Cosmetic compositions for treating the hair, nails and skin are described which contain, in a solvent medium, at least one amphoteric polymer of betainised dialkylaminoalkyl (meth)acrylate or dialkylaminoalkyl(meth)acrylamide, containing at least units of the formula: ##STR1## in which R.sub.1 denotes a hydrogen atom or a methyl group, R.sub.2 denotes an alkylene group having 1 to 4 carbon atoms, Y denotes O or NH and R.sub.3 and R.sub.4 independently of one another denote hydrogen or alkyl having 1 to 4 carbon atoms, and at least one cationic derivative.
An aqueous cosmetic or dermatological dispersion for treatment of hair or skin contains the following in an aqueous medium: a) at least one sugar or (C.sub.1 -C.sub.4)alkylsugar, C.sub.4 -C.sub.22 fatty acid mono and/or diester which may be oxyethylenated if necessary; and b) at least one reticulated copolymer of acrylamide and a monomer selected from: (i) ammonium acrylate; (ii) partially or completely neutralized 2-acrylamido 2-methylpropane sulfonic acid; (iii) methacryloyl oxyethyl trimethylammonium chloride.
An aqueous or aqueous/alcoholic cosmetic composition comprising an aqueous dispersion of insoluble particles of a non-ionic film-forming polymer, the polymer particles being at a concentration greater than 15% by weight with respect to the total weight of the composition and the glass transition temperature of the polymer particles of the composition ranging from 15 to 35.degree. C. and a process for the cosmetic treatment of keratinous substances using these compositions.
A conditioning shampoo containing an anionic surfactant, polyethyleneimine, a long chain fatty acid, and a non-volatile silicone material has extended product stability, excellent cleansing and foaming properties, and provides excellent and improved overall conditioning to human hair, particularly superior wet and dry combing properties.
The invention concerns novel hair cleansing and conditioning compositions comprising, in a cosmetically suitable medium, (A) a washing base and (B) at least a C.sub.12-C.sub.26 carboxylic acid ester and a C.sub.12-C.sub.26 alcohol. The invention is useful for hair wash and hair care.
A cosmetic composition comprising at least one quaternary polyammonium polymer (a) and at least one polymer (b) containing about 70 to 90% by weight of diallyldialkylammonium units in a weight ratio (a)/(b) equal to less than 1. A method of using such a composition for hair and/or skin care. This composition makes it possible to improve the disentanglement of hair (especially wet hair) as well as the softness of the hair and the skin.
