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
  • A61K8/19—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
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/31—Hydrocarbons
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • 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
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/89—Polysiloxanes
  • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
• • 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

Definitions

• the present invention relates to oily cosmetics. More particularly, it relates to an oil-based cosmetic having a long-lasting coating film and an excellent feeling of use.
• a silicone resin is a resin composed of siloxane bonds, and the units constituting the siloxane skeleton include M units (monofunctional), D units (bifunctional), T units (trifunctional), and Q units (tetrafunctional), and there are MQ resins, MT resins, MD resins, etc. in which these are arbitrarily combined.
• a film containing units with a larger number of functional groups tends to form a harder film, and a film containing units with a smaller number of functional groups tends to form a more flexible film. Therefore, when a silicone resin is used as a film-forming agent, it is known that use of an MQ resin containing a Q unit results in a strong film and improved longevity. However, the formulation of MQ resin sometimes causes discomfort such as stickiness and dryness after being applied to the skin.
• polypropylsilsesquioxane a silicone resin containing T units, is used, and by combining certain phenylated oils as non-volatile oils and glyceryl esters, silica, or waxes as gelling agents, , that a cosmetic having improved long-term durability and transfer resistance was obtained.
• An object of the present invention is to provide an oil-based cosmetic that has a long-lasting coating film, less sticky feeling immediately after application and less dry feeling after application, and excellent feeling in use.
• the present inventors have found that by blending a silicone resin with a specific non-volatile oil component, the coating film has a long-term durability and a stickiness immediately after coating.
• the present inventors have found that an oil-based cosmetic that does not feel sticky or dry after application and gives an excellent feel during use can be obtained, leading to the completion of the present invention.
• the present invention An oily cosmetic containing non-volatile oil and volatile oil
• the non-volatile oil is (A) silicone resin, (B) 10% by mass or more of trimethylpentaphenyltrisiloxane relative to the total amount of the cosmetic, and (C) an ester oil having a viscosity of 100 mPa s or more;
• an oily cosmetic characterized by containing
• the film-forming properties are improved. This increases the long-term durability of the coating film. As a result, the make-up lasts longer. Furthermore, the cosmetic does not have sticky feeling immediately after application or dry feeling after application (tight feeling due to dryness), and also has excellent feeling in use.
• the oil-based cosmetic of the present invention contains non-volatile oil and volatile oil.
• Non-volatile oil is, for example, an oily component that remains on the skin at room temperature and atmospheric pressure (normal temperature and normal pressure).
• an oil component having an evaporation rate of less than 0.01 mg/cm 2 /min at normal temperature and normal pressure is defined as “non-volatile oil”.
• the oil-based cosmetic of the present invention is characterized in that the non-volatile oil contains a combination of (A) a silicone resin, a predetermined amount of (B) trimethylpentaphenyltrisiloxane, and (C) an ester oil having a specific viscosity.
• the (A) silicone resin (hereinafter sometimes referred to as "component A") used in the oil-based cosmetic of the present invention is not particularly limited as long as it is commonly used in cosmetics. That is, trialkylsiloxy units (M units (R 3 SiO 1/2 )), dialkylsiloxy units (D units (R 2 SiO 2/2 )), monoalkylsiloxy units (T units (RSiO 3/2 )), It may be a silicone resin composed of any combination of tetrafunctional siloxy units (Q units (SiO 4/2 )).
• the silicon-bonded substituents (R) of these silicone resins each independently represent a hydrocarbon-based substituent such as an alkyl group, a phenyl group, an alkenyl group, or an aryl group. , preferably have 1 to 10 carbon atoms, and some or all of the hydrogen atoms may be substituted with fluorine atoms or other organic functional groups.
• MQ resins silicon resins consisting of M units and Q units
• MQ resins include trimethylsiloxysilicate, trifluoroalkyldimethyltrimethylsiloxysilicate, and phenylpropyldimethylsiloxysilicate.
• Silicone resins containing at least one T unit include, for example, polymethylsilsesquioxane, polypropylsilsesquioxane, polyphenylsilsesquioxane, (trifluoropropyl dimethylsiloxy/trimethylsiloxy)silsesquioxane and the like. These are also available as commercial products.
• BELSIL PMK POWDER polymethylsilsesquioxane, manufactured by Asahi Kasei Wacker Silicone Co., Ltd.
• KR-220L polymethylsilsesquioxane, manufactured by Shin-Etsu Chemical Co., Ltd.
• BELSIL SPR 45 VP polyphenylsilsesquioxane, Asahi Kasei Wacker Silicone Co., Ltd.
• FR-5 ((trifluoropropyldimethylsiloxy/trimethylsiloxy)silsesquioxane, Momentive Performance Materials Co., Ltd.), and the like.
• Component A in the oily cosmetic composition of the present invention preferably contains a silicone resin selected from MQ resins and MT resins. Either MQ resin or MT resin may be blended alone, but MQ resin is preferably blended. In the oil-based cosmetic of the present invention, it is preferable to use a combination of MQ resin (particularly trimethylsiloxysilicate) and MT resin (particularly polymethylsilsesquioxane).
• the blending amount of the silicone resin (component A) in the oil-based cosmetic composition of the present invention is preferably 10-30% by mass, more preferably 15-25% by mass, based on the total amount of the cosmetic composition.
• the amount of the silicone resin (component A) to be blended is preferably in the range of 20 to 60% by weight, more preferably 30 to 50% by weight, based on the total amount of non-volatile components contained in the cosmetic. If the blending amount of component A is less than 10% by mass of the total amount of the cosmetic or 20% by mass of the total amount of non-volatile components, film forming properties may be poor. If it is blended in excess, there is a tendency that the comfortable feeling of use is lost.
• Trimethylpentaphenyltrisiloxane (B) Trimethylpentaphenyltrisiloxane (hereinafter sometimes referred to as "component B") in the oil-based cosmetic of the present invention is a kind of phenyl-modified silicone commonly used in cosmetics. be. This is also available as a commercial product, and examples thereof include Dow PH-1555 HRI Cosmetic Fluid (manufactured by Dow Corning Toray Co., Ltd.).
• the content of trimethylpentaphenyltrisiloxane (component B) in the oil-based cosmetic of the present invention is 10% by mass or more, preferably 21% by mass or more, more preferably 30% by mass or more, based on the total amount of the cosmetic.
• the upper limit of the amount to be blended with respect to the total amount of the cosmetic is not particularly limited, it is, for example, 60% by mass or less, preferably 50% by mass or less.
• the amount range of trimethylpentaphenyltrisiloxane (component B) may be included between the above lower limit and upper limit. Examples include 21 to 50% by mass, 30 to 60% by mass, and 30 to 50% by mass.
• the amount of trimethylpentaphenyltrisiloxane (component B) is preferably in the range of 20 to 60% by mass, more preferably 20 to 50% by mass, and still more preferably 36 to 50% by mass based on the total amount of non-volatile components. % by mass. If the amount of component B is less than 10% by mass based on the total amount of the cosmetic, or less than 20% by mass based on the total amount of non-volatile components, it may be difficult for the coating film to remain. If the content exceeds 60% by mass, stickiness may occur.
• component C Ester oil
• component C Ester oil (hereinafter sometimes referred to as “component C") in the oil-based cosmetic of the present invention is a non-volatile that is recognized as “ester oil” in the technical field of cosmetics. and has a viscosity of 100 mPa s or more, preferably 420 mPa s or more, more preferably 1000 mPa s or more at 20 ° C. (also called ester oil).
• the "viscosity” in this specification be the value measured using the Brookfield viscometer.
• ester oil (component C) having a specific viscosity in the present invention examples include triisostearin (viscosity: 13890 mPa s), trimethylolpropane triisostearate (viscosity: 257 mPa s), pentaerythrityl tetraethylhexanoate (viscosity: : 124 mPa s), pentaerythrityl tetraisostearate (viscosity: 420 mPa s), polyglyceryl-6 octacaprylate (viscosity: 369 mPa s), diisostearyl malate (viscosity: 5500 mPa s), triisostearic acid Examples include, but are not limited to, polyglyceryl-2 (viscosity: 448 mPa ⁇ s) and (isostearic acid/sebacic acid) ditrimethylolpropane
• the blending amount of the ester oil (ingredient C) with a specific viscosity in the oil-based cosmetic of the present invention is 5-30% by mass, preferably 10-20% by mass, based on the total amount of the cosmetic.
• the range is preferably 10 to 40% by mass, more preferably 10 to 20% by mass, based on the total amount of non-volatile components. If the blending amount is less than 5% by mass based on the total amount of the cosmetic, granular lumps are likely to occur, and if the blending amount is more than 30% by mass, the make-up durability may deteriorate.
• non-volatile oil in the oil-based cosmetic of the present invention may contain other oily components in addition to the essential components A, B and C described above.
• an oily (oil-soluble) thickener can be blended to adjust the viscosity of the cosmetic.
• Glyceryl ester is preferably used as the oil-based thickener blended in the oil-based cosmetic of the present invention.
• a hydrocarbon wax such as polyethylene wax
• the purpose of the present invention such as long-lasting makeup and feeling after use, can be achieved, but it interacts with other blended ingredients to generate granular lumps.
• Solid lumps refer to lumps of cosmetics that have become granules due to poor adhesion and spreading on the skin when the cosmetics are applied, or dry coating films that have cracked and partially peeled off over time. It means the small clumps of cosmetic that result.
• the glyceryl ester which is the oil-based thickener used in the oil-based cosmetic of the present invention, is not particularly limited as long as it is commonly used in cosmetics. Examples include glyceryl tribehenate, glyceryl tristearate, glyceryl tripalmitate, glyceryl trilaurate, glyceryl behenate, glyceryl behenate/polyglyceryl-6 octastearate, and glyceryl (behenate/eicosanedioate). .
• Esteride G-BP glyceryl tribehenate, manufactured by National Mimatsu
• Esteride GS glyceryl tristearate, manufactured by National Mimatsu
• Esteride GP glyceryl tripalmitate, manufactured by National Mimatsu
• Esteride GL glyceryl trilaurate, manufactured by National Mimatsu
• Compritol 888 CG ATO glyceryl tribehenate, manufactured by Gatefosse
• TAISET 50 -C glyceryl behenate/polyglyceryl-6 octastearate, manufactured by Taiyo Kagaku Co., Ltd.
• Nomucort HK-G (behenate/eicosanedioic acid) glyceryl, manufactured by Nisshin Oillio Co., Ltd.), and the like.
• (behenic acid/eicosanedioic acid) glyceryl is preferred.
• the blending amount of the oil-based thickener, preferably glyceryl ester, used in the oil-based cosmetic of the present invention is not particularly limited as long as it is the amount normally blended in the cosmetic for the purpose of thickening.
• the range is preferably 1 to 10% by mass, more preferably 2 to 6% by mass, based on the total amount of the cosmetic.
• nonvolatile oily components within a range that does not impede the effects of the present invention. can be compounded. Examples thereof include hydrocarbon oils, higher fatty acids, higher alcohols, fats and oils, ester oils (other than component C), silicone oils (other than component B), oily pigments, surfactants, and the like.
• the oil-based cosmetic of the present invention may further contain "powder”.
• the above "non-volatile oil” and powder are collectively referred to as “non-volatile components”.
• the powder used in the oil-based cosmetic of the present invention is not particularly limited as long as it is commonly used in cosmetics.
• examples of such powders include spherical powders, plate-like powders, coloring materials, and the like.
• spherical powders include porous spherical powders such as silica; Spherical resin powders such as ethylene chloride and silicone resin can be used.
• plate-like powder examples include mica, synthetic mica (synthetic phlogopite), talc, sericite, aluminum oxide, magnesium oxide, zirconium oxide, magnesium carbonate, calcium carbonate, calcium sulfate, chromium oxide, chromium hydroxide, and aluminum silicate.
• Colorants are raw materials that are blended for the purpose of imparting the color of the cosmetic itself or the color when applied to the skin or lips. Specific examples include organic pigments, colored pigments, white pigments, pearl pigments, glitter Agents and the like that are usually blended in oily cosmetics can be used.
• organic pigments include, but are not limited to, Risol Rubin BCA (Red No. 202), Lake Red C (Red No. 203), Lake Red CBA (Red No. 204), Risol Red (Red No. 205), Risole Red CA (Red No. 206), Risole Red BA (Red No. 207), Risole Red SR (Red No. 208), Brilliant Lake Red R (Red No. 219), Deep Maroon (Red No. 220), Toluidine Red (Red No. 221) No.), Permaton Red (Red No. 228), Permanent Orange (Orange No. 203), Benzine Orange G (Orange No. 204), Benzine Yellow G (Yellow No.
• Coloring pigments include red iron oxide (red iron oxide), iron titanate, ⁇ -iron oxide, yellow iron oxide, ocher, black iron oxide, carbon, low order titanium oxide, mango violet, cobalt violet, chromium oxide, and chromium hydroxide. , cobalt titanate, ultramarine blue, dark blue, and the like.
• White pigments include titanium dioxide, zinc oxide, barium sulfate and the like.
• Pearl luster pigments include titanium dioxide-coated mica (mica titanium), iron oxide-coated mica titanium, carmine-coated mica titanium, carmine/conjo-coated mica titanium, iron oxide/carmine-treated mica titanium, konjo-treated mica titanium, Iron oxide/conjo treated mica titanium, chromium oxide treated mica titanium, black titanium oxide mica titanium, acrylic resin coated aluminum powder, titanium oxide coated mica, titanium oxide coated bismuth oxychloride, titanium oxide coated talc, colored titanium oxide coated mica, oxide Titanium-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, and fish scale foil.
• titanium dioxide-coated mica mica titanium
• iron oxide-coated mica titanium carmine-coated mica titanium, carmine/conjo-coated mica titanium, iron oxide/carmine-treated mica titanium, konjo-treated mica titanium
• Resins and metal powders can be used as lame agents, and polyethylene terephthalate/aluminum/epoxy lamination powder, polyethylene terephthalate/aluminum lamination powder, polyethylene terephthalate/gold lamination powder, polyethylene terephthalate/polyolefin laminated film powder, polyethylene terephthalate/polyolefin lamination powder, etc.
• Examples include polymethyl methacrylate laminated film powder, polyethylene/polyester laminated powder, polyethylene/polyethylene terephthalate laminated powder, acrylic resin-coated aluminum powder, and the like.
• those powders colored with legal dyes or inorganic pigments can also be used.
• the blending amount of the powder used in the oil-based cosmetic of the present invention can be appropriately set according to the purpose of the oil-based cosmetic. From the viewpoint of film-forming properties (cosmetic film strength), it is preferable that the amount of the powder, excluding the coloring material, is 8% by mass or less relative to the total amount of the cosmetic.
• the oil-based cosmetic of the present invention contains a "non-volatile ingredient" in which an arbitrary powder is added to the non-volatile oil, and in addition, it further contains a volatile oil.
• a volatile oil By incorporating a volatile oil, the spreadability of the cosmetic upon application is further improved.
• the volatile oil to be blended in the cosmetic of the present invention may be one commonly used in cosmetics, and can be defined, for example, as an oil having a boiling point in the range of 60 to 260° C. under normal pressure. .
• a volatile oil in which all of the essential components A, B and C are soluble include volatile hydrocarbon oils having 8 to 16 carbon atoms, volatile silicone oils, and mixtures thereof.
• these volatile oils are selected from branched C8-C16 alkanes, branched C8-C16 esters and mixtures thereof.
• the amount of the volatile oil is preferably 0.1 to 50% by mass, more preferably 1 to 30% by mass, based on the total amount of the cosmetic. is preferred.
• the thickening property and coloring material dispersibility can be further improved according to the blending amount of the volatile oil.
• the blending amount of volatile oil is 50% by mass or more based on the total amount of the cosmetic
• component A is 38% by mass or less
• component B is 25% by mass or less with respect to the nonvolatile components.
• the component C is 25% by mass or more.
• the oily cosmetic composition of the present invention can be produced according to conventionally used methods.
• the formulation can be liquid, paste, solid, semi-solid, gel, and the like.
• the oily cosmetic composition of the present invention is preferably liquid or paste.
• the oil-based cosmetic of the present invention can be provided in the form of lipstick, lip gloss, lip base for foundation, lipstick overcoat (lip coat), lip balm, eye gloss, blush, foundation, eye shadow, and the like.
• lipstick or eyeshadow when used as lipstick or eyeshadow, the effective effects of the present invention are likely to be exhibited.
• the present invention will be described in more detail below with reference to examples, the present invention is not limited by these examples.
• the compounding amount means % by mass with respect to the total amount of the cosmetic. Prior to the examples, the evaluation method used in the present invention will be described.
• Evaluation method 1 Residuality of coating film (color persistence) A practical usability test was conducted by a panel of 10 experts. Specifically, the sample was applied to the lips, and the cosmetic durability after 2 hours of application was scored based on the following scoring criteria. Furthermore, the total score was evaluated based on the following evaluation criteria. "Scoring Criteria" 5 points: very good 4 points: excellent 3 points: average 2 points: poor 1 point: very poor "Evaluation criteria" A: Total score of 40 points or more B: Total score of 35-39 points C: Total score of 25-34 points D: Total score of 24 points or less
• a liquid lipstick having the composition shown in Tables 1 to 3 below was prepared according to a conventional method. According to the evaluation methods described above, the remaining degree of the coating film (color persistence), the feeling of use (absence of tight feeling, absence of stickiness (sticky feeling)), and the presence or absence of granular lumps were evaluated. These results are also shown in each table.
• Example 1 Compared to Example 2, in which only MQ resin was blended as component A, Example 1, in which MQ resin and MT resin were blended in combination, tended to improve in lack of stickiness. Further, in Example 8 in which glyceryl ester was blended as an oil-based thickener, no granular lumps were generated, but in Example 9 in which polyethylene wax was blended, granular lumps were generated.
• Formulation Example 1 (liquid lipstick) (Component name) Blending amount (% by mass) (Behenate/Eicosanedioate)glyceryl 3 Isododecane balance polymethylsilsesquioxane 8 Trimethylsiloxysilicate 8 Trimethylpentaphenyltrisiloxane 32.5 Diisostearyl malate 10 Red 202 2.16 Barium sulfate 2.34 Nicotinamide 5 Total 100
• Formulation Example 2 (liquid lipstick) (Component name) Blending amount (% by mass) (Behenate/Eicosanedioate)glyceryl 3 Isododecane balance polymethylsilsesquioxane 8 Trimethylsiloxysilicate 8 Trimethylpentaphenyltrisiloxane 32.5 Diisostearyl malate 10 Red 202 2.16 Barium sulfate 2.34 Nicotinamide 0.1 Total 100

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• 2022
  • 2022-12-09 WO PCT/JP2022/045389 patent/WO2023120228A1/ja not_active Ceased
  • 2022-12-09 JP JP2023569303A patent/JPWO2023120228A1/ja active Pending

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