Abstract: A composition and method for dyeing keratin materials, comprising, in a medium that is suitable for dyeing, at least one compound of formula (I) wherein X is chosen from sulphur atoms and selenium atoms, R is chosen from hydrogen, C1–C9 alkyl groups, cyano groups, halo groups, C1–C6 alkoxy groups, amino groups, (C1–C6 alkyl)amino groups, hydroxy(C1–C6 alkyl)amino groups, tri(C1–C6 alkyl)ammonio groups, imidazolyl groups, pyridinyl groups, thio groups, (C1–C6 alkyl)thio groups, thio(C1–C6 alkyl) groups, (C1–C6 alkyl)carbonyl groups, hydrogenocarbonyl groups, hydroxycarbonyl groups, (C1–C6 alkoxy)carbonyl groups, nitro groups, sulphonato groups, and corresponding protonated groups, and aromatic groups. Dyeing kits are also disclosed.

Abstract: Disclosed are processes and compositions for dyeing keratin materials comprising, in a medium that is suitable for dyeing, at least one ninhydrin compound of formula (I) wherein, A comprises an at least 12-membered polycycle, such as those chosen from anthracenyl, tetracenyl, phenanthrenyl, and azulenyl groups. Hair dyeing processes and kits using these compositions are also disclosed.

Abstract: The present disclosure relates to the process, for dyeing keratin materials, comprising applying to the keratin materials a composition comprising, in a medium appropriate for dyeing, at least one polycyclic aromatic vicinal trione, which may be optionally combined with at least one compound comprising a liable hydrogen. Further disclosed herein is a cosmetic dyeing composition, a multicomponent hair dye composition, and a multicompartment kit comprising the same.

Abstract: The present disclosure relates to the process, for dyeing keratin materials, comprising applying to the fibers a composition comprising, in a medium appropriate for dyeing, at least one ninhydrin derivative, which may optionally be combined with at least one compound comprising a labile hydrogen. Further disclosed herein is a multi-component hair dye composition, and a multi-compartment kit comprising same.

Abstract: The invention relates to the use for of compositions dyeing keratin materials containing, in a medium that is suitable for dyeing, at least one compound of formula (I) in which X and Y, independently of one another, are chosen from a CH group and a nitrogen atom, R is chosen from aromatic mono- or poly-cyclic groups with fused or non-fused rings, wherein the groups have at least 5 members and optionally comprise at least one hetero atom chosen from nitrogen, oxygen, sulphur and phosphorus. Processes and kits using these compositions are also disclosed.

Abstract: The present disclosure relates to a cosmetic composition comprising, in an appropriate cosmetic medium, at least one tribochromic compound. The present disclosure also relates to a process for making up the lips, skin, or integuments using the compostions disclosed herein, wherein the at least one tribochromatic compound has the property of changing coloration or shade when, once deposited onto the integuments, the lips or the skin, it undergoes a conformational change subsequent to a mechanical stress.

Abstract: The present disclosure relates to a composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one conductive polymer, and to its use for the cosmetic treatment of keratin fibers. The disclosure also relates to a cosmetic process for treating keratin fibers using the composition.

Abstract: The present invention relates to the use, for the cosmetic treatment of keratin materials, of a film-forming composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one non-silicone polymer such that the film obtained from the composition by drying at ambient temperature and with a relative humidity of approximately 50% has a Young's modulus of between 1 and 100 MPa, measured for a thickness of 0.5 mm and with a tensile speed of 20 mm/min.

Abstract: Disclosed herein is a cosmetic composition for treating keratin materials, for example, keratin fibers such as the hair, comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one liquid crystal agent. Also disclosed is a method for cosmetically treating keratin materials comprising applying the cosmetic composition to the keratin materials.

Abstract: The present disclosure relates to a process for dyeing keratin materials with compositions comprising, in a medium that is suitable for dyeing, at least one ninhydrin derivative, which may optionally be combined with at least one compound comprising at least one labile hydrogen. Further disclosed herein are dying compositions, multi-component hair dye compositions, and a multi-compartment kits.

Abstract: The present patent application relates to a process for the cosmetic treatment of keratin materials, including keratin fibers such as the hair. The process comprises applying the composition to the keratin materials, wherein the composition comprises, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one non-silicone polymer, the non-silicone polymer being chosen such that the composition gives, after drying, a film with a maximum peel force of greater than 1 newton. The application also relates to the composition.

Abstract: The present disclosure relates to methods for treating keratin materials, including keratin fibers such as the hair, of a composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and microparticles or nanoparticles.

Abstract: Disclosd herein is a film-forming composition for the cosmetic treatment of keratin materials comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one non-silicone polymer, such that the film obtained from the composition by drying at room temperature and with a relative humidity level of about 50% has a Young's modulus of between 100 and 2000 MPa, measured for a thickness of 0.5 mm and with a tensile speed of 20 mm/min.

Abstract: Disclosed herein is a cosmetic composition comprising at least one electrophilic monomer and at least one non-reducing organic acid containing from 1 to 12 carbon atoms in a cosmetically acceptable anhydrous medium, and its use for the cosmetic treatment of the hair. Also disclosed herein is a method of cosmetic treatment of the hair which employs the composition.

Abstract: The present disclosure relates to a cosmetic composition comprising at least one fluorescent dye and at least one aminosilicone; processes using this cosmetic composition and a kit comprising at least one composition comprising at least one fluorescent dye and at least one aminosilicone, which can be used to dye with a lightening effect human keratin materials for example, artificially dyed or pigmented hair, and dark skin.

Abstract: A system for applying a hair product to hair strands may include an applicator including a reservoir forming portion for containing a hair product to be applied. The applicator may include an applicator portion that may include an application area configured to engage with at least one hair strand during relative movement, in a direction longitudinal to the at least one hair strand, of the applicator with respect to the at least one hair strand. The applicator may include at least one passage configured to transfer hair product between the reservoir forming portion and the application area during the relative movement of the applicator. The system may include a flexible sleeve configured to receive the at least one hair strand via one of the open ends and to enclose the at least one hair strand over at least a portion of the length of the at least one hair strand.

Abstract: Disclosed herein are a method of dyeing or coloring, with a lightening effect, a human keratin material comprising applying a composition comprising, in a cosmetically acceptable medium, at least one fluorescent compound and at least one optical brightener; a composition comprising, in a cosmetically acceptable medium, at least one fluorescent compound and at least one optical brightener which are both soluble in the medium; and a device using such a composition comprising at least two compartments, wherein at least one comprises, in a cosmetically acceptable medium, a composition comprising at least one fluorescent compound and at least one optical brightener and optionally at least one additional ingredient chosen from direct dyes, oxidation bases and couplers, and at least one other compartment comprises a composition comprising at least one oxidizing agent.

Abstract: The present disclosure relates to compositions for dyeing keratin materials, for example, compositions for hair dyeing comprising at least one 1,3-indandione derivative, a method for dyeing using such compositions and a multicomponent dyeing agent used for carrying out such a method. The present disclosure makes it possible, for example, to obtain a color of the keratin fibers which is fast, resistant to light and to washing.

Abstract: The present disclosure relates to compositions for dyeing keratin materials, for example compositions for hair dyeing, comprising at least one 1,2-indandione derivative, a method for dyeing using such compositions, and a multicomponent dyeing agent used for carrying out such a method.

Abstract: The present disclosure relates to compositions comprising, in a medium that is suitable for dyeing keratin fibers, such as human keratin fibers, at least one compound chosen from heptafulvene and tropolone derivatives and mixtures thereof. The present disclosure similarly relates to a process for dyeing keratin fibers using the compositions, optionally in the presence of at least one oxidizing agent, and also to a multi-compartment kit comprising at least one compartment comprising a composition as disclosed herein, and at least one compartment comprising a composition comprising at least one oxidizing agent.