The invention relates to a cosmetic composition comprising a cationic associative polymer, a particular carboxylic anionic surfactant, optionally a nonionic surfactant and an amphoteric or zwitterionic surfactant. The invention also relates to a cosmetic process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising the application of said cosmetic composition. The invention also relates to the use of said cosmetic composition for conditioning keratin fibres, in particular human keratin fibres such as the hair.

The present invention relates to a composition comprising: (a) at least one particle comprising at least one cationic polymer and at least one anionic polymer, at least one cationic polymer and at least one amphoteric polymer, at least one anionic polymer and at least one amphoteric polymer, or at least one amphoteric polymer, and at least one non-polymeric acid having two or more pKa values or salt(s) thereof or at least one non-polymeric base having two or more pKb values or salt(s) thereof; and (b) water, wherein the anionic polymer is selected from hyaluronic acid and derivatives thereof, and the amphoteric polymer is selected from cationized hyaluronic acid and salts thereof. The composition according to the present invention is stable, and can have a variety of cosmetic functions. The stickiness of the composition according to the present invention can be reduced.

The present application relates to a composition comprising, notably in a physiologically acceptable medium: a. water; and b. at least one cationic polymer (PC) chosen from methyldiallylamine polymers or diallyldimethylammonium polymers; and c. at least one anionic polymer (PA) chosen from methacrylic acid homopolymer salts; and d. at least one anionic surfactant comprising at least one cationic counterion; and e. a fatty phase; and f. at least one pigment; the weight ratio of the total amount of cationic polymer(s)/the sum of the total amount of cationic polymer(s) and of the total amount of anionic polymer(s) ranging from 40% to 70%; the weight ratio of the sum of the total amount of cationic polymer(s) and of the total amount of anionic polymer(s) to the sum of the total amount of anionic and cationic polymers and of the amount of water ranging from 5% to 25%. The invention also relates to a process for coating keratin materials, in particular the skin, notably the contour of the eyes, eyelashes or eyebrows, and keratin fibers, such as the eyelashes and/or the eyebrows, comprising a step of applying to said keratin materials at least one composition as defined above.

Provided herein are color protectant compositions for dyed human hair, and methods for determining the same.

A fragrance-containing microparticle of water-insoluble polymeric material, the polymer having a glass transition temperature of from 0° C. to 50° C. and a zeta potential lying within the ranges −40 mV to −5 mV and +5 mV to +45 mV. The microparticles have enhanced substantivity to hair, resulting in a longer-lasting fragrance.

A cosmetic composition including: (A) a silicone film-forming agent, (B) a high-molecular-weight organopolysiloxane having a degree of polymerization of 2,350 or more and 20,000 or less, and (C) an organopolysiloxane having a cationic group other than the component (A) and the component (B). A total content of the components (A) to (C) in the cosmetic composition is 2% by mass or more and 50% by mass or less, and a content of water is 10% by mass or less.

The present invention provides a hair cleansing composition comprising an anionic surfactant, a cationic polymer, a dialkyl ether, and at least one compound selected from the group consisting of a compound represented by the general formula R.sup.a—O-(AlkO).sub.m—R.sup.b and a polyoxypropylene polyglyceryl ether. The hair cleansing composition has a low viscosity at low temperatures and is thereby convenient to use. In addition, the hair cleansing composition maintains basic performance (e.g., good foam quality and good foam quantity) at low temperatures, and provides sufficient smoothness when scrubbing or rinsing hair.

The hair cleansing composition according to the present invention can be provided, together with a foam discharge device, as a kit, and is applicable to a method for hair cleansing.

Provided is a composition for the treatment of keratin fibers, for example human keratin fibers such as the hair, comprising, in a cosmetically acceptable medium, at least one cationic polymer; at least one fatty amide; at least one anti-oxygen agent; and at least one oxidizing agent; wherein the pH of the composition ranges from 1.5 to 4.5. Also provided is a composition for the treatment of keratin fibers, comprising, in a cosmetically acceptable medium, at least one cationic polymer; at least one fatty amide; at least one anti-oxygen agent; and at least one oxidizing agent; wherein the pH of the composition is alkaline. Also provided is a method for treating keratin fibers, comprising applying, to the keratin fibers, at least one oxidizing composition described herein.

Described herein is an aqueous composition including particles coated with at least one non-amphoteric, quaternizable polymer which is water soluble at 20° C., and at least one dispersing component, where the dispersing component includes a dispersing agent selected from an amphiphilic graft polymer based on water-soluble polyalkylene oxides (A) as a graft base and side chains formed by polymerization of a vinyl ester component (B), the polymer having an average of ≤1 graft site per 50 alkylene oxide units and a mean molar mass M.sub.w of from 3000 to 100 000.

Disclosed are stable microcapsule compositions each containing a microcapsule dispersed in an aqueous phase and a stabilizing agent. The microcapsule compositions are stable for at least 4 weeks when storing at 45° C., and the microcapsule composition is considered stable when (i) the composition has a viscosity of 3000 cP or less and (ii) 20% or less water by volume of the composition is separated from the composition. Also disclosed are consumer products having such a stable microcapsule composition.