Oil-based cosmetic composition and water-in-oil emulsion cosmetic composition

Abstract

Provided is an oily cosmetic composition and a water-in-oil emulsion cosmetic composition that can ensure the dispersibility of surface-treated pigment particles that have been compounded, while suppressing the bleeding of the pigment particles (i.e., excellent oil resistance). A composition is an oily cosmetic composition or a water-in-oil emulsion cosmetic composition that includes, as an oil phase component, (A) pigment particles that have been surface-treated with a surface treatment agent, (B) a silicone-based film-forming agent, and (C) an oil fraction that includes at least one of a volatile oil fraction and a non-volatile oil fraction, the surface treatment agent includes at least one selected from the group consisting of an amino acid-based treatment agent, an amino acid / ester complex treatment agent, and a metal soap treatment agent, and in the case where the oil fraction includes a non-volatile oil fraction, the content ratio of the silicone-based film-forming agent with respect to the non-volatile oil fraction is 0.6 or greater.

Description

Technical Field

[0001] This invention relates to oil-based cosmetic compositions and water-in-oil emulsion cosmetic compositions. Background Technology

[0002] To date, numerous reports have been published on oily or water-in-oil emulsion cosmetic compositions incorporating film-forming agents.

[0003] For example, Patent Document 1 discloses a water-in-oil emulsion cosmetic containing the following components (A), (B), (C) and (D): (A) 0.1-10% by mass of non-volatile phenyl-modified organosilicon, (B) 0.01-30% by mass of ester oil selected from pentaerythritol fatty acid esters and dipentaerythritol fatty acid esters, which is liquid at 25°C, (C) 0.01-20% by mass of film-forming agent, and (D) 1-20% by mass of coloring pigment that has undergone hydrophobic treatment.

[0004] Existing technical documents

[0005] Patent documents

[0006] Patent Document 1: Japanese Patent Application Publication No. 2020-186217 Summary of the Invention

[0007] The problem that the invention aims to solve

[0008] For cosmetics that combine film-forming agents and surface-treated pigment particles as described above, although the water resistance of the cosmetics can be ensured by combining film-forming agents, the following problem is known—the surface-treated pigment particles seep out of the film-forming agent due to oils such as sebum from the skin, i.e., poor oil resistance.

[0009] Furthermore, such cosmetics have the following problems: depending on the type of surface treatment of the pigment particles, the dispersibility of the oil and / or film-forming agent becomes poor, which easily leads to uneven color.

[0010] The present invention aims to improve the above situation and its object is to provide an oily cosmetic composition and an oil-in-water emulsion cosmetic composition that can ensure the dispersibility of the surface-treated pigment particles in the mixture, while inhibiting the seepage of the pigment particles (i.e., excellent oil resistance).

[0011] Methods for solving problems

[0012] The present invention, which achieves the above objectives, is described below.

[0013] <Option 1>

[0014] A composition, which is an oil-based cosmetic composition or a water-in-oil emulsion cosmetic composition, wherein the composition comprises, as an oil phase component, an oil-based component.

[0015] (A) Pigment particles that have undergone surface treatment with a surface treatment agent, (B) Organosilicon film-forming agents, and (C) Oil content, The aforementioned oils include at least one of volatile oils and non-volatile oils. The aforementioned surface treatment agent comprises at least one selected from amino acid-based treatment agents, amino acid / ester composite treatment agents, and metal soap treatment agents, and When the oil contains the non-volatile oil, the content ratio of the silicone film-forming agent to the non-volatile oil (mass of the silicone film-forming agent / mass of the non-volatile oil) is 0.6 or more.

[0016] Option 2

[0017] According to the composition of Scheme 1, the above-mentioned organosilicon film-forming agent comprises trimethylsiloxysilicate.

[0018] Option 3

[0019] According to the composition described in Scheme 1 or 2, the oil component comprises the aforementioned volatile oil component, and

[0020] In the above-mentioned oils, the content of the above-mentioned volatile oils is 80% or more by mass.

[0021] Option 4

[0022] In the composition according to any one of Schemes 1 to 3, the content of the above-mentioned organosilicon film-forming agent is 1.0 to 20% by mass.

[0023] Option 5

[0024] In the composition according to any one of Schemes 1 to 4, the content of the non-volatile oil is 8.0% by mass or less.

[0025] <Option 6>

[0026] A cosmetic for eyelashes or eyebrows comprising the composition described in any one of schemes 1 to 5.

[0027] The effects of the invention

[0028] According to the present invention, oil-based cosmetic compositions and water-in-oil emulsion cosmetic compositions can be provided that ensure the dispersibility of the mixed, surface-treated pigment particles while exhibiting excellent oil resistance. Detailed Implementation

[0029] The embodiments of the present invention will now be described in detail. However, the present invention is not limited to the following embodiments and can be implemented in various ways within the scope of the invention's intent.

[0030] The Composition of the Invention

[0031] The compositions of the present invention are oil-based cosmetic compositions or water-in-oil emulsion cosmetic compositions, wherein the compositions comprise, as oil phase components,

[0032] (A) Pigment particles that have undergone surface treatment with a surface treatment agent, (B) Organosilicon film-forming agents, and (C) Oil content, The oil content includes at least one of volatile oils and non-volatile oils. The surface treatment agent comprises at least one selected from amino acid-based treatment agents, amino acid / ester composite treatment agents, and metal soap treatment agents, and When the oil contains non-volatile oil, the content ratio of the silicone film-forming agent to the non-volatile oil (mass of silicone film-forming agent / mass of non-volatile oil) is 0.6 or more.

[0033] Furthermore, in this invention, the term "oil-based cosmetic composition" refers to a cosmetic composition with a single oil phase. However, in this invention, the oil-based cosmetic composition may contain small or appropriate amounts (e.g., less than 5.0% by mass, less than 2.0% by mass, less than 1.0% by mass, less than 0.5% by mass, less than 0.1% by mass, less than 0.01% by mass, or less than 0.001% by mass relative to the total composition) of water or aqueous components.

[0034] Furthermore, in this invention, the term "oil phase component" refers to the component that constitutes the oil phase. In the case that the composition of this invention is a water-in-oil emulsion cosmetic composition, the oil phase component constitutes the external phase.

[0035] The compositions of the present invention ensure the dispersibility of the mixed, surface-treated pigment particles while inhibiting the seepage of the pigment particles, i.e., excellent oil resistance. While not theoretically limited, this can be attributed to reasons such as the following.

[0036] It can be assumed that if a cosmetic composition containing surface-treated pigment particles, a silicone-based film-forming agent, and oil is applied to an object (e.g., skin, eyelashes), after the volatile components in the composition (e.g., volatile oils, water, etc.) evaporate, a film of the oil phase component formed by the silicone-based film-forming agent is formed on the surface of the object, and the surface-treated pigment particles are confined within the film. In this case, to improve the dispersibility of the surface-treated pigment particles in the silicone-based film-forming agent, it is possible to consider, for example, using pigment particles surface-treated with a silicone-based surface treatment agent that is considered to be compatible with silicone-based film-forming agents. However, through in-depth research by the inventors, it has been found that while using pigment particles surface-treated with a silicone-based surface treatment agent can improve the dispersibility of the pigment particles in the silicone-based film-forming agent, on the other hand, when the film obtained in this way comes into contact with the sebum and other oils of the skin, there is a tendency for the pigment particles to easily seep out from the silicone-based film-forming agent.

[0037] Thus, it is not easy to balance improving the dispersibility of surface-treated pigment particles with inhibiting their seepage.

[0038] Therefore, through further in-depth research by the inventors, it has been discovered that, without unnecessarily increasing the dispersibility of surface-treated pigment particles in the silicone-based film-forming agent, and by adjusting the dispersibility to a moderate level, the seepage of surface-treated pigment particles from the silicone-based film-forming agent can be suppressed. More specifically, pigment particles treated with a specific surface-treatment agent other than silicone-based can be specifically selected for the silicone-based film-forming agent to ensure a certain degree of dispersibility while suppressing the seepage of pigment particles from the silicone-based film-forming agent.

[0039] Furthermore, through in-depth research, the inventors discovered that when the oil contains non-volatile oil, in order to suppress the exudation of pigment particles from the silicone-based film-forming agent, the content ratio of the silicone-based film-forming agent to the non-volatile oil is adjusted to a specific range.

[0040] In other words, the inventors combined pigment particles treated with a specific surface treatment agent with an organosilicon film-forming agent, and when the oil content included non-volatile oils, by adjusting the content ratio of the organosilicon film-forming agent to the non-volatile oils to a specific range, they were able to obtain the composition of the present invention that ensures the dispersibility of the surface-treated pigment particles while exhibiting excellent oil resistance.

[0041] The composition of the composition of the present invention will be described in detail below.

[0042] <(A) Pigment particles that have been surface-treated with a surface treatment agent>

[0043] The composition of the present invention comprises pigment particles that have been surface-treated with a surface-treatment agent as an oil phase component. Here, the surface-treatment agent comprises at least one selected from amino acid-based treatment agents, amino acid / ester composite treatment agents, and metal soap treatment agents. Hereinafter, the pigment particles that have been surface-treated with a specific surface-treatment agent will also be referred to simply as "pigment particles of the present invention".

[0044] In the composition of the present invention, the content of the pigment particles of the present invention is not particularly limited. For example, relative to the whole composition, it can be 0.5% by mass or more, 1.0% by mass or more, 1.5% by mass or more, 2.0% by mass or more, 2.5% by mass or more, 3.0% by mass or more, 3.5% by mass or more, 4.0% by mass or more, 4.5% by mass or more, or 5.0% by mass or more. In addition, it can be 20% by mass or less, 18% by mass or less, 16% by mass or less, 14% by mass or less, 12% by mass or less, 10% by mass or less, 8.0% by mass or less, or 6.0% by mass or less.

[0045] In this invention, the term "amino acid-based treatment agent" refers to a surface treatment agent that uses amino acids or salts of amino acids (excluding "amino acid / ester composite treatment agents"). Furthermore, it refers to substances in which the amino group of an amino acid is acylated.

[0046] Specifically, examples of amino acids used as amino acid-based treatment agents include, but are not limited to, glutamic acid, aspartic acid, and lysine. Furthermore, the acylated amino acid can be, for example, an amino acid obtained by acylation of a saturated fatty acid obtained through the condensation of a saturated fatty acid with 12 to 20 carbon atoms. Specific acyl groups include, for example, stearoyl and lauroyl, but are not limited to. Additionally, examples of salts of amino acids (including salts of acylated amino acids) include, for example, alkali metal salts such as sodium and potassium, and alkaline earth metal salts, but are not limited to.

[0047] More specifically, examples of amino acid-based treatment agents include, for example, sodium bis(lauramide-glutamine) lysine and disodium stearoyl glutamate, but are not limited to these.

[0048] In this invention, the amino acid / ester composite treatment agent is a type of ester-based surface treatment agent. Here, the amino acid used as the amino acid / ester composite treatment agent can be the same as the amino acid used in the aforementioned amino acid-based treatment agents. Furthermore, the ester can be a compound in which a monovalent or divalent fatty acid with 8 to 12 carbon atoms is bonded to a saturated aliphatic alcohol with 12 to 20 carbon atoms via an ester bond. Here, the alkyl chains of the fatty acid and the aliphatic alcohol can be straight-chain or branched. Examples of esters used as the amino acid / ester composite treatment agent include, for example, isostearyl sebacate monoester, but it is not limited to this.

[0049] More specifically, examples of amino acid / ester complex treatment agents include, but are not limited to, treatment agents containing disodium stearoyl glutamate and isostearyl sebacate monoester.

[0050] In this invention, the metal soap treatment agent is also referred to as a "metal salt of fatty acid". Here, the fatty acid that forms the metal soap treatment agent is preferably, for example, a fatty acid with 12 or more carbon atoms. In addition, there is no particular limitation on the upper limit of the number of carbon atoms in the fatty acid, and it can be, for example, 32 or less, 24 or less, or 18 or less. Furthermore, there is no particular limitation on the metal salt of the fatty acid, and it can be, for example, a salt of calcium, aluminum, or magnesium.

[0051] More specifically, examples of metal soap treatment agents include, but are not limited to, calcium stearate, aluminum dimyristate, and magnesium stearate.

[0052] In this invention, the pigment particles can be obtained by using conventional methods to adsorb the aforementioned surface treatment agent onto the surface of untreated pigment particles. Furthermore, the pigment particles of this invention can use commercially available substances that have been surface-treated with the aforementioned surface treatment agent.

[0053] In this invention, pigment particles supplied for surface treatment can be used regardless of their shape (spherical, rod-shaped, needle-shaped, plate-shaped, irregular shape, flake-shaped, spindle-shaped, etc.), particle size (smoky, microparticle, pigment grade, etc.), or particle structure (porous, non-porous, etc.). Examples include inorganic pigment powders (containing natural mineral pigments or synthetic inorganic pigments, etc.), organic pigments, and organic pigment particles, but are not limited to these.

[0054] More specifically, examples of inorganic pigments include, but are not limited to, titanium dioxide, iron oxide yellow, iron oxide red, iron oxide black, talc, zinc oxide, silicon dioxide, pearl mica, mica, carbon black, iron oxide, cerium oxide, manganese violet, cobalt violet, chromium oxide, chromium hydroxide, cobalt titanate, ultramarine, navy blue, magnesium oxide, zirconium oxide, kaolin, sericite, muscovite, phlogopite, synthetic mica, ruby, biotite, vermiculite, silicon dioxide, calcium carbonate, magnesium carbonate, magnesium silicate, aluminum silicate, barium silicate, calcium silicate, barium sulfate, calcium sulfate, calcium phosphate, hydroxyapatite, boron nitride, pearlescent pigments, and bismuth oxychloride.

[0055] Examples of organic pigments include, but are not limited to, Red No. 3, Red No. 10, Red No. 106, Red No. 201, Red No. 202, Red No. 204, Red No. 205, Red No. 220, Red No. 226, Red No. 227, Red No. 228, Red No. 230, Red No. 401, Red No. 405, Red No. 505, Yellow No. 4, Yellow No. 5, Yellow No. 202, Yellow No. 203, Yellow No. 205, Yellow No. 401, Orange No. 201, Orange No. 203, Orange No. 204, Orange No. 205, Orange No. 206, Orange No. 207, Blue No. 1, Blue No. 2, Blue No. 201, Blue No. 404, Green No. 3, Green No. 201, Green No. 204, and Green No. 205.

[0056] Examples of organic pigment powders include, but are not limited to, tar pigments, nylon powders, cellulose powders, polyethylene powders, polymethyl methacrylate powders, polystyrene powders, acrylic powders, and organosilicon powders.

[0057] Furthermore, these pigment particles can be used alone or in combination.

[0058] In this invention, from the viewpoint of use in makeup materials such as foundation, mascara, eyeshadow, eyebrow pencil and blush, the pigment particles exemplified above may include at least one selected from titanium dioxide, iron oxide yellow, iron oxide red, iron oxide black, talc, zinc oxide, silicon dioxide, pearl mica, mica and sericite.

[0059] <(B) Organosilicon film-forming agents>

[0060] The compositions of the present invention contain an organosilicon-based film-forming agent as an oil phase component.

[0061] Furthermore, in this invention, the term "organosilicon-based film-forming agent" refers to a film-forming agent with organosilicon as the main component. Therefore, it refers to, for example, a film-forming agent that is a polymer having an organosilicon moiety as the main chain or a grafted polymer containing an organosilicon moiety. However, it does not mean, for example, a film-forming agent that is a polysaccharide (e.g., organosilicon-modified budding short stem enzyme polysaccharide) in which an organosilicon group is introduced only as a side chain or terminal group.

[0062] Therefore, in this invention, the organosilicon film-forming agent may contain, for example, at least one selected from trimethylsiloxysilicate, fluorinated alkyl dimethylsiloxysilicate, trimethylsiloxysilicate / polydimethylsiloxane crosspolymer, (alkyl acrylate / polydimethylsiloxane) copolymer and polymethylsilsesquioxane.

[0063] In the compositions of the present invention, the content of the organosilicon film-forming agent is not particularly limited. For example, relative to the whole composition, it can be 1.0% by mass or more, 1.5% by mass or more, 2.0% by mass or more, 2.5% by mass or more, 3.0% by mass or more, 3.5% by mass or more, 4.0% by mass or more, 4.5% by mass or more, or 5.0% by mass or more. Alternatively, it can be 20% by mass or less, 18% by mass or less, 16% by mass or less, 14% by mass or less, 12% by mass or less, 10% by mass or less, 8.0% by mass or less, or 6.0% by mass or less.

[0064] Furthermore, in the composition of the present invention, the content ratio of the organosilicon film-forming agent to the surface-treated pigment particles (mass of organosilicon film-forming agent / mass of surface-treated pigment particles) is not particularly limited. For example, it can be 0.5 or more, 0.6 or more, 0.7 or more, 0.8 or more, 0.9 or more, or 1.0 or more. In addition, it can be 5.0 or less, 4.5 or less, 4.0 or less, 3.0 or less, 2.0 or less, or 1.0 or less.

[0065] Furthermore, in the composition of the present invention, the content of the organosilicon film-forming agent relative to 100 parts by weight of the oil phase component can be, for example, 2.0 parts by weight or more, 3.0 parts by weight or more, 4.0 parts by weight or more, or 5.0 parts by weight or more, or 20 parts by weight or less, 15 parts by weight or less, 10 parts by weight or less, or 8.0 parts by weight or less.

[0066] Furthermore, in the composition of the present invention, relative to 100 parts by mass of the component after removing volatile components from the oil phase, the content of the organosilicon film-forming agent can be, for example, 5.0 parts by mass or more, 8.0 parts by mass or more, 10 parts by mass or more, 11 parts by mass or more, 12 parts by mass or more, 13 parts by mass or more, 14 parts by mass or more, 15 parts by mass or more, 16 parts by mass or more, 17 parts by mass or more, 18 parts by mass or more, 19 parts by mass or more, 20 parts by mass or more, or 21 parts by mass or more; and can also be 30 parts by mass or less, 25 parts by mass or less, or 22 parts by mass or less. Here, volatile components refer to, for example, components containing volatile oils and water.

[0067] According to one embodiment of the present invention, the organosilicon film-forming agent preferably comprises trimethylsiloxysilicate.

[0068] In this invention, the weight-average molecular weight of trimethylsiloxysilicate is not particularly limited; for example, it can be 5000 or more, 7000 or more, or 10000 or more, or less than 50000. For example, from the viewpoint of providing better makeup staying power in eyelashes and eyeliner, a trimethylsiloxysilicate with a weight-average molecular weight of 5000 or more is preferred. Furthermore, the weight-average molecular weight is a polystyrene equivalent value obtained by gel permeation chromatography (GPC).

[0069] Trimethylsiloxane silicates can be substances manufactured by known methods, or commercially available products can be used.

[0070] 〈Oil content〉

[0071] The compositions of the present invention contain oil as an oil phase component.

[0072] In addition, in this invention, the term "oil" refers to an oily medium, but functional oil phase components such as film-forming agents, gelling agents, and surfactants are not included in the concept of oil.

[0073] In the composition of the present invention, the oil content is not particularly limited. For example, relative to the whole composition, it can be 30% or more by mass, 35% or more by mass, 40% or more by mass, 45% or more by mass, 50% or more by mass, 55% or more by mass, 60% or more by mass, 65% or more by mass, 70% or more by mass, or 75% or more by mass. Alternatively, it can be 80% or less by mass, 75% or less by mass, 65% or less by mass, 60% or less by mass, or 55% or less by mass.

[0074] In this invention, the oil component may comprise at least one of volatile oil components and non-volatile oil components. Of course, in the composition of this invention, the oil component may comprise only volatile oil components, may comprise only non-volatile oil components, or may comprise a mixture of volatile and non-volatile oil components.

[0075] Furthermore, in this invention, the term "volatility" of an oil refers to an oil with a boiling point below 260°C at normal pressure (1 atmosphere). Conversely, in this invention, the term "non-volatility" of an oil refers to an oil with a boiling point above 260°C at normal pressure (1 atmosphere).

[0076] However, in the composition of the present invention, when the oil component includes non-volatile oil, the content ratio of the aforementioned silicone-based film-forming agent to the non-volatile oil (mass of silicone-based film-forming agent / mass of non-volatile oil) is 0.6 or more. More specifically, this content ratio can be 0.6 or more, 0.7 or more, 0.8 or more, 0.9 or more, or 1.0 or more. Here, since the composition of the present invention may not contain non-volatile oil, there is no particular upper limit to the value of this content ratio.

[0077] Furthermore, the oil content of the non-volatile oil in the composition of the present invention is not particularly limited. For example, relative to the whole composition, it can be 8.0% by mass or less, 7.0% by mass or less, 6.0% by mass or less, 5.0% by mass or less, 4.0% by mass or less, 3.0% by mass or less, 2.0% by mass or less, 1.0% by mass or less, 0.5% by mass or less, or 0.1% by mass or less. Alternatively, it can be 0.1% by mass or more, 0.5% by mass or more, 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.

[0078] Furthermore, in this invention, whether the oil component contains volatile oils can be appropriately adjusted based on the purpose / use of the composition. For example, when using the composition of this invention in a cosmetic for eyelashes or eyebrows, the oil component preferably contains volatile oils. In this case, the content of volatile oils relative to the oil component can be, for example, 80% by mass or more, 85% by mass or more, 90% by mass or more, 95% by mass or more, 99% by mass or more, or 100% by mass (i.e., the oil component consists only of volatile oils). In addition, in this case, the content of volatile oils relative to the oil component can be, for example, less than 100% by mass, less than 99% by mass, less than 98% by mass, or less than 95% by mass.

[0079] In this invention, the term "volatile oil" is not particularly limited, and examples include, but are not limited to, volatile hydrocarbon oils and volatile silicone oils.

[0080] In this invention, examples of volatile hydrocarbon oils include, but are not limited to, decane, dodecane, isododecane, isohexadecane, undecane, tridecane, alkanes with 9 to 12 carbon atoms, hydrogenated polyisobutylene (also known as "light isoalkanes", with a boiling point of about 171°C to 193°C), and mixtures of two or more thereof.

[0081] In this invention, examples of volatile silicone oils include, for example, volatile cyclic organosilicon oils and volatile linear organosilicon oils. Furthermore, examples of volatile cyclic organosilicon oils include dodecylcyclohexasiloxane, decamethylcyclopentasiloxane, and octamethylcyclotetrasiloxane, but are not limited to these. Furthermore, examples of volatile linear organosilicon oils include low molecular weight linear polydimethylsiloxanes (0.65cs, 1cs, 1.5cs, 2cs), methyl polytrimethylsiloxanes (TMF-1.5, etc.) as low molecular weight branched organosilicones, and low molecular weight alkyl-modified organosilicones, but are not limited to these.

[0082] In this invention, the non-volatile oil component can be, for example, an oil with a kinematic viscosity of 10 mPa. s or more, 15mPa s or more, 50mPa Above s, 100mPa Above s, 200mPa Above s, 300mPa Above s, 400mPa Above s, 500mPa s or above or 1000mPa Oils with a viscosity of s or higher, and also those with a kinematic viscosity of 50,000 mPa. Below s, 40,000 mPa Below s, 30,000 mPa Below s, 20,000 mPa Below s, 10,000 mPa Below s, 5000mPa Below s, 1000mPa Below s or 500mPa Oil content below s. Additionally, kinematic viscosity can be determined according to JIS K2283.

[0083] In this invention, the term "non-volatile oil" is not particularly limited and can include, for example, non-volatile hydrocarbon oil, non-volatile silicone oil, polar oil, solid oil, and semi-solid oil.

[0084] In this invention, examples of non-volatile hydrocarbon oils include, but are not limited to, hydrogenated polydecene, squalane, hydrogenated polybutene, mineral oil, and mixtures of two or more thereof.

[0085] In this invention, examples of non-volatile silicone oils include, but are not limited to, non-volatile polydimethylsiloxane, octyl polymethylsiloxane, or diphenylsiloxyphenyl polytrimethylsiloxane.

[0086] In this invention, "polar oil" refers to highly polar oils, excluding silicone oils, that can be used in cosmetics. For example, it refers to substances with an IOB value of 0.10 or higher, 0.11 or higher, 0.12 or higher, or 0.13 or higher. Furthermore, the IOB value of the polar oils involved in this invention can be 0.50 or lower, 0.45 or lower, or 0.40 or lower. Additionally, the IOB value is an abbreviation for Inorganic / Organic Balance, a value representing the ratio of inorganic to organic properties, serving as an indicator of the degree of polarity of an organic compound. Specifically, the IOB value is expressed as IOB value = inorganic value / organic value. Regarding the "inorganic value" and "organic value" respectively, for example, the "organic value" is set to 20 for one carbon atom in the molecule and the "inorganic value" is set to 100 for one hydroxyl group. The "inorganic value" and "organic value" corresponding to various atoms or functional groups are accumulated. The "inorganic value" and "organic value" of all atoms and functional groups in the organic compound are accumulated, and the IOB value of the organic compound can be calculated (see, for example, Yoshio Koda, "Organic Concept Map - Basics and Applications -", ​​pp. 11-17, Sankyo Publishing, 1984).

[0087] In this invention, specific examples of ester oils that can be used as polar oils include isodecyl neopentanoate, tripropylene glycol dipentanoate, isononyl isononanoate, isopropyl myristate, cetyl octanoate, octyl-dodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyl decyl dimethyl octanoate, cetyl lactate, myristyl lactate, and acetylated... Lanolin, isocetyl stearate, isocetyl isostearate, cholesterol 12-hydroxystearate, cetyl ethylhexanoate, ethylene glycol di-2-ethylhexanoate, dipentaerythritol fatty acid ester, N-alkyl monoisostearate, neopentyl glycol didecanoate, diisostearate malate, glyceryl di-2-heptyl undecanoate, trimethylolpropane tri-2-ethylhexanoate, trimethylolpropane triisostearate, pentaerythritol tetra-2-ethylhexanoate, triglycerides tri(ethylhexanoate) ester (tri-2-ethylhexanoate), tricaprylic acid glyceride, triisopalmitoate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, trimyristic acid glyceride, tri-2-heptyl undecanoate, castor oil fatty acid methyl ester, oleyl alcohol oleate, acetylglycine, 2-heptyl undecanoate palmitate Esters, diisobutyl adipate, N-lauroyl-L-glutamic acid-2-octyldodecyl ester, di-2-heptylundecyl adipate, ethyl laurate, di-2-ethylhexyl sebacate, 2-hexyldecyl myristate, 2-hexyldecyl palmitate, 2-hexyldecyl adipate, diisopropyl sebacate, 2-ethylhexyl succinate, sucrose tetraisostearate, and triethyl citrate, etc., but not limited to these.

[0088] Furthermore, specific examples of UV absorbers that can be used as polar oils include, but are not limited to, benzoic acid derivatives, salicylic acid derivatives, cinnamic acid derivatives, dibenzoylmethane derivatives, β,β-diphenylacrylate derivatives, benzophenone derivatives, benzyl camphor derivatives, phenylbenzimidazole derivatives, triazine derivatives, phenylbenzotriazole derivatives, o-aminobenzoyl derivatives, imidazoline derivatives, benzylmalonate derivatives, and 4,4-diarylbutadiene derivatives. Moreover, among these, substances with larger molecular weights that are not easily absorbed subcutaneously and substances with low irritation are preferred.

[0089] In this invention, solid oil refers to a substance that is solid at room temperature and pressure and has a melting point. Examples of solid oils include, but are not limited to, solid fats and oils such as cocoa butter, coconut oil, horse fat, hardened coconut oil, palm oil, beef tallow, mutton tallow, and hardened castor oil; higher fatty acids such as myristic acid, palmitic acid, stearic acid, and behenic acid; and higher alcohols such as cetyl alcohol, stearyl alcohol, behenyl alcohol, myristic alcohol, and mixtures of cetyl alcohol and octadecyl alcohol.

[0090] Examples of semi-solid oils include, but are not limited to, petrolatum, lanolin, shea butter, partially hydrogenated coconut oil and other plant lipids, partially hydrogenated jojoba seed oil, di-diglyceride polyacryladiate-2, pentaerythritol tetra(behenic acid / benzoic acid / ethylhexanoic acid) ester, macadamia seed oil polyglycerol-6 ester behenicol ester, phytosterol / behenol dimer linoleate, and dipentaerythritol hexahydroxystearate.

[0091] <Other Ingredients>

[0092] In addition to the above-described components, the compositions of the present invention may further comprise other ingredients. These other ingredients may be appropriately selected based on the purpose / use of the compositions of the present invention. Hereinafter, other ingredients that may be included in the compositions of the present invention are exemplified, but the compositions of the present invention are not limited to these other ingredients.

[0093] (water)

[0094] The compositions of the present invention may further contain water. In particular, when the compositions of the present invention are water-in-oil emulsion cosmetic compositions, water constitutes the internal phase.

[0095] As water, there are no particular restrictions; it can be, for example, water used in cosmetics and pharmaceuticals. Examples of water types that can be used include ion-exchanged water, distilled water, ultrapure water, and tap water.

[0096] In the compositions of the present invention, the water content is not particularly limited and can be appropriately adjusted according to the purpose / use. For example, relative to the total composition, the water content can be 0.1% by mass or more, 0.5% by mass or more, 1.0% by mass or more, 5.0% 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; alternatively, it can be less than 30% by mass, less than 25% by mass, less than 20% by mass, less than 15% by mass, less than 10% by mass, or less than 5.0% by mass.

[0097] <Thickener>

[0098] The compositions of the present invention may further include a thickener.

[0099] As a thickener, there are no particular limitations, but examples include dextrin fatty acid esters, organically modified clay minerals, plant-based polymers, microbial polymers, natural water-soluble polymers, semi-synthetic water-soluble polymers, and synthetic water-soluble polymers.

[0100] As dextrin fatty acid esters, they can be, for example, ester compounds of fatty acids with 8 to 24 carbon atoms and dextrin with an average degree of polymerization of 10 to 50. More specifically, examples of dextrin fatty acid esters include, but are not limited to, dextrin palmitate, dextrin stearate, dextrin palmitate stearate, dextrin isostearate, and dextrin (palmitic acid / 2-ethylhexanoic acid) esters.

[0101] Organically modified clay minerals are obtained by treating natural or synthetic montmorillonite groups (such as montmorillonite, saponite, and hydropyrite, for commercially available products, begam, quinipia, and rapony) and synthetic mica known by names such as sodium silicomica, sodium banded mica, or lithium banded mica with quaternary ammonium salt-type cationic surfactants. More specifically, examples of organically modified clay minerals include, but are not limited to, distearate dimethylammonium lithium montmorillonite, dimethylalkylammonium lithium montmorillonite, and distearate dimethylammonium chloride-treated magnesium aluminum silicate.

[0102] Examples of plant-based polymers include gum arabic, tragacanth gum, galactomannan, guar gum, carob gum, erythrina gum, carrageenan, pectin, agar, starch, and glycyrrhizic acid, but these are not the only ones that can be listed.

[0103] Examples of microbial macromolecules include xanthan gum, dextran, succinyl dextran, and budding stalk polysaccharide, but these are not the only ones that can be mentioned.

[0104] Examples of natural water-soluble polymers include collagen, casein, albumin, and gelatin, but are not limited to these.

[0105] Examples of semi-synthetic water-soluble polymers include, but are not limited to, starch-based polymers, cellulose-based polymers, and alginate-based polymers.

[0106] Examples of synthetic water-soluble polymers include, but are not limited to, vinyl polymers, polyoxyethylene polymers, polyoxyethylene-polyoxypropylene copolymers, acrylic polymers, polyethyleneimine, and cationic polymers.

[0107] In the composition of the present invention, the content of the thickener is not particularly limited. For example, it may be 0.05% by mass or more, 0.1% by mass or more, 0.5% by mass or more, 1.0% by mass or more, 5.0% by mass or more, 10% by mass or more, or 15% by mass or more, relative to the whole composition. In addition, it may be 30% by mass or less, 25% by mass or less, 20% by mass or less, or 15% by mass or less.

[0108] <surfactants>

[0109] The compositions of the present invention may further comprise surfactants.

[0110] As a surfactant, there are no particular limitations, and appropriate types such as cationic surfactants, anionic surfactants, nonionic surfactants, and amphoteric surfactants can be used.

[0111] Surfactants can act as emulsifiers and gelling agents, improving the stability of water-in-oil emulsions. For example, PEG-10 polydimethylsiloxane can be cited as an emulsifying surfactant. Furthermore, polyoxyethylene (POE) cured castor oil can be cited as an example of a surfactant.

[0112] More specifically, examples of polyoxyethylene (POE) cured castor oil include, but are not limited to, PEG-5 hydrogenated castor oil triisostearate, PEG-10 hydrogenated castor oil triisostearate, PEG-20 hydrogenated castor oil triisostearate, PEG-30 hydrogenated castor oil triisostearate, PEG-40 hydrogenated castor oil triisostearate, and PEG-60 hydrogenated castor oil triisostearate.

[0113] In the composition of the present invention, the content of surfactant is not particularly limited. For example, it may be 0.05% by mass or more, 0.1% by mass or more, 0.5% by mass or more, 1.0% by mass or more, 2.0% by mass or more, 3.0% by mass or more, or 4.0% by mass or more, relative to the whole composition. In addition, it may be 15% by mass or less, 10% by mass or more, or 5.0% by mass or more.

[0114] <Moisturizer>

[0115] The compositions of the present invention may further include a humectant.

[0116] As a moisturizer, it is a substance commonly used in cosmetics and the like, without particular limitation. Examples of moisturizers include, for example, sucrose, sorbitol, glycerin, 1,3-butanediol, propylene glycol, dipropylene glycol, etc., but it is not limited to these.

[0117] In the composition of the present invention, the content of the humectant is not particularly limited. For example, it may be 0.05% or more by mass, 0.1% or more by mass, 0.5% or more by mass, or 1.0% or more by mass relative to the whole composition. In addition, it may be 15% or less by mass, 10% or less by mass, 5.0% or less by mass, 4.5% or less by mass, 4.0% or less by mass, 3.5% or less by mass, 3.0% or less by mass, 2.5% or less by mass, 2.0% or less by mass, 1.5% or less by mass, or 1.0% or less by mass.

[0118] <Other arbitrary ingredients>

[0119] In addition to the above, without impairing the effects of the present invention, any other ingredients commonly used in cosmetics may be appropriately mixed in as needed, such as waxes, waxes, preservatives, other thickeners, metal ion chelating agents, powder ingredients, pH adjusters, ultraviolet absorbers, skin nutrients, vitamins, antioxidants, antioxidant auxiliaries, fragrances, etc.

[0120] In addition, the compositions of the present invention can be manufactured based on conventional methods.

[0121] <Dosage Form>

[0122] Examples of dosage forms for the compositions of the present invention include, but are not limited to, solid, semi-solid, solid paste, stick, emulsion, liquid, gel, fruit syrup, cream, ointment or paste.

[0123] <use>

[0124] The compositions of the present invention can be used as cosmetics or as raw materials for cosmetics. Furthermore, cosmetics made from or containing the compositions of the present invention are suitable for use in, for example, color cosmetics. Here, "color cosmetic" is not particularly limited, and examples include, but are not limited to, eyelash cosmetics (e.g., mascara, mascara primer, eyelash top coat, etc.), eyebrow cosmetics (e.g., eyebrow pencil, eyebrow mascara, etc.), foundation, and blush.

[0125] Therefore, according to one embodiment of the present invention, a cosmetic material for eyelashes or eyebrows comprising the composition of the present invention can be provided.

[0126] Example

[0127] The following examples illustrate the invention in further detail, but the invention is not limited thereto. Furthermore, unless otherwise specified, the mixing amounts in the tables are expressed as mass percent.

[0128] Examples 1-8 and Comparative Examples 1-4

[0129] Based on the formulations in Table 1, oil-based cosmetic compositions of Examples 1-8 and Comparative Examples 1-4 were prepared. The oil resistance and pigment particle dispersibility of each prepared composition were evaluated according to the following criteria, and the results are shown in Table 1.

[0130] <Oil Resistance Evaluation>

[0131] The compositions obtained in the Examples and Comparative Examples were evaluated using the following knocking test. The evaluation criteria are as follows: "Tapping test" The sample was at 4 mg / cm 2 Apply to white artificial leather (4cm) 2 The artificial leather was bent with the coated side facing inwards and left at room temperature for 60 minutes. Then, the coated side was mounted on a tapping tester, and the filter paper soaked in olive fruit oil was tapped 30 times (N=3). The degree of adhesion of the sample to the tapped filter paper was visually assessed to determine the absence of secondary adhesion.

[0132] Evaluation Criteria

[0133] A: Attachment is almost impossible to confirm. B: Although adhesion has been slightly confirmed, it is not at a level that can be adequately satisfied. C: The attachment level was confirmed to be unacceptable.

[0134] Evaluation of Pigment Particle Dispersibility

[0135] The dispersibility of iron oxide black was evaluated using the iron oxide black and hydrogenated polyisobutylene described in the Examples and Comparative Examples, according to the following method. The evaluation criteria are as follows: Pigment Dispersion Evaluation Test The dispersion obtained by mixing 300 g of hydrogenated polyisobutylene and 50 g of surface-treated or untreated iron oxide black using a homogenizer at room temperature (5000 rpm for 5 minutes) was evaluated visually.

[0136] A: A uniform dispersion without agglomerates was obtained. B: A dispersion containing small agglomerates was obtained. C: A dispersion containing large agglomerates was obtained.

[0137]

[0138] As clearly shown in Table 1, the compositions of Examples 1-8 all exhibit good dispersibility of pigment particles and excellent oil resistance. In particular, the compositions of Examples 3 and 5-8 demonstrate the best dispersibility and oil resistance.

[0139] In contrast, the compositions of Comparative Examples 1 and 4, while exhibiting good pigment particle dispersibility, showed poor oil resistance.

[0140] Furthermore, it is known that although the compositions of Comparative Examples 2 and 3 showed good oil resistance, the dispersibility of the pigment particles was poor.

[0141] Examples 9-12 and Comparative Example 5

[0142] Based on the formulations in Table 2, the oil-based cosmetic compositions of Examples 9-12 and Comparative Example 5 were evaluated for oil resistance and pigment particle dispersibility in the same manner as described above. The evaluation results are shown in Table 2.

[0143]

[0144] As can be clearly seen from the results in Table 2, the compositions of Examples 9 to 12 all have good pigment particle dispersibility and excellent oil resistance.

[0145] In contrast, although the composition of Comparative Example 5 has good pigment particle dispersibility, it has poor oil resistance.

Claims

1. A composition, which is an oil-based cosmetic composition or a water-in-oil emulsion cosmetic composition, wherein the composition comprises, as an oil phase component, an oil-based cosmetic composition. (A) Pigment particles that have undergone surface treatment with a surface treatment agent, (B) Organosilicon film-forming agents, and (C) Oil content, The oil component comprises at least one of volatile oil components and non-volatile oil components. The surface treatment agent comprises at least one selected from amino acid-based treatment agents, amino acid / ester composite treatment agents, and metal soap treatment agents, and When the oil contains the non-volatile oil, the content ratio of the silicone film-forming agent to the non-volatile oil, i.e., the mass of the silicone film-forming agent / the mass of the non-volatile oil, is 0.6 or more.

2. The composition according to claim 1, wherein the organosilicon film-forming agent comprises trimethylsiloxysilicate.

3. The composition according to claim 1 or 2, wherein the oil component comprises the volatile oil component, and The content of volatile oil in the oil is 80% by mass or more.

4. The composition according to any one of claims 1 to 3, wherein the content of the organosilicon film-forming agent is 1.0 to 20% by mass.

5. The composition according to any one of claims 1 to 4, wherein the content of the non-volatile oil is 8.0% by mass or less.

6. A cosmetic for eyelashes or eyebrows comprising the composition according to any one of claims 1 to 5.

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