Abstract: The present invention relates to a photo-crosslinkable cosmetic composition, in particular for coating a nail, and more particularly for making up a nail, comprising, in a physiologically acceptable medium: (I) in which formula (I): — R—1, R2, R3, which may be identical or different, represent a hydrogen atom, or a C1-C10, preferably C1 alkyl group, preferably R1 being a methyl, preferably R2 and R3 being a hydrogen atom, — n represents an integer between one and 10, preferably equal to 2, — the bond between ? and ? of the carbonyloxy is a single bond, a double bond or is a bond within a (hetero)cyclic compound comprising from 5 to 7 carbon atoms; — at least one photo-crosslinkable compound b) comprising at least one (poly)urethane poly(ALK)acrylate compound preferably comprising a (poly)oxyalkylene unit. The present invention also relates to specific methods for applying such a composition.

Abstract: The present invention relates to a photo-crosslinkable cosmetic composition, in particular for coating a nail or false nail, and more particularly for making up a nail or false nail, comprising, in a physiologically acceptable medium:—at least one photo-crosslinkable compound comprising at least one (poly)urethane poly(ALK)acrylate compound, preferably polyurethane di(meth)acrylate compound, more preferentially polyurethane dimethacrylate compound,—nitrocellulose,—at least one primary anti-oxidant, preferably chosen from sterically hindered phenols, and aromatic secondary amines, more preferentially di(tert-butyl) 4-hydroxytoluene,—at least one secondary antioxidant, preferably chosen from compounds comprising at least one unit formed from a sulfur atom linked to two carbon atoms, more preferentially chosen from a di(t-butyl) hydroxyphenylamino bisoctylthiotriazine compound. The present invention also relates to specific methods for applying such a composition.

Abstract: The present invention relates to a photo-crosslinkable cosmetic composition, in particular for coating a nail, and more particularly for making up a nail, comprising, in a physiologically acceptable medium: —at least one photo-crosslinkable compound a) comprising at least two (ALK)acrylate functions and at least one carboxylic acid function, —at least one photo-crosslinkable compound b) comprising at least one (poly)urethane poly(ALK)acrylate compound, preferably polyurethane di(meth)acrylate compound, more preferentially polyurethane dimethacrylate compound, the photo-crosslinkable compound(s) b) preferably comprising a (poly)oxyalkylene unit, in particular comprising a (poly)oxyethylene unit, preferably comprising from 1 to 100 oxyalkylene units, preferably from 5 to 50 oxyalkylene units, and preferentially approximately 8 to 10 oxyalkylene units, —at least one film-forming polymer present in a total content strictly less than 30% by weight, relative to the weight of the total solids of the composition.

Abstract: The present invention relates to a kit for coating a nail or false nail, and more particularly for making up a nail or false nail, comprising: —a first photo-crosslinkable cosmetic composition comprising, in a physiologically acceptable medium, at least one photo-crosslinkable compound a) corresponding to formula (I) in which formula (I) —R1, R2 and R3, which may be identical or different, represent a hydrogen atom or a C1-C10 alkyl group, n represents an integer between 1 and 10, —the bond between ? and ? of the carbonyloxy is a single bond or a double bond or is a bond included in a (hetero)cycle comprising from 5 to 7 carbon atoms; and —a second photo-crosslinkable composition comprising, in a physiologically acceptable medium: • at least one photo-crosslinkable compound b) comprising at least one (poly)urethane poly(ALK)acrylate compound comprising a (poly)oxyalkylene unit, • at least one photo-crosslinkable compound c) comprising at least two carbamate units obtained by reaction with at least one diisocy

Abstract: The present invention relates to a photo-crosslinkable cosmetic composition, in particular for coating a nail or a false nail, and more particularly for making up a nail or a false nail, comprising, in a physiologically acceptable medium: at least one photo-crosslinkable compound a) comprising at least one (ALK)acrylate function and at least one carboxylic acid function, at least one photo-crosslinkable compound b) comprising at least one (poly)urethane poly(ALK)acrylate compound, preferably polyurethane di(meth)acrylate compound, more preferentially polyurethane dimethacrylate compound, the photo-crosslinkable compound(s) b) comprising a (poly)oxyalkylene unit, in particular comprising a (poly)oxyethylene unit, preferably comprising from 1 to 100 oxyalkylene units, preferably from 5 to 50 oxyalkylene units, and preferentially approximately 8 to 10 oxyalkylene units, at least one photo-crosslinkable compound c) comprising at least one (poly)urethane poly(ALK)acrylate compound, preferably polyurethane di(meth)

Abstract: The invention relates to nail treatment system comprising at least one basecoat, at least one second coat, and optionally at least one topcoat, wherein the basecoat comprises water and at least one non-UV curable adhesive latex compound, and the second coat comprises at least one photocrosslinkable urethane (meth)acrylate and at least one (meth)acrylate monomer.

Abstract: The invention relates to a cosmetic composition, in particular a composition for making up and/or caring for keratin materials, preferably a nail makeup, comprising the compound of chemical formula (I) below: (I) in which: a and b independently represent an integer between 0 and 20; R1, R2, R11 and R12 independently represent an ethoxy group, a group (C1-C20)alkyl optionally substituted with an amino group; R3, R4, R5, R6, R7, R8, R9 and R10 independently represent a hydrogen atom or a group (C1-C10)alkyl; X1 and X2 independently represent a carboxyl, carbamate, amide, carbonate, ureido or sulfonate group, an oxygen atom or a NH group; Y represents a hydrocarbon-based group comprising from 2 to 800 carbon atoms, the said hydrocarbon-based group being a linear or branched divalent group, bearing one or more aromatic or non-aromatic rings.

Abstract: The present invention relates to a photocrosslinkable cosmetic composition comprising in a physiologically acceptable medium: at least one photocrosslinkable compound comprising at least two (meth)acrylate functions and at least one carboxylic acid function; at least one film-forming polymer in a proportion greater than or equal to 30% by weight in relation to the dry extract weight of the composition; at least one volatile solvent in a proportion greater than or equal to 30% in relation to the total weight of the composition; and at least one photoinitiator.

Abstract: The present invention relates to a makeup and/or care method of a nail and/or false nail, comprising a) applying a photocrosslinkable cosmetic composition (C1) onto a nail or false nail; b) exposing the coated nail or false nail obtained in step a) to UV or visible light radiation and then photocrosslinking to obtain a crosslinked layer (C?1); c) applying a photocrosslinkable cosmetic composition (C2) onto the nail or false nail coated with the crosslinked layer (C?1) obtained in step b); and d) exposing the coated nail or false nail to UV or visible light radiation and then photocrosslinking to obtain a crosslinked layer (C?2); the composition (C1) comprising in a physiologically acceptable medium at least one photocrosslinkable compound comprising at least two (meth)acrylate functions and at least one carboxylic acid function, at least one volatile solvent (S) in a proportion greater than or equal to 30% in relation to the total weight of the composition (C1), and at least one photoinitiator; the compositio

Abstract: The present invention relates to a photocrosslinkable cosmetic composition, comprising in a physiologically acceptable medium: at least one photocrosslinkable urethane (meth)acrylate compound P1 comprising at least one structural unit: (I) at least one photocrosslinkable urethane (meth)acrylate compound P2, comprising at least one polyethylene glycol chain, preferably at least one film-forming polymer P3, and at least one photoinitiator.

Abstract: The present invention relates to a photocrosslinkable cosmetic composition, comprising in a physiologically acceptable medium: —at least one photocrosslinkable urethane(meth)acrylate compound P2 comprising a of ether chain, said compound having a molar mass greater than or equal to 1000 g/mol, at least one film-forming polymer P2, —at least one photoinitiator, and—at least one volatile solvent chosen from acetone, ethyl acetate, and propyl acetate, said solvent being preferably present in said composition at a content greater than or equal to 20%, preferentially greater than or equal to 30%, by weight in relation to the total weight of said composition, wherein the weight ratio between P1 and P2 is less than or equal 2.0.

Abstract: The present invention relates to a photocrosslinkable cosmetic composition, comprising in a physiologically acceptable medium: —at least one photocrosslinkable urethane (meth)acrylate compound P1 comprising at least one structural unit: (I) —at least one photocrosslinkable urethane (meth)acrylate compound P2 comprising at least one polyether chain, said compound having a molar mass greater than or equal to 1000 g/mol, —at least one film-forming polymer P3, —at least one photoinitiator, and —at least one volatile solvent chosen from acetone, ethyl acetate, and propyl acetate, said solvent being present in said composition at a content greater than or equal to 20%, preferably greater than or equal to 30%, by weight in relation to the total weight of said composition, wherein the ratio of the total mass of P1 and P2 to the total mass of P3 is less than or equal to 4.0.

Abstract: The present invention relates to a kit for make-up and/or care of nails and/or false nails, comprising: —a composition C1 for make-up and/or care of nails and/or false nails comprising at least one film-forming polymer, said polymer being insoluble in acetone, methyl acetate, and ethyl acetate, and—a make-up removal composition C2 comprising at least one volatile solvent S2 selected from the group consisting of C2-C5 alcohols, C5-C12 alkanes, and mixtures thereof, said solvent S2 being able to solubilize the film-forming polymer of composition C1.

Abstract: The present invention relates to a makeup and/or care method of a nail and/or false nail, particularly comprising a step for applying, onto a nail or false nail, a photocrosslinkable cosmetic composition C1, the composition C1 comprising in a physiologically acceptable medium at least one photocrosslinkable (meth)acrylate compound, at least one film-forming polymer P1 in a proportion greater than or equal to 10% by weight in relation to the total dry extract weight of the composition C1, at least one volatile solvent S in a proportion greater than or equal to 30% in relation to the total weight of the composition C1 and at least one photoinitiator.

Abstract: The invention relates to silicone containing compositions able to form adhesive films on substrates, which typically comprises a curable silicone composition comprising components (a), (d) and at least one of (b) or (c): a. a polyorganosiloxane resin, composed of M and Q units having at least 3 alkenyl groups per molecule, herein after called “SiVi” groups, b. a polyorganosiloxane compound having at least 2 Si-bonded hydrogen groups on the polysiloxane chain, hereinafter called “SiH” groups, c. a telechelic polyorganosiloxane compound having terminal Si—H groups, and d. a hydrosilylation catalyst for the reaction of SiH groups with SiVi groups, e. a liquid diluent in an amount of from 0% to maximum 40% by weight of composition said components reacting together by hydrosilylation at a temperature below 400 C when they are brought into contact on a substrate and cure to form a continuous film on the substrate.

Abstract: The invention relates to a cosmetic composition, in particular a composition for making up and/or caring for keratin materials, preferably a nail makeup, comprising the compound of chemical formula (I) below: (I) in which: a and b independently represent an integer between 0 and 20; R1, R2, R11 and R12 independently represent an ethoxy group, a group (C1-C20)alkyl optionally substituted with an amino group; R3, R4, R5, R6, R7, R8, R9 and R10 independently represent a hydrogen atom or a group (C1-C10)alkyl; X1 and X2 independently represent a carboxyl, carbamate, amide, carbonate, ureido or sulfonate group, an oxygen atom or a NH group; Y represents a hydrocarbon-based group comprising from 2 to 800 carbon atoms, the said hydrocarbon-based group being a linear or branched divalent group, bearing one or more aromatic or non-aromatic rings.

Abstract: The invention relates to a cosmetic composition, in particular a composition for making up and/or caring for keratin materials, preferably a nail makeup, comprising the compound of chemical formula (I) below: (I) in which: m represents an integer equal to 0 or 1; n represents an integer between 2 and 8; R1 represents a group (C1-C20)alkyl or an aryl group, or alternatively, when m is equal to 0, R1 may also represent a carbonyl; R2 and R3 represent an ethoxy group or a group (C1-C20)alkyl, optionally substituted with an amino group; Y represents a polyurea or a polyurethane or alternatively a hydrocarbon-based group comprising from 2 to 100 carbon atoms. The invention also relates to a cosmetic process, in particular a makeup or hair shaping process, preferably a process for making up keratin materials, in particular the nails and/or the hair, characterized in that it comprises at least one step which consists in applying a cosmetic composition as above defined to keratin materials.

Abstract: The present invention relates to a cosmetic or dermatological composition of sol/gel type for making up and/or caring for keratin materials characterized in that it comprises the product resulting from the reaction: (a) of at least one alkoxysilane monomer or oligomer of formula (I) R1xSi(OR2)(4-x) or of formula (II) [R1y (OR2)z SiO ((4-?-?)]? in which R1 represents, independently, a nucleophilic group other than a hydroxyl, or a (Ci-C2o)alkyl group, R2 represents, independently, a (Ci-Cio)alkyl group, and (b) of an amount of water corresponding to a number of moles of water, determined according to the following equation: X?(llAlkoxysilanes×llbAlkoxy groups)/nH2o with nH2o=Number of moles of water, nAikoxysiianes=Number of moles of alkoxysilane compounds, nbAikoxy groups=Weighted mean of the number of alkoxysilane groups per alkoxysilane compound, and X is a number greater than 2. It also relates to an associated cosmetic process and an associated kit for coating keratin materials.

Abstract: A cosmetic device for applying to human keratinous materials, the device including an electrochromic multilayer structure having an electro sensitive stack formed by at least: first and second electrode layers; first and second active electrochromic layers; and an electrolyte layer; and further including: an optically-active layer that is superposed, at least in part, on the electrosensitive stack.

Abstract: The invention relates to a method for making up the nails which consists in adhesively bonding, to the nail, an article comprising a prethermoformed backing composed of at least one first noncrystalline thermoplastic material having a softening temperature T3I and at least one second noncrystalline thermoplastic material not having a softening temperature of less than or equal to TSi, and then heating the article applied to the nail so as to soften the said at least one first noncrystalline thermoplastic material for the purpose of completing the matching of the article to the profile of the nail.