COSMETIC COMPOSITION WITH COATED PIGMENT, FILM-FORMING AGENT AND POLYOL
A cosmetic composition with hydrophilic coated pigments, low-Tg film-forming polymers, and polyols enhances stability and longevity of eye makeup, providing resistance to environmental factors and additional skin care benefits.
Patent Information
- Application Number
- FR2023000761
- Authority / Receiving Office
- FR · FR
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2023-01-27
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2043-01-27
AI Technical Summary
Existing cosmetic compositions for eye makeup lack long-lasting effects and stability, leading to poor wear resistance and visibility, especially under conditions such as sweat or rain, and do not provide adequate moisturization or additional skin care benefits.
A cosmetic composition comprising hydrophilic coated pigments, film-forming polymers with a glass transition temperature of -30°C or less, polyols, and water, which includes optional skin care active ingredients, to create a stable and long-lasting makeup effect.
The composition provides long-lasting, resistant, and moisturizing makeup effects with improved visibility and precision, while also offering additional skin care benefits like anti-wrinkle and whitening effects.
Abstract
Description
Title of the invention: COSMETIC COMPOSITION WITH COATED, FILM-FORMING PIGMENT AND POLYOL Technical field
[0001] The present invention relates to a composition, preferably a cosmetic composition, and more preferably a cosmetic composition for eye makeup, as well as a method relating to the composition. CONTEXT OF THE INVENTION
[0002] There are cosmetic compositions for making up a keratinous substance such as the skin and the surface of a mucous membrane, in particular eye makeup products such as eyebrow makeup cosmetics. To enhance the effects of these eye makeup products, a base may also be applied to the eyebrows and the like before applying the eye makeup products. JP-A-2003-81740 discloses, for example, such a base which includes an acrylic polymer. DISCLOSURE OF THE INVENTION
[0003] In general, these cosmetic compositions are required to camouflage, for example, the original skin color for makeup purposes, and it is preferable that this camouflage can last for a long time.
[0004] On the other hand, there is a need for an improved composition which can not only provide excellent cosmetic effects such as long-lasting eye makeup effects, but also excellent stability which is preferable, for example, for possible long-term storage.
[0005] An objective of the present invention is to provide a stable composition which can provide excellent cosmetic effects such as long-lasting makeup effects.
[0006] The above objective of the present invention can be achieved by a composition, preferably a cosmetic composition, and more preferably, a cosmetic composition for eye makeup, comprising: a. at least one hydrophilic coated pigment; b. at least one film-forming polymer having a glass transition temperature of -30°C or less; c. at least one polyol; and d. water.
[0007] The hydrophilic coated pigment (a) may be selected from inorganic particles, preferably metal oxide particles, and more preferably titanium oxide particles and / or iron oxide particles, coated with alginate or silica.
[0008] The amount of the hydrophilic coated pigment (a) in the composition according to the present invention may range from 0.001% to 15% by weight, preferably from 0.01% to 10% by weight and more preferably from 0.1% to 5% by weight, relative to the total weight of the composition.
[0009] The film-forming polymer (b) having a glass transition temperature of -30°C or less may be in the form of a latex.
[0010] The film-forming polymer (b) having a glass transition temperature of -30°C or less may be selected from copolymers of C6-C22 alkyl (meth)acrylate, preferably C6-C18 alkyl (meth)acrylate and more preferably C6-C14 alkyl (meth)acrylate and at least one selected from the group consisting of (meth)acrylic acid, C1-C4 alkyl (meth)acrylate and mixtures thereof.
[0011] The amount of the film-forming polymer (b) having a glass transition temperature of -30°C or less in the composition according to the present invention may range from 0.01% to 25% by weight, preferably from 0.1% to 20% by weight and, more preferably, from 1% to 15% by weight, relative to the total weight of the composition.
[0012] The polyol (c) may be selected from the group consisting of glycerin, dipropylene glycol, butylene glycol, propylene glycol, pentylene glycol, 1,3-propanediol and a mixture thereof.
[0013] The amount of polyol (c) in the composition according to the present invention may range from 1% to 25% by weight, preferably from 3% to 20% by weight, and more preferably from 5% to 15% by weight, relative to the total weight of the composition.
[0014] The amount of water (d) in the composition according to the present invention may range from 50% to 85% by weight, preferably from 55% to 80% by weight and, more preferably, from 60% to 75% by weight, relative to the total weight of the composition.
[0015] The composition according to the present invention may further comprise (e) at least one thickener.
[0016] The thickener (e) may be selected from the group consisting of an acrylamide / sodium acryloyldimethyltaurate copolymer, an ammonium acryloyldimethyltaurate / VP copolymer, a sodium acrylate / sodium acryloyldimethyltaurate copolymer, a hydroxyethyl acrylate / sodium acryloyldimethyltaurate copolymer and a mixture thereof.
[0017] The amount of thickener (e) in the composition according to the present invention may range from 0.01% to 15% by weight, preferably from 0.05% to 10% by weight and more preferably from 0.1% to 5% by weight, relative to the total weight of the composition.
[0018] The composition according to the present invention may further comprise (f) at least one active skin care ingredient.
[0019] The composition according to the present invention can be a base for eyebrow makeup cosmetics or eye shadows.
[0020] The present invention also relates to a cosmetic process for a keratinous substance, comprising the following step:
[0021] application of the composition according to the present invention to the keratinous substance. DETAILED DESCRIPTION OF THE INVENTION
[0022] After careful research, the inventors have discovered that it is possible to provide a composition which can not only provide excellent cosmetic effects such as long-lasting eye makeup effects, but also excellent stability.
[0023] Thus, the composition according to the present invention is a composition comprising: a. at least one hydrophilic coated pigment; b. at least one film-forming polymer having a glass transition temperature of -30°C or less; c. at least one polyol; and d. water.
[0024] The composition according to the present invention is stable and can provide excellent cosmetic effects such as long-lasting eye makeup effects.
[0025] The composition according to the present invention is stable for a long period. Therefore, the composition according to the present invention can be stored for a long period.
[0026] The composition according to the present invention can provide excellent cosmetic effects.
[0027] For example, the cosmetic effects provided by the composition according to the present invention may be long-lasting or may be retained for a long time. Thus, the cosmetic effects provided by the composition according to the present invention could exhibit good resistance to sebum or water. Therefore, makeup by the composition according to the present invention could last for a long time, even when exposed, for example, to sweat or rain. Thus, the composition according to the present invention could also provide keratinous substances, preferably skin and eyebrows, with good wear resistance.
[0028] In addition, a user of the composition according to the present invention can draw lines accurately. Thus, the composition according to the present invention can provide precise cosmetic effects, particularly makeup effects, at a target site on keratinous substances such as skin and eyebrows.
[0029] In addition, the makeup provided by the composition according to the present invention can exhibit good visibility. Therefore, the composition according to the present invention can provide cosmetic effects that can be easily recognized.
[0030] In addition, the composition according to the present invention can provide moisturizing effects.
[0031] Furthermore, if the composition according to the present invention comprises (f) at least one skin care active ingredient, the composition according to the present invention may also provide cosmetic effects, such as anti-wrinkle and whitening effects, derived from the skin care active ingredient (f).
[0032] The composition and method according to the present invention will be explained in more detail below.
[0033] [Composition]
[0034] (Hydrophilic coated pigment)
[0035] The composition according to the present invention includes (a) at least one hydrophilic coated pigment. If at least two hydrophilic coated pigments are used, they may be the same or different.
[0036] The term "pigments" should be understood as meaning white or colored and inorganic or organic particles which are insoluble in the physiologically acceptable volatile medium such as water and which are intended to color and / or opacify the film formed by the composition according to the present invention.
[0037] The pigments preferably have an absorption ranging from 380 to 780 nm, and in at least one embodiment, an absorption at a maximum in this absorption range.
[0038] The pigments may be organic pigments. By "organic pigment" is meant here any pigment that meets the definition of Ullmann's encyclopedia in the chapter on organic pigments. The organic pigment may be chosen, for example, from nitroso, nitro, azo, xanthene, quinoline, an-thraquinone, phthalocyanine, metal complex, isoindolinone, isoindoline, qui-nacridone, perinone, perylene, diketopyrrolopyrole, thioindigo, dioxazine, triphenylmethane and quinophthalate compounds.
[0039] The organic pigment may be chosen, for example, from carmine, carbon black, aniline black, melanin, azo yellow, quinacridone, phthalocyanine blue, sorghum red, the blue pigments codified in the color index under the references CI 42090, 69800, 69825, 73000, 74100 and 74160, the yellow pigments codified in the color index under the references CI 11680, 11710, 15985, 19140, 20040, 21100, 21108, 47000 and 47005, the green pigments codified in the color index under the references CI 61565, 61570 and 74260, the orange pigments codified in the color index under the references CI 11725, 15510, 45370, and 71105, the red pigments codified in the color index under the references CI 12085, CI 12120, 12370, 12420, 12490, 14700, 15525, 15580, 15620, 15630, 15800, 15850, 15865, 15880, 17200, 26100, 45380, 45410, 58000, 73360, 73915 and 75470, and the pigments obtained by oxidative polymerization of indole or phenolic derivatives as described, for example, in French patent no. 2,679,771.
[0040] These pigments may also be in the form of composite pigments as described, for example, in European Patent No. 1,184,426. These composite pigments may be composed, for example, of particles comprising an inorganic core at least partially covered with an organic pigment and at least one binder for fixing the organic pigments to the core.
[0041] Other examples may include pigment pastes of organic pigments such as the products sold by the company Hoechst under the names: Cosmenyl Yellow IOG: Pigment Yellow 3 (CI 11710); Cosmenyl Yellow G: Pigment Yellow 1 (CI 11680); Cosmenyl Orange GR: Pigment Orange 43 (CI 71105); Red Cosmenyl R": Pigment Red 4 (CI 12085); Carminé Cosmenyl FB: Pigment Red 5 (CI 12490); Violet Cosmenyl RL: Pigment Violet 23 (CI 51319); Blue Cosmenyl A2R: Pigment Blue 15.1 (CI 74160); Vert Cosmenyl GG: Pigment Green 7 (CI 74260); and Black Cosmenyl R: Pigment Black 7 (CI 77266).
[0042] The at least one pigment may also be chosen from lakes. By "lake" is meant here insolvent dyes adsorbed on insoluble particles, the complex or compound thus obtained remaining insoluble during use.
[0043] Inorganic substrates onto which the dyes are adsorbed may include, for example, alumina, silica, calcium sodium borosilicate, calcium aluminum borosilicate, and aluminum.
[0044] Non-limiting examples of organic colorants include cochineal carmine and products known as: D&C Red 21 (CI 45380), D&C Orange 5 (CI 45370), D&C Red 27 (CI 45410), D&C Orange 10 (CI 45425), D&C Red 3 (CI 45430), D&C Red 4 (CI 15510), D&C Red 33 (CI 17200), D&C Yellow 5 (CI 19140), D&C Yellow 6 (CI 15985), D&C Green (CI 61570), D&C Yellow 10 (CI 77002), D&C Green 3 (CI 42053) and D&C Blue 1 (CI 42 090).
[0045] Another non-limiting example of a lake is the product known as: D&C Red 7 (CI 15850:1).
[0046] The pigment may also be a special effect pigment. By "special effect pigments" is meant here pigments that generally create a non-uniform colored appearance (characterized by a certain hue, vibrancy and / or brightness) that changes depending on the viewing conditions (light, temperature, viewing angles, etc.). They thus contrast with white or colored pigments that provide a standard uniform opaque, semi-transparent or transparent shade.
[0047] There are two types of special effect pigments: those with a low refractive index, such as fluorescent, photochromic and thermochromic pigments, and those with a high refractive index, such as pearls and glitters.
[0048] The pigment may also be selected from pigments having an interference effect which are not fixed on a substrate, for example, liquid crystals (Helicones HC from Wacker) and holographic interference flakes (geometric pigments or Spectra f / x from Spectratek).
[0049] Special effect pigments may also include fluorescent pigments, whether daylight fluorescent or ultraviolet fluorescent, phosphorescent pigments, photochromic pigments, and thermochromic pigments.
[0050] The pigments may also be inorganic pigments, in a preferred embodiment. By "inorganic pigment" is meant herein any pigment that meets the definition of Ullmann's Encyclopedia in the chapter on inorganic pigments. Preferably, the inorganic pigments comprise at least one inorganic material. Non-limiting examples of inorganic pigments useful in the present invention include metal oxides, in particular, transition metal oxides, such as zirconium oxides, cerium oxides, iron oxides, zinc oxides, chromium oxides, manganese violet, ultramarine blue, chromium hydrate, ferric blue and titanium dioxide. The following inorganic pigments can also be used: Ta2O5, Ti3O5, Ti2O3, TiO and ZrO2 in admixture with TiO2, ZrO2, Nb2O5, CeO2 and ZnS.
[0051] The pigment may also be a pearlescent pigment such as a white pearlescent pigment, for example, mica coated with titanium or bismuth oxychloride, a colored pearlescent pigment such as mica coated with titanium and iron oxides, mica coated with titanium and, for example, ferric blue oxide or chromium oxide, mica coated with titanium and an organic pigment as defined above, as well as a pearlescent pigment based on bismuth oxychloride. Examples of such pigments may include Cellini pigments sold by Engelhard (Mica-TiO2-lake), Prestige pigments sold by Eckart (Mica-TiO2) and Colorona pigments sold by Merck (Mica-TiO2 Fe2O3).
[0052] In addition to pearlescent pigments on a mica support, multilayer pigments based on synthetic substrates such as alumina, silica, calcium sodium borosilicate, calcium aluminum borosilicate and aluminum, may be useful in accordance with the present disclosure.
[0053] According to the present invention, the hydrophilic coated pigment (a) has at least one coating on the pigment and is hydrophilic. The hydrophilic coated pigment (a) is not an uncoated pigment. It is preferable that the coating is hydrophilic and is the outermost layer of the hydrophilic coated pigment (a). By "hydrophilic" is meant herein that the pigments can be dispersed in water at an ambient temperature of 25°C, for example.
[0054] The material included in the coating is not limited as long as the coated pigment is hydrophilic. It is preferable that the material included in the coating is chosen from alginate such as sodium alginate, silica and a mixture thereof.
[0055] The hydrophilic coated pigment (a) may be selected from inorganic particles, preferably metal oxide particles, and more preferably titanium oxide particles and / or iron oxide particles, coated with alginate (e.g., sodium alginate) or silica. It is even more preferable that the alginate or silica coating constitutes the outermost layer of the hydrophilic coated pigment (a).
[0056] Examples of the hydrophilic coated pigment (a) include:
[0057] titanium dioxide and aluminum hydroxide treated with alginate (INCI: dioxide titanium (and) aluminum hydroxide (and) algin);
[0058] alginate-treated red iron oxide (INCI: iron oxides (and) algin);
[0059] yellow iron oxide treated with alginate (INCI: iron oxides (and) algin);
[0060] alginate-treated black iron oxide (INCI: iron oxides (and) algin);
[0061] iron oxide surface-treated with silica (INCI: iron oxides (and) silica);
[0062] titanium dioxide and aluminum hydroxide surface-treated with silica (INCI: titanium dioxide (and) silica (and) alumina);
[0063] yellow iron oxide surface-treated with silica (INCI: iron oxides (and) silica);
[0064] red iron oxide surface-treated with silica (INCI: iron oxides (and) silica); and
[0065] black iron oxide surface-treated with silica (INCI: iron oxides (and) silica).
[0066] The quantity of the hydrophilic coated pigment(s) (a) in the composition according to the present invention may be 0.001% by weight or more, preferably 0.01% by weight or more, and more preferably 0.1% by weight or more, relative to the total weight of the composition.
[0067] The amount of the hydrophilic coated pigment(s) (a) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition.
[0068] Thus, the amount of the hydrophilic coated pigment(s) (a) in the composition according to the present invention may be from 0.001% to 15% by weight, preferably from 0.01% to 10% by weight and more preferably from 0.1% to 5% by weight, relative to the total weight of the composition.
[0069] (Film-forming polymer)
[0070] The composition according to the present invention includes (b) at least one film-forming polymer having a glass transition temperature of -30°C or less. If at least two film-forming polymers (b) having a glass transition temperature of - 30°C or less are used, they can be the same or different.
[0071] For the purposes of the present invention, the term "polymer" designates a compound corresponding to the repetition of one or more units (these units being derived from compounds known as monomers). This or these units is (are) repeated at least twice and, preferably, at least three times.
[0072] By "film-forming polymer" is meant a polymer capable of forming, alone or in the presence of an auxiliary film-forming agent, a macroscopically continuous film which adheres to a support, in particular to keratinous materials, preferably a cohesive film, and better still, a film whose cohesion and mechanical properties are such that said film can be isolated and handled in isolation, for example, when said film is prepared by pouring onto a non-sticky surface, for example, a surface coated with Teflon or silicone.
[0073] The glass transition temperature (Tg) of a polymer can be measured by differential scanning calorimetry (DSC), for example, under the following conditions: To measure the glass transition temperature, an approximately 150 mm thick film of test polymer is prepared by depositing an aqueous solution or dispersion of the polymer into a 40 mm diameter circular Teflon mold and allowing the deposit to dry. The film is dried in an oven at a temperature of approximately 23 °C, under a relative humidity of 45%, until the weight no longer changes. Approximately 5 to 15 mg of the film is removed and placed in a crucible, which is then introduced into the analyzer. The thermal analyzer is a TA Instruments model DSC-2920®. The initial and final temperatures of the temperature scan are chosen to surround the desired glass transition temperature.The temperature scan is performed at a rate of 10°C / minute. This analysis is performed in accordance with ASTM D 3418-97, except as modified above.
[0074] It is preferable that the film-forming polymer (b) having a glass transition temperature of -30°C or less is present in the form of particles dispersed in an aqueous phase, especially in the form of a latex.
[0075] Among the film-forming polymers which can be used in the composition of the present invention, mention may be made of synthetic polymers, of the radical type.
[0076] The film-forming polymers of the radical type may be chosen, for example, from vinyl polymers or copolymers, such as acrylic polymers.
[0077] The film-forming vinyl polymers may result from the polymerization of monomers comprising at least one ethylenic unsaturation and at least one acid group and / or esters of these acid monomers and / or amides of these acid monomers.
[0078] Monomers comprising at least one acid group which may be used include, for example, α,[3-ethylenic] unsaturated carboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, maleic acid or itaconic acid. (Meth)acrylic acid and crotonic acid may, for example, be used. In one embodiment, (meth)acrylic acid is used.
[0079] The acid monomer esters are selected, for example, from (meth)acrylic acid esters (also known as (meth)acrylates), such as (meth)acrylates of an alkyl, for example, a C1-C30 alkyl, such as a C1-C20 alkyl, (meth)acrylates of an aryl, such as a C6-C10 aryl, and (meth)acrylates of a hydroxyalkyl, such as a C2-C6 hydroxyalkyl.
[0080] Among the alkyl (meth)acrylates, mention may be made, for example, of methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, isobutyl (meth)acrylate, ethylhexyl (meth)acrylate such as 2-ethylhexyl (meth)acrylate, lauryl (meth)acrylate and cyclohexyl (meth)acrylate. In one embodiment, ethylhexyl acrylate is used.
[0081] Among the hydroxyalkyl (meth)acrylates, mention may be made, for example, of hydroxyethyl acrylate, 2-hydroxypropyl acrylate, hydroxyethyl methacrylate and 2-hydroxypropyl methacrylate.
[0082] Among the aryl (meth)acrylates, mention may be made, for example, of benzyl acrylate and phenyl acrylate.
[0083] The (meth)acrylic acid esters which can be used are, for example, Alkyl (meth)acrylates.
[0084] As disclosed herein, the alkyl group of the esters may be fluorinated or perfluorinated, i.e., some or all of the hydrogen atoms of the alkyl group are substituted with fluorine atoms.
[0085] Examples of amides of the acid monomers that may be cited include (meth)acrylamides, such as N-alkyl(meth)acrylamides, for example, of C2-C12 alkyl. Examples of N-alkyl(meth)acrylamides include, for example, N-ethylacrylamide, Nt-butylacrylamide, Nt-octylacrylamide, and N-undecylacrylamide.
[0086] The vinyl film-forming polymers may also result from the homopolymerization or copolymerization of monomers selected from vinyl esters and styrene monomers. For example, these monomers may be polymerized with acid monomers and / or esters thereof and / or amides thereof, such as those cited above.
[0087] Examples of vinyl esters that may be cited include vinyl acetate, vinyl neodecanoate, vinyl pivalate, vinyl benzoate and vinyl t-butylbenzoate. Styrene monomers that may be cited include styrene and α-methylstyrene.
[0088] The film-forming polymer (b) has a Tg (glass transition temperature) value of - 30°C or less, preferably -40°C or less and more preferably -50°C or less.
[0089] Examples of the film-forming polymer (b) having a glass transition temperature of -30°C or lower include acrylates / ethylhexylacrylates, for example, "Daitosol 5500GX" sold by Daito Kasey Kogyo Company, which includes acrylates / ethylhexylacrylates having a Tg of -67°C.
[0090] The film-forming polymer (b) having a glass transition temperature of -30°C or lower may be selected from C6-C22 alkyl (meth)acrylate copolymers, preferably C6-C18 alkyl (meth)acrylate and more preferably C6-C14 alkyl (meth)acrylate and at least one selected from the group consisting of (meth)acrylic acid, C1-C4 alkyl (meth)acrylate and mixtures thereof. It may be even more preferable that the film-forming polymer (b) having a glass transition temperature of -30°C or lower is selected from C6-C14 alkyl acrylate copolymers such as 2-ethylhexylacrylate, and at least one selected from the group consisting of (meth)acrylic acid, C1-C4 alkyl (meth)acrylate and mixtures thereof.
[0091] The amount of the film-forming polymer(s) having a glass transition temperature of -30°C or less in the composition according to the present invention may be 0.01% by weight or more, preferably 0.1% by weight or more and more preferably 1% by weight or more, relative to the total weight of the composition.
[0092] The amount of the film-forming polymer(s) having a glass transition temperature of -30°C or less in the composition according to the present invention may be 25% by weight or less, preferably 20% by weight or less and more preferably 15% by weight or less, relative to the total weight of the composition.
[0093] Thus, the amount of the film-forming polymer(s) having a glass transition temperature of -30°C or less in the composition according to the present invention may be from 0.01% to 25% by weight, preferably from 0.1% to 20% by weight and more preferably from 1% to 15% by weight, relative to the total weight of the composition.
[0094] (Polyol)
[0095] The composition according to the present invention includes (c) at least one polyol. If at least two polyols (c) are used, they may be the same or different.
[0096] The term "polyol" herein refers to an alcohol having two or more hydroxy groups and does not include a saccharide or a derivative thereof. The derivative of a saccharide includes a sugar alcohol which is obtained by reducing one or more carbonyl groups of a saccharide, as well as a saccharide or a sugar alcohol in which the hydrogen atom or atoms in one or more hydroxy groups thereof has been replaced by at least one substituent such as an alkyl group, a hydroxyalkyl group, an alkoxy group, an acyl group or a carbonyl group.
[0097] The polyols (c) are preferably in the form of a liquid at room temperature such as 25°C under atmospheric pressure (760 mmHg or 105 Pa).
[0098] The polyol (c) may be a C2-24 polyol, preferably a C2-9 polyol, comprising at least 2 hydroxy groups, and preferably 2 to 5 hydroxy groups.
[0099] The polyol (c) may be a natural or synthetic polyol. The polyol may have a linear, branched or cyclic molecular structure.
[0100] The polyol (c) may be selected from glycerins and derivatives thereof, as well as glycols and derivatives thereof. The polyol may be selected from the group consisting of glycerin, diglycerin, polyglycerin, ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, butylene glycol, pentylene glycol, hexylene glycol, C6-C24 polyethylene glycol, 1,3-propanediol, 1,4-butanediol, and 1,5-pentanediol.
[0101] It is preferable that the polyol (c) is selected from the group consisting of glycerin, dipropylene glycol, butylene glycol, propylene glycol, pentylene glycol, 1,3-propanediol and a mixture thereof.
[0102] The amount of the polyol(s) (c) in the composition according to the present invention may be 1% by weight or more, preferably 3% by weight or more, and more preferably 5% by weight or more, relative to the total weight of the composition.
[0103] The amount of the polyol(s) (c) in the composition according to the present invention may be 25% by weight or less, preferably 20% by weight or less, and more preferably 15% by weight or less, relative to the total weight of the composition.
[0104] The amount of the polyol(s) (c) in the composition according to the present invention may be from 1% to 25% by weight, preferably from 3% to 20% by weight and more preferably from 5% to 15% by weight, relative to the total weight of the composition.
[0105] (Water)
[0106] The composition according to the present invention comprises (d) water.
[0107] The amount of water (d) in the composition according to the present invention may be 50% by weight or more, preferably 55% by weight or more, and more preferably 60% by weight or more, relative to the total weight of the composition.
[0108] The amount of water (d) in the composition according to the present invention may be 85% by weight or less, preferably 80% by weight or less, and more preferably 75% by weight or less, relative to the total weight of the composition.
[0109] The amount of water (d) in the composition according to the present invention may be from 50% to 85% by weight, preferably from 55% to 80% by weight and more preferably from 60% to 75% by weight, relative to the total weight of the composition.
[0110] (Thickener)
[0111] The composition according to the present invention may include (e) at least one thickener. If at least two thickeners are used, they may be the same or different.
[0112] The thickener (e) can thicken the composition according to the present invention. It is preferable that the thickener (e) is a hydrophilic thickener.
[0113] The thickener (e) may be a water-soluble or water-dispersible, crosslinked or non-crosslinked polymer comprising, at least, one acrylamido-2-methylpropanesulfonic acid (AMPS) monomer, in a form partially or totally neutralized by sodium hydroxide. The polymer is hereinafter referred to as an AMPS polymer. If at least two AMPS polymers are used, they may be the same or different.
[0114] The AMPS polymer may preferably be totally neutralized or almost totally neutralized, i.e. at least 90% neutralized.
[0115] AMPS polymers may be crosslinked or non-crosslinked.
[0116] When the AMPS polymers are crosslinked, the crosslinking agents can be chosen from polyolefinically unsaturated compounds commonly used for crosslinking polymers obtained by radical polymerization.
[0117] As crosslinking agents, mention may be made of divinylbenzene, diallyl ether, dipropylene glycol diallyl ether, polyglycol diallyl ethers, triethylene glycol divinyl ether, hydroquinone diallyl ether, ethylene glycol or tetraethylene glycol di(meth)acrylate, trimethylolpropane triacrylate, methylenebisacrylamide, methylenebismethacrylamide, triallylamine, triallyl cyanurate, diallyl maleate, tetraallylethylenediamine, tetraallyloxyethane, trimethylolpropane diallyl ether, allyl (meth)acrylate, allyl ethers of sugar series alcohols, or other allyl or vinyl ethers of polyfunctional alcohols, as well as allyl esters of phosphoric and / or vinylphosphonic acid derivatives, or mixtures of these compounds.
[0118] According to one embodiment of the present invention, the crosslinking agent is chosen from methylenebis-acrylamide, allyl methacrylate or trimethylolpropane triacrylate (TMPTA). The degree of crosslinking generally ranges from 0.01 mol% to 10 mol%, and more particularly, from 0.2 mol% to 2 mol%, relative to the polymer.
[0119] The AMPS polymers according to the present invention are water-soluble or water-dispersible. In this case, they are:
[0120] either
[0121] “homopolymers” polymerized from AMPS monomers only and, if crosslinked, one or more crosslinking agents such as those defined above;
[0122] either
[0123] “copolymers” polymerized from AMPS and one or more hydrophilic or hydrophobic ethylenically unsaturated monomers and, if crosslinked, one or several crosslinking agents as defined above.
[0124] When said copolymers are polymerized from ethylenically unsaturated hydrophobic monomers, these monomers do not comprise a fatty chain and are preferably present in small amounts. For the purposes of the present invention, the term "fatty chain" means any hydrocarbon chain containing at least 7 carbon atoms.
[0125] Thus, the AMPS polymer can be selected from the group consisting of:
[0126] (i) crosslinked or non-crosslinked AMPS homopolymers;
[0127] (ii) crosslinked or non-crosslinked copolymers obtained from AMPS and one or more ethylenically unsaturated hydrophilic monomers or ethylenically unsaturated hydrophobic monomers not containing a fatty chain; and
[0128] (iii) mixtures thereof.
[0129] By "water-soluble or water-dispersible" is meant polymers which, when introduced into an aqueous phase at 25°C, at a mass concentration equal to 1%, make it possible to obtain a macroscopically homogeneous and transparent solution, i.e. a solution having a maximum light transmittance value, at a wavelength equal to 500 nm, through a sample 1 cm thick, of at least 60% and preferably at least 70%.
[0130] The “homopolymers” according to the present invention are preferably crosslinked and neutralized, and they can be prepared according to the preparation method comprising the following steps:
[0131] (a) the monomer such as AMPS in free form is dispersed or dissolved in a solution of tert-butanol or water and tert-butanol;
[0132] (b) the monomer solution or dispersion obtained in (a) is neutralized with one or several mineral or organic bases, preferably ammonia NH3, in an amount making it possible to obtain a degree of neutralization of the sulfonic acid functions of the polymer ranging from 90% to 100%;
[0133] (c) the crosslinking monomer(s) is (are) added to the solution or to the dispersion obtained in (b); and
[0134] (d) a standard radical polymerization is carried out in the presence of initiators of free radicals at a temperature ranging from 10 to 150 °C; the polymer precipitates in the solution or dispersion based on tert-butanol.
[0135] The water-soluble or water-dispersible AMPS copolymers according to the present invention may be polymerized from water-soluble ethylenically unsaturated monomers, hydrophobic monomers or mixtures thereof.
[0136] Water-soluble comonomers may be ionic or non-ionic.
[0137] Among the ionic water-soluble comonomers, mention may be made, for example, of: following compounds and salts thereof:
[0138] (meth)acrylic acid,
[0139] styrene sulfonic acid,
[0140] vinylsulfonic acid and (meth)allylsulfonic acid,
[0141] vinylphosphonic acid,
[0142] maleic acid,
[0143] itaconic acid,
[0144] crotonic acid,
[0145] the water-soluble vinyl monomers of formula (A) below:
[0146] in which:
[0147] R! is H, -CH3, -C2H5 or -C3H7;
[0148] Xi is chosen from:
[0149] alkyl ethers of type- OR2 in which R2 is a linear or branched, saturated or unsaturated hydrocarbon radical, containing from 1 to 6 carbon atoms, substituted by at least one sulfonic group (-SO3-) and / or sulfate (-SO4-) and / or phosphate (-PO4H2-).
[0150] Among the non-ionic water-soluble comonomers, mention may be made, for example:
[0151] (meth)acrylamide,
[0152] N-vinylacetamide and N-methyl-N-vinylacetamide,
[0153] N-vinylformamide and N-methyl-N-vinylformamide,
[0154] maleic anhydride,
[0155] vinylamine,
[0156] N-vinyllactams comprising a cyclic alkyl group containing from 4 to 9 carbon atoms, such as n-vinylpyrrolidone, N-butyrolactam and N-vinylcaprolactam,
[0157] vinyl alcohol of formula CH2=CHOH,
[0158] the water-soluble vinyl monomers of formula (B) below:
[0159] in which:
[0160] R15 is H, -CH3, -C2H5 or -C3H7;
[0161] X2 is chosen from:
[0162] alkyl ethers of type -ORi6 where R[6 is a linear or branched, saturated or unsaturated hydrocarbon radical containing from 1 to 6 carbons, optionally substituted by a halogen atom (iodine, bromine, chlorine or fluorine); a hydroxyl group (-OH); an ether.
[0163] Examples include glycidyl (meth)acrylate, hydroxyethyl methacrylate and ethylene glycol, diethylene glycol or polyalkylene glycol (meth)acrylates.
[0164] Among the hydrophobic comonomers free of fatty chain, we can cite for example:
[0165] styrene and its derivatives, such as 4-butylstyrene, -methylstyrene and vinyltoluene,
[0166] vinyl acetate of formula CH2=CH-OCOCH3;
[0167] vinyl ethers of formula CH2=CHOR in which R is a linear or branched, saturated or unsaturated hydrocarbon radical containing from 1 to 6 carbons;
[0168] acrylonitrile,
[0169] caprolactone,
[0170] vinyl chloride and vinylidene chloride,
[0171] silicone derivatives, which provide silicone polymers after polymerization, such as methacryloxypropyltris(trimethylsiloxy)silane and silicone methacrylamides,
[0172] the hydrophobic vinyl monomers of formula (C) below:
[0173] in which:
[0174] R23 is H, -CH3, -C2H5 or -C3H7;
[0175] X3 is chosen from:
[0176] alkyl ethers of type -OR24 in which R24 is a linear or branched, saturated or unsaturated hydrocarbon radical containing from 1 to 6 carbon atoms.
[0177] Examples include methyl methacrylate, ethyl methacrylate, n-butyl (meth)acrylate, tert-butyl (meth)acrylate, cyclohexyl acrylate, isobutyl acrylate, and 2-ethylhexyl acrylate.
[0178] The water-soluble or water-dispersible AMPS polymers of the present invention preferably have a molar mass ranging from 50,000 g / mol to 10,000,000 g / mol, preferably from 80,000 g / mol to 8,000,000 g / mol and even more preferably from 100,000 g / mol to 7,000,000 g / mol.
[0179] Examples of water-soluble or water-dispersible AMPS homopolymers according to the present invention include crosslinked or non-crosslinked polymers of sodium acrylamido-2-methylpropanesulfonate, such as the polymer in the commercial product Simulgel 800 (INCI name: Sodium Polyacryloyldimethyltaurate).
[0180] Examples of water-soluble or water-dispersible AMPS copolymers according to the present invention include:
[0181] crosslinked acrylamide / sodium acrylamido-2-methylpropanesulfonate copolymers, such as the copolymer in the commercial product Sepigel® 305 (INCI name: Polyacrylamide / Ci3-Ci4 Isoparaffin / Laureth-7) or the copolymer in the commercial product sold under the brand name Simulgel 600 (INCI name: Acrylamide / Sodium Acryloyldimethyltaurate / Isohexadecane / P-olysorbate-80) by SEPPIC;
[0182] copolymers of AMPS and vinylpyrrolidone or vinylformamide, such as the copolymer in the commercial product sold under the name Aristoflex AVC by Clariant (INCI name: Ammonium acryloyldimethyltaurate / VP Copolymer) but neutralized with sodium hydroxide or potassium hydroxide;
[0183] copolymers of AMPS and sodium acrylate such as, for example, the AMPS / sodium acrylate copolymer such as the copolymer in the commercial product sold under the name Simulgel EG by SEPPIC (INCI name: Sodium Acrylate / Sodium Acryloyldimethyltaurate Copolymer (and) Isohexadecane (and) Polysorbate-80); and
[0184] copolymers of AMPS and hydroxyethyl acrylate, for example the AMPS / hydroxyethyl acrylate copolymer such as the copolymer in the commercial product sold under the name Simulgel NS by SEPPIC (INCI name: Hydroxyethyl acrylate / Sodium Acryloyldimethyltaurate copolymer (and) Squalane (and) Polysorbate-60).
[0185] Thus, it may be preferable that the AMPS polymer is selected from the group consisting of:
[0186] a copolymer of acrylamide / sodium acrylamido-2-methylpropanesulfonate (acrylamide / sodium acryloyldimethyltaurate);
[0187] a copolymer of AMPS and vinylpyrrolidone or vinylformamide (e.g., ammonium acryloyldimethyltaurate / VP copolymer);
[0188] a copolymer of AMPS and sodium acrylate (sodium acrylate / sodium acryloyldimethyltaurate copolymer);
[0189] a copolymer of AMPS and hydroxyethyl acrylate (hydroxyethyl acrylate / sodium acryloyldimethyltaurate copolymer); and
[0190] and a mixture thereof.
[0191] It may be preferable that the AMPS polymer is an acrylamide / sodium acryloyldimethyltaurate copolymer.
[0192] The amount of the thickener or thickeners (e) in the composition according to the present invention may be 0.01% by weight or more, preferably 0.05% by weight or more and more preferably 0.1% by weight or more, relative to the total weight of the composition.
[0193] The amount of the thickener or thickeners (e) in the composition according to the present invention may be 15% by weight or less, preferably 10% by weight or less and more preferably 5% by weight or less, relative to the total weight of the composition.
[0194] The amount of the thickener or thickeners (d) in the composition according to the present invention may be from 0.01% to 15% by weight, preferably from 0.05% to 10% by weight and more preferably from 0.1% to 5% by weight, relative to the total weight of the composition.
[0195] (Active ingredient in skin care)
[0196] The composition according to the present invention may include (f) at least one skin care active ingredient. If at least two skin care active ingredients (f) are used, they may be the same or different.
[0197] It is preferable that the skin care active ingredient (f) is a cosmetic skin care active ingredient and more preferably, a skin whitening ingredient or a skin anti-aging ingredient such as an anti-wrinkle ingredient.
[0198] As an active ingredient in skin care (f), vitamin B3 and its derivatives may be mentioned.
[0199] Vitamin B3, also called vitamin PP, is a compound of the following formula (I): ,-¾ (D I 1 J......R
[0200] wherein R may be -CONH2 (niacinamide), -COOH (nicotinic acid or niacin), or CH2OH (nicotinic alcohol), -CO-NH-CH2-COOH (nicotinuric acid), or -CO-NH-OH (niconityl hydroxamic acid). Niacinamide is preferred.
[0201] Among the derivatives of vitamin B3, mention may be made, for example, of esters of nicotinic acid such as tocopherol nicotinate, amides derived from niacinamide by substitution of the hydrogen groups of -CONH2, products of the reaction with carboxylic acids and amino acids, esters of nicotinyl alcohol and carboxylic acids such as acetic acid, salicyclic acid, glycolic acid or palmitic acid.
[0202] The following derivatives may also be mentioned: 2-chloronicotinamide, 6-methylnicotinamide, 6-aminonicotinamide, N-methylnicotinamide, N,N-dimethylnicotinamide, N-(hydroxymethyl)nicotinamide, quinolinic acid imide, nicotinanilide, N-benzylnicotinamide, N-ethylnicotinamide, nifenazone, ni-cotinaldehyde, isonicotinic acid, methylisonicotinic acid, thionicotinamide, nialamide, 2-mercaptonicotinic acid, nicomol and niaprazine, methyl nicotinate and sodium nicotinate.
[0203] Among other derivatives of vitamin B3, mention may also be made of its inorganic salts, such as chlorides, bromides, iodides or carbonates, and its organic salts, such as salts obtained by reaction with carboxylic acids, such as acetate, salicylate, glycolate, lactate, malate, citrate, mandelate, tartrate, etc.
[0204] The amount of the skin care active ingredient(s) (f) in the composition according to the present invention may be 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition.
[0205] The amount of the active skin care ingredient(s) (f) in the composition according to the present invention may be 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.
[0206] The amount of the active skin care ingredient(s) (f) in the composition according to the present invention may be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.
[0207] (Optional ingredients)
[0208] The composition according to the present invention may further include at least one optional ingredient generally used in the field of cosmetics, chosen, for example, from solvents, colorants, UV filters, antioxidants, preservatives, pH correcting agents and mixtures thereof.
[0209] The composition according to the present invention may include one or more cosmetically acceptable organic solvents, which may be alcohols: in particular monovalent alcohols such as ethyl alcohol, isopropyl alcohol, benzyl alcohol and phenylethyl alcohol; and ethers such as monomethyl, monoethyl and monobutyl ethers of ethylene glycol, monomethyl, monoethyl and monobutyl ethers of propylene glycol and monomethyl, monoethyl and monobutyl ethers of butylene glycol.
[0210] The organic solvent(s) may be present in the composition according to the present invention in a concentration of 0.01% to 30% by weight, preferably 0.1% to 20% by weight and more preferably 1% to 15% by weight, relative to the total weight of the composition.
[0211] It is a matter of routine operation for a person skilled in the art to adjust the nature and quantity of the above optional additives which may be present in the composition according to the present invention in such a way that the desired cosmetic properties are not affected thereby.
[0212] (Cosmetic product)
[0213] The composition according to the present invention may be a cosmetic composition, preferably a cosmetic composition for eye makeup and more preferably a base for eyebrow makeup cosmetics or eye shadows.
[0214] The composition according to the present invention can be used for cosmetic treatments, preferably for makeup, of keratinous substances, preferably of keratinous fibers, and more preferably, of the eyebrows, as well as of the skin around the eyes.
[0215] The composition according to the present invention may be in the form of a liquid.
[0216] The term "liquid" herein means that the composition is fluidizable at room temperature (25°C) under atmospheric pressure (760 mmHg), and has a measurable viscosity. Thus, a composition in the form of a solid, such as a powder, does not correspond to the composition according to the present invention.
[0217] [Preparation]
[0218] The composition according to the present invention can be prepared by mixing the essential and optional ingredients described above.
[0219] For example, the composition according to the present invention can be prepared by a process comprising the step of
[0220] mixing ingredients (a) to (d), as well as other optional ingredients of the composition, with or without heating, preferably without heating, and more preferably, at a temperature of 30°C or less. It is preferable to carry out the mixing in addition with any of the optional ingredients described above.
[0221] [Method and use]
[0222] The composition according to the present invention can be used for keratinous substances, preferably keratinous fibers, and more preferably eyebrows.
[0223] For example, the composition according to the present invention can be used by a method of coating keratinous fibers, comprising the following steps:
[0224] application to the keratinous fibers of the composition according to the present invention to form at least one coating on the keratinous fibers, and
[0225] drying of the coating.
[0226] The composition according to the present invention can also be used to cover the skin, in particular the skin around the eyes.
[0227] Thus, the present invention also relates to a cosmetic process intended for a keratinous substance, preferably for keratinous fibers and more preferably for eyebrows, as well as for the skin around the eyes, comprising the following steps:
[0228] application of the composition according to the present invention to the keratinous substance.
[0229] The cosmetic process according to the present invention can be used, for example, for the makeup of keratinous substances, preferably keratinous fibers and more preferably eyebrows, as well as the skin around the eyes.
[0230] The present invention may also relate to a use of (a) at least one hydrophilic coated pigment in a cosmetic composition for makeup, in particular for eye makeup, of a keratinous substance, comprising
[0231] (b) at least one film-forming polymer having a glass transition temperature of - 30°C or less;
[0232] (c) at least one polyol; and
[0233] (d) water,
[0234] in order to stabilize the composition and / or to prolong the hold of the makeup of the composition on the keratinous substance.
[0235] The present invention may also relate to a use of (b) at least one film-forming polymer having a glass transition temperature of -30°C or less
[0236] in a cosmetic composition for makeup, in particular for eye makeup, of a keratinous substance, comprising
[0237] (a) at least one hydrophilic coated pigment;
[0238] (c) at least one polyol; and
[0239] (d) water,
[0240] in order to prolong the hold of the makeup of the composition on the keratinous substance.
[0241] The above explanations concerning ingredients (a) to (d) for the composition according to the present invention, as well as the keratinous substance, can also be applied to those for use according to the present invention. EXAMPLES
[0242] The present invention will be described in more detail with the aid of examples. However, these examples should not be construed as limiting the scope of the present invention. The examples below are presented as non-limiting illustrations within the scope of the present invention. Examples 1-4 and comparative examples 1-2
[0243] The cosmetic compositions for eye makeup according to Examples 1-4 and Comparative Examples 1-2 shown in Table 1 were prepared by mixing the ingredients shown in Table 1. The numerical values of the amounts of the ingredients shown in Table 1 are all based on the "% by weight" of raw materials.
[0244] The cosmetic compositions according to Examples 1 and 2 as well as Comparative Examples 1 and 2 were a base for eyebrow makeup cosmetics.
[0245] The cosmetic compositions according to Examples 3 and 4 were a base for eye shadows.
[0246] [Tables 1] Ingredients Ex. 1 Ex. 2 Ex. 3 Ex. 4 Ex. comp. 1 Ex. comp. 2 Water qsplOO qsplOO qsplOO qsplOO qsplOO qsplOO Phenoxyethanol 0.5 0.5 0.5 0.5 0.5 0.5 Hydroxyacetophenone 0.5 0.5 0.5 0.5 0.5 0.5 Glycerin - 3 3 - - - Butylene glycol 6 - 3 3 6 6 Dipropylene glycol - 3 - - - - Propylene glycol - - 3 3 - - Pentylene glycol 0.5 0.5 0.5 0.5 0.5 0.5 Propanediol 1 1 1 1 1 1 Niacinamide - - 5 5 - - Acrylamide / Sodium acryloyldimethyltaurate copolymer (and) Isohexadecane (and) polysorbate 80 1.5 1.5 1 1 1.5 1.5 Iron oxides (and) algin (MiyoAQUA) 1 - - - - 1 Iron oxides (and) silica (Sympholight) - 1 0.6 0.6 - - Iron oxides - - - - 1 - Acrylates / ethylhexyl acrylate copolymer (Daitosol 5500GX, solid content: 55% by weight) ** 20 20 10 10 20 Styrene / acrylates / ammonium methacrylate copolymer (and) sodium laureth sulfate (and) caprylyl glycol (Syntran 20 5760CG, solid content: 39% by weight)*2 Ethanol 3.6 3.6 3.6 3.6 3.6 3.6 Stability Excellent Excellent Excellent Excellent Poor Excellent e ntente nte nte Precise line Excellent Excellent Excellent Excellent Excellent Fair Excellent Visibility Very good Very good Good Good Fair Excellent Moisturizing effect Good Very good Very good Good Good Good Anti-wrinkle and whitening effects NA NA Excellent Excellent NA NA Makeup staying power Excellent Excellent Excellent Excellent Fair Fair e ntente nte ee
[0247] *1 Tg of acrylates / ethylhexyl acrylate copolymer: -67 °C
[0248] *2 Tg of styrene / acrylates / ammonium methacrylate copolymer: >-30 °C
[0249] [Evaluations]
[0250] (Stability)
[0251] The cosmetic composition of each of Examples 1-4 and Comparative Examples 1-2 was placed in a 50 ml glass jar and stored at 45°C for 2 months.
[0252] The appearance of each composition was then evaluated visually according to the following criteria:
[0253] Excellent: No pigment aggregation was observed immediately after preparation of the composition and 2 months after preparation
[0254] Very good: No pigment aggregation was observed just after the composition was prepared, while a small pigment aggregation was observed 2 months after the composition was prepared, but it was easy to redisperse the pigments by stirring
[0255] Good: No pigment aggregation was observed immediately after the composition was prepared, while some pigment aggregation was observed 2 months after the composition was prepared, but it was easy to redisperse the pigments by stirring
[0256] Correct: A small aggregation of pigments was observed just after preparation of the composition, and it was difficult to spread the pigments on the skin
[0257] Bad: A large amount of pigment aggregation was observed just after the composition was prepared, and it was very difficult to spread the pigments on the skin
[0258] The results are shown in Table 1.
[0259] (Precise outline)
[0260] The cosmetic composition of each of Examples 1-4 and Comparative Examples 1-2 was poured into an immersion applicator assembly and evaluated by 10 panelists for accurate tracing on the eyebrows or eyelids in accordance with the following criteria.
[0261] Excellent: 9-10 out of 10 panelists were able to draw a precise line
[0262] Very good: 7-8 panelists out of 10 panelists were able to draw a precise line
[0263] Good: 5-6 out of 10 panelists were able to draw a precise line
[0264] Correct: 3-4 out of 10 panelists were able to draw an accurate line
[0265] Bad: 0-2 out of 10 panelists were able to draw an accurate line
[0266] The results are shown in Table 1.
[0267] (Visibility)
[0268] The cosmetic composition of each of Examples 1-4 and Comparative Examples 1-2 was poured into an immersion applicator assembly and evaluated by 10 panelists for visibility when applied to the eyebrows or eyelids in accordance with the following criteria.
[0269] Excellent: 9-10 out of 10 panelists were able to distinguish the applied composition
[0270] Very good: 7-8 out of 10 panelists were able to distinguish the applied composition
[0271] Good: 5-6 panelists out of 10 panelists were able to distinguish the applied composition
[0272] Fair: 3-4 panelists out of 10 panelists were able to distinguish the applied composition
[0273] Bad: 0-2 panelists out of 10 panelists were able to distinguish the applied composition
[0274] The results are shown in Table 1.
[0275] (Moisturizing effect)
[0276] The cosmetic composition of each of Examples 1-4 and Comparative Examples 1-2 was poured into an immersion applicator assembly and evaluated by 10 panelists for moisturizing effect 5 minutes after application to the eyebrows or eyelids in accordance with the following criteria.
[0277] Excellent: 9-10 out of 10 panelists felt a moisturizing effect
[0278] Very good: 7-8 out of 10 panelists felt a moisturizing effect
[0279] Good: 5-6 out of 10 panelists felt a moisturizing effect
[0280] Correct: 3-4 out of 10 panelists felt a moisturizing effect
[0281] Bad: 0-2 out of 10 panelists felt a moisturizing effect
[0282] The results are shown in Table 1.
[0283] (Anti-wrinkle and whitening effect)
[0284] The cosmetic compositions according to Examples 3 and 4 were applied to the skin of 10 panelists once a day, for 2 months, and evaluated by the 10 panelists in terms of anti-wrinkle and whitening effect in accordance with the following criteria.
[0285] Excellent: 9-10 out of 10 panelists perceived fewer wrinkles and better whitening compared to the time just before applying the composition
[0286] Very good: 7-8 out of 10 panelists perceived fewer wrinkles and better whitening compared to the time just before applying the composition
[0287] Good: 5-6 out of 10 panelists perceived fewer wrinkles and better whitening compared to the time just before applying the composition
[0288] Correct: 3-4 out of 10 panelists perceived fewer wrinkles and better whitening compared to the time just before applying the composition
[0289] Bad: 0-2 out of 10 panelists perceived fewer wrinkles and better whitening compared to the time just before applying the composition
[0290] The results are shown in Table 1.
[0291] The compositions according to Examples 1-2 and Comparative Examples 1-2 were not tested, because niacinamide was not included in these compositions.
[0292] (Makeup hold)
[0293] The cosmetic compositions according to Examples 1-4 and Comparative Examples 1-2 were applied to the eyebrows or eyelids of 10 panelists. Then, an eyebrow cosmetic product (Maybelline eyebrow powder) or an eyeshadow (Shu Uemura pressed eyeshadow) was applied over it. The makeup staying power was then evaluated by 10 panelists 8 hours after application according to the following criteria.
[0294] Excellent: The makeup lasted for 9-10 panelists
[0295] Very good: the makeup lasted for 7-8 panelists
[0296] Good: The makeup lasted for 5-6 panelists
[0297] Correct: the makeup lasted for 3-4 panelists
[0298] Bad: Makeup held for 0-2 panelists
[0299] The results are shown in Table 1.
[0300] (Summary)
[0301] The compositions according to Examples 1-4 including all ingredients (a) to (d) for the composition according to the present invention were stable and provided long-lasting makeup effects. In addition, the compositions according to Examples 1 to 4 were easy to handle for drawing precise lines. On the other hand, the compositions according to Examples 1 to 4 provided good visibility to the makeup. Furthermore, the compositions according to Examples 1 to 4 were able to provide moisturizing effects.
[0302] The compositions according to Examples 3 and 4 which included niacinamide as skin care active ingredient (f) were also able to provide additional cosmetic effects based on ingredient (f).
[0303] The composition according to Comparative Example 1 which did not include ingredient (a) for the composition according to the present invention was not stable. In addition, the makeup provided by the composition according to Comparative Example 1 did not last long compared to, for example, the composition according to Example 1. In addition, it was not easy to draw precise lines using the composition according to Comparative Example 1, and the makeup provided by the composition according to Comparative Example 1 did not have good visibility.
[0304] The composition according to Comparative Example 2 which did not include ingredient (b) for the composition according to the present invention could not provide long-lasting makeup effects unlike, for example, the composition according to Example 1.
Claims
Claims
1. A composition, preferably a cosmetic composition, and more preferably a cosmetic composition for eye makeup, comprising: a. from 0.1% to 5% by weight relative to the total weight of the composition of at least one hydrophilic coated pigment selected from inorganic particles coated with alginate or silica; b. at least one film-forming polymer having a glass transition temperature of -30°C or less in the form of a latex selected from copolymers of C6-C10 alkyl (meth)acrylate and at least one monomer selected from the group consisting of (meth)acrylic acid, C1-C4 alkyl (meth)acrylate and mixtures thereof; c. at least one polyol; and d. water.
2. A composition according to claim 1, wherein the hydrophilic coated pigment is selected from metal oxide particles, and more preferably titanium oxide particles and / or iron oxide particles, coated with alginate or silica.
3. A composition according to any one of claims 1 to 2, wherein the film-forming polymer (b) having a glass transition temperature of -30°C or less is selected from acrylates / ethylhexylacrylates.
4. A composition according to any one of claims 1 to 3, wherein the polyol (c) is selected from the group consisting of glycerin, dipropylene glycol, butylene glycol, propylene glycol, pentylene glycol, 1,3-propanediol and a mixture thereof.
5. A composition according to any one of claims 1 to 4, wherein the composition further comprises (e) at least one thickener.
6. A composition according to claim 5, wherein the thickener (e) is selected from the group consisting of an acrylamide / sodium acryloyldimethyltaurate copolymer, an ammonium acryloyldimethyltaurate / VP copolymer, a sodium acrylate / sodium acryloyldimethyltaurate copolymer, an acrylate copolymer hydroxyethyl / sodium acryloyldimethyltaurate and a mixture thereof.
7. A composition according to any one of claims 1 to 6, wherein the composition further comprises (f) at least one skin care active ingredient.
8. A composition according to any one of claims 1 to 7, wherein the composition is a base for eyebrow makeup or eye shadow cosmetics.
9. Cosmetic process for a keratinous substance, comprising the following step: application of the composition according to any one of claims 1 to 8 to the keratinous substance.