The viscosity of the cosmetic was evaluated using a B-type viscometer (TVB-type viscometer TVB-10, manufactured by Toki Sangyo Co., Ltd.) at a temperature of 25°C, 60°C, 70°C, or 90°C. Here, the rotors and rotation speeds described in Tables 1 and 2 were adopted as the conditions for the rotors and rotation speeds used in measuring the viscosity at each temperature. In Tables 1 and 2, when the viscosity was too low to be measured, it is described as "below limit".
（粒子の沈降性の評価１：４５℃、１週間）
　油性化粧料の作製直後及び４５℃で１週間保管後の化粧料中に含まれる粒子（スクラブ剤）の沈降状態を目視で観察し、以下の基準で粒子の沈降性について評価した。ここで、Ａ評価が合格、Ｂ及びＣ評価は不合格とみなすことができる：
　Ａ：粒子の沈降が３ｍｍ以下であった。
　Ｂ：粒子の沈降が３ｍｍ超５ｍｍ以下であった。
　Ｃ：粒子の沈降が５ｍｍ超であった。 (Particle sedimentation evaluation 1: 45 ° C., 1 week)
Immediately after preparation of the oily cosmetic and after storage at 45° C. for one week, the state of sedimentation of the particles (scrubbing agent) contained in the cosmetic was visually observed, and the sedimentation of the particles was evaluated according to the following criteria. Here an A rating can be considered a pass and B and C ratings a fail:
A: Sedimentation of particles was 3 mm or less.
B: Sedimentation of particles was more than 3 mm and 5 mm or less.
C: Particle sedimentation was greater than 5 mm.
（粒子の沈降性の評価２：９０℃）
　作製した油性化粧料を、夏場の車内のダッシュボード上の温度環境に相当する９０℃で３０分間放置した後、化粧料中に含まれる粒子（スクラブ剤）の分散状態を目視で観察し、その分散状態から以下の基準で粒子の沈降性について評価した。ここで、Ａ評価が合格、Ｂ及びＣ評価は不合格とみなすことができる：
　Ａ：粒子が化粧料内において均一に分散していた。
　Ｂ：粒子が化粧料内において不均一に分散している箇所がいくつかあった。
　Ｃ：粒子が化粧料内において明らかに不均一に分散していた。 (Particle sedimentation evaluation 2: 90°C)
After leaving the prepared oil-based cosmetic composition for 30 minutes at 90° C., which corresponds to the temperature environment on the dashboard of a car in summer, the dispersed state of the particles (scrubbing agent) contained in the cosmetic composition was visually observed. Based on the dispersed state, the sedimentation properties of the particles were evaluated according to the following criteria. Here an A rating can be considered a pass and B and C ratings a fail:
A: Particles were uniformly dispersed in the cosmetic.
B: There were some places where the particles were non-uniformly dispersed in the cosmetic.
C: Particles were apparently non-uniformly dispersed in the cosmetic.
（使用性の評価：伸びの軽さ）
　専門パネル１０名が、２５℃の環境下において、化粧料を唇に塗布したときの使用感を評価した。ここで、Ａ～Ｂ評価が合格、Ｃ評価は不合格とみなすことができる：
　Ａ：パネル１０名中９～１０名が伸びの軽さがあると回答した。
　Ｂ：パネル１０名中５～８名が伸びの軽さがあると回答した。
　Ｃ：パネル１０名中０～４名が伸びの軽さがあると回答した。 (Evaluation of usability: lightness of elongation)
A panel of 10 experts evaluated the feeling of use when the cosmetics were applied to the lips in an environment of 25°C. Here, A-B ratings can be considered a pass and a C rating a fail:
A: 9 to 10 out of 10 panelists answered that the stretchability was light.
B: 5 to 8 out of 10 panelists answered that the spread was light.
C: 0 to 4 out of 10 panelists answered that there was light spreadability.
〈油性化粧料の製造方法〉
（実施例１～９及び比較例１～１３）
　表１～２に示す処方を用い、以下に示す方法に従って、実施例１～９及び比較例１～１３の油性化粧料を各々製造した。 <Method for producing oily cosmetics>
(Examples 1 to 9 and Comparative Examples 1 to 13)
Using the formulations shown in Tables 1 and 2, oily cosmetics of Examples 1 to 9 and Comparative Examples 1 to 13 were produced according to the methods shown below.
　全ての材料を混合し、１００℃に加熱して溶融させた後、ホモディスパーで分散して油性組成物を調製した。 All the materials were mixed, heated to 100°C to melt, and then dispersed with a homodisper to prepare an oily composition.
　この油性組成物を９０℃に加温しながらガラス容器に充填し、室温（約２５℃）まで冷却して油性化粧料を得た。 This oily composition was filled into a glass container while being heated to 90°C, and cooled to room temperature (about 25°C) to obtain an oily cosmetic.
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000002
〈結果〉
　表１及び表２の結果から明らかなように、ポリマー系油相増粘剤及び／又は増粘性粒子を含み、かつ、２５℃及び９０℃において所定の粘度を呈する実施例１～９の化粧料は、常温下での伸びの軽い使用性を維持しつつ、平均粒子径が５０μｍ以上の粒子の高温環境下での沈降を低減又は抑制し得ることが確認できた。 <result>
As is clear from the results in Tables 1 and 2, the cosmetic materials of Examples 1 to 9 containing a polymer-based oil phase thickener and/or thickening particles and exhibiting predetermined viscosities at 25°C and 90°C It was confirmed that sedimentation of particles having an average particle size of 50 μm or more in a high temperature environment can be reduced or suppressed while maintaining the usability of light elongation at room temperature.
　また、比較例１２及び１３の結果から、従来より油性化粧料に使用されている汎用の増粘成分を用いた場合には、４５℃の環境下であれば、平均粒子径が５０μｍ以上の粒子の沈降を抑制することができ、常温下での伸びの軽い使用性を維持できるが、９０℃程度の高温環境下ではかかる粒子の沈降を抑制できないことが分かった。 Further, from the results of Comparative Examples 12 and 13, when using a general-purpose thickening component conventionally used in oil-based cosmetics, particles having an average particle size of 50 μm or more under an environment of 45° C. sedimentation of particles can be suppressed, and usability with light elongation at room temperature can be maintained, but it was found that such sedimentation of particles cannot be suppressed in a high temperature environment of about 90°C.

Claims (6)

  1. 　ポリマー系油相増粘剤及び増粘性粒子からなる群から選択される少なくとも一種、並びに、平均粒子径が５０μｍ以上の粒子を含み、
    　２５℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、４００，０００ｍＰａ・ｓ以下であり、
    　９０℃の雰囲気下、Ｂ型粘度計を用い、１０ｒｐｍで測定される粘度が、２，０００ｍＰａ・ｓ以上である、
    油性化粧料。     At least one selected from the group consisting of polymer-based oil phase thickeners and thickening particles, and particles having an average particle size of 50 μm or more,
    Under an atmosphere of 25 ° C., using a Brookfield viscometer, the viscosity measured at 10 rpm is 400,000 mPa s or less,
    Under an atmosphere of 90 ° C., using a Brookfield viscometer, the viscosity measured at 10 rpm is 2,000 mPa s or more.
    oily cosmetics.
  2. 　前記ポリマー系油相増粘剤が、（スチレン／イソプレン）コポリマー、（エチレン／プロピレン／スチレン）コポリマー、（スチレン／ブタジエン）コポリマー、（スチレン／エチレン／ブチレン）コポリマー、（スチレン／プロピレン／ブチレン）コポリマー、（スチレン／ブチレン）コポリマー、及び（エチレン／プロピレン）コポリマーからなる群から選ばれる少なくとも一種のコポリマーである、請求項１に記載の化粧料。 The polymeric oil phase thickener is a (styrene/isoprene) copolymer, (ethylene/propylene/styrene) copolymer, (styrene/butadiene) copolymer, (styrene/ethylene/butylene) copolymer, (styrene/propylene/butylene) copolymer , (styrene/butylene) copolymer, and (ethylene/propylene) copolymer.
  3. 　前記増粘性粒子が、煙霧状無水ケイ酸及び有機変性粘土鉱物からなる群から選択される少なくとも一種である、請求項１又は２に記載の化粧料。 The cosmetic according to claim 1 or 2, wherein the thickening particles are at least one selected from the group consisting of fumed silicic anhydride and organically modified clay minerals.
  4. 　前記平均粒子径が５０μｍ以上の粒子が、スクラブ剤である、請求項１～３のいずれか一項に記載の化粧料。 The cosmetic according to any one of claims 1 to 3, wherein the particles having an average particle size of 50 µm or more are scrubbing agents.
  5. 　前記平均粒子径が５０μｍ以上の粒子の含有量が、化粧料の全量に対し、１．０質量％以上である、請求項１～４のいずれか一項に記載の化粧料。 The cosmetic according to any one of claims 1 to 4, wherein the content of particles having an average particle diameter of 50 µm or more is 1.0% by mass or more with respect to the total amount of the cosmetic.
  6. 　前記ポリマー系油相増粘剤及び前記増粘性粒子以外の増粘性成分の含有量が、化粧料の全量に対し、６．０質量％以下である、請求項１～５のいずれか一項に記載の化粧料。 The content of the thickening component other than the polymer-based oil phase thickener and the thickening particles is 6.0% by mass or less with respect to the total amount of the cosmetic composition, according to any one of claims 1 to 5 Cosmetics as described.
PCT/JP2022/007008 2021-02-22 2022-02-21 Oily cosmetic WO2022177011A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280011214.1A CN116761586A (en) 2021-02-22 2022-02-21 Oily cosmetic
JP2023500961A JPWO2022177011A1 (en) 2021-02-22 2022-02-21

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-026549 2021-02-22
JP2021026549 2021-02-22

Publications (1)

Publication Number Publication Date
WO2022177011A1 true WO2022177011A1 (en) 2022-08-25

Family

ID=82930684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/007008 WO2022177011A1 (en) 2021-02-22 2022-02-21 Oily cosmetic

Country Status (3)

Country Link
JP (1) JPWO2022177011A1 (en)
CN (1) CN116761586A (en)
WO (1) WO2022177011A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007277115A (en) * 2006-04-03 2007-10-25 Kao Corp Oily cosmetic
JP2011213677A (en) * 2010-03-31 2011-10-27 Naris Cosmetics Co Ltd Oily solid cosmetic
WO2021020351A1 (en) * 2019-07-29 2021-02-04 株式会社 資生堂 Oily cosmetic

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007277115A (en) * 2006-04-03 2007-10-25 Kao Corp Oily cosmetic
JP2011213677A (en) * 2010-03-31 2011-10-27 Naris Cosmetics Co Ltd Oily solid cosmetic
WO2021020351A1 (en) * 2019-07-29 2021-02-04 株式会社 資生堂 Oily cosmetic

Also Published As

Publication number Publication date
JPWO2022177011A1 (en) 2022-08-25
CN116761586A (en) 2023-09-15

Similar Documents

Publication Publication Date Title
EP3148646B2 (en) Cosmetic composition for make up and for taking care of keratin materials
EP3157497B1 (en) Solid lipstick composition having improved hardness
JP6517511B2 (en) Polymers with carbosiloxane dendrimer units and compositions containing large amounts of monoalcohols
JP2021001213A (en) Highly hydrophobized coloring pigment and method for producing the same, and cosmetic containing the same
JP2021109830A (en) Solid lip cosmetic
JP5080919B2 (en) Liquid oily lip cosmetic
US20180214369A1 (en) Long-wear compositions containing silicone resin and silicone elastomer resin
JP4990544B2 (en) Oily solid cosmetic
US9931293B2 (en) Cosmetic compositions for minimizing skin imperfections
JP2006241003A (en) Oily solid cosmetic
JP2003095874A (en) Eyelash cosmetic
JP6468891B2 (en) Oil makeup cosmetics
WO2022177011A1 (en) Oily cosmetic
JP7299811B2 (en) Cosmetics for eyelashes
JP2022067088A (en) Oil-based cosmetics
JP7401434B2 (en) oil-based cosmetics
JP2018162224A (en) Water-in-oil type lip cosmetics
TW202214210A (en) Eyeliner cosmetic preparation
JP6920168B2 (en) Powder cosmetics
JP2021161055A (en) Solid powder cosmetic
CN111840129A (en) Oily gel cosmetic
WO2022091845A1 (en) Oil-based cosmetic
JP2020090478A (en) Oily cosmetic and method for producing oily cosmetic
JP2019182840A (en) Cosmetic for eyelashes
JP6285192B2 (en) Gel lip cosmetic

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22756328

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2023500961

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 202280011214.1

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22756328

Country of ref document: EP

Kind code of ref document: A1