Abstract: A quaternized polymer for use as a cosmetic agent, has recurring units of the formula ##STR1## wherein R is lower alkyl or -CH.sub.2 -CH.sub.2 OH;R' is an aliphatic, alicyclic or arylaliphatic radical containing a maximum of 20 carbon atoms, or R and R' together with the nitrogen atom to which they are attached form a heterocycle capable of containing a heteroatom other than nitrogen;A is a divalent group selected from(1) o-, m- or p-xylylidene of the formula ##STR2## wherein x, y and t are whole numbers ranging from 0 to 11 such that the sum (x+y+t) is greater than or equal to 0 and lower than 18, and E and K represent hydrogen or an aliphatic radical having less than 18 carbon atoms,(3) --(CH.sub.2).sub.n --S--(CH.sub.2).sub.n --,(4) --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n --,(5) --(CH.sub.2).sub.n --S--S--(CH.sub.2 (.sub.n --,(6) --(CH.sub.2).sub.n --SO--(CH.sub.2).sub.n --,(7) --(CH.sub.2).sub.n --SO.sub.2 --(CH.sub.2).sub.

Abstract: A hair shaping cosmetic composition contains in an aqueous, alcoholic or hydoalcoholic carrier a quaternized polymer.

Abstract: Vinyl acetate and an unsaturated acid are copolymerized in the presence of bis (4-tert. butyl cyclohexyl) peroxydicarbonate. The resulting copolymer which exhibits improved aerosol propellant solubility characteristics is employed in aerosol hair lacquer compositions.

Abstract: A process is described which consists, in a first stage, in applying a composition based on a substance of vegetable or animal origin, a synthetic organic substance or a mineral substance, in suspension or in solution in a solvent and having a viscosity suitable for application to the hair, or as a powder, and making it possible to prevent or substantially to limit the passage of the dyestuffs and/or of the dyestuff precursors as far as the scalp, and, in a second stage, in dyeing the hair using one or more compositions, at least one of which contains either an oxidizable dyestuff or a direct dyestuff, the dyeing being followed, after an interval sufficient for coloring the hair, by rinsing and optionally by shampooing.

Abstract: Ionene polymers have been prepared and have been found to be useful in cosmetic compositions for the treatment of the hair and skin, or in the treatment of natural or synthetic textile fibers.

Abstract: Polycationic polymers have been prepared and have been found to be useful in cosmetic compositions for the treatment of the hair and skin, or in the treatment of natural and synthetic textile fibers. These polymer comprise units of the formula ##STR1## .

Abstract: A cosmetic composition for application to the hair, skin or nails comprises in a cosmetic vehicle selected from water, a lower alkanol or a dilute lower alkanol solution, 0.01 to 15 percent by weight of a cationic polymer having units of the formula ##STR1## said polymer having a molecular weight between 1,000 and 50,000. R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each independently represent alkyl or hydroxyalkyl wherein the alkyl of each has 1-20 carbon atoms. A is alkylene, hydroxyalkylene, --(CH.sub.2).sub.n --Z--(CH.sub.2).sub.n -- wherein Z is oxygen and n is a whole number ranging from 2-10, or --EO).sub.m.sbsb.1 (DO.sub.m D.sub.1 wherein E is alkylene or hydroxyalkylene containing 1-5 carbon atoms, m.sub.1 is 0 or 1, m is 1-600 with the proviso that m is greater than 1 when m.sub.1 =0. D.sub.1 represents E when m.sub.1 =1 and D.sub.1 represents D when m.sub.1 =0. B represents --EO).sub.m.sbsb.1 (DO).sub.m D.sub.1 wherein E, D, D.sub.1, m and m.sub.1 are defined above X.sup..crclbar.

Abstract: A quaternized polymer having recurring units of the formula ##STR1## wherein X.sup..crclbar. represents an anion derived from an organic or mineral acid;R'.sub.2 is an aliphatic radical having a maximum of 20 carbon atoms;R'.sub.1 is an alphatic, alicyclic or arylaliphatic radical containing a minimum of 2 carbon atoms and a maximum of 20 carbon atoms, or R'.sub.1 and R'.sub.

Abstract: The copolymer of N-vinyl pyrrolidone and a vinylic, allylic or methallylic ester of a cyclic .alpha.- or .beta.- carboxylic acid is employed as a cosmetic film forming resin in cosmetic compositions for the hair, including hair setting lotions and lacquers, hair rinses and shampoos.

Abstract: Novel polymers useful, in particular, in cosmetic compositions for application to the hair are described.

Abstract: A cosmetic composition for the care of the hair and the skin comprises a cosmetic vehicle and at least one copolymer having one or both of tertiary amine and quaternary ammonium functions. The copolymer, which can have a molecular weight between 2,000 and 500,000 is present in the composition in an amount between 0.01 and 15 percent by weight thereof.

Abstract: Unsaturated compounds corresponding to the following formula: ##STR1## in which: R' represents a hydrogen atom or a methyl radical are provided as antioxidant monomers from which antioxidant polymers can be prepared.

Abstract: A cosmetic composition comprises a cosmetic vehicle and from 0.5-10 percent by weight of at least one copolymer having the formula ##STR1## wherein B represents Na, K, NH.sub.4, ##STR2## or 2-amino-2-methyl propanol-1; R.sub.1 and R.sub.2 each independently represent hydrogen or --(X)--OH; X represents alkylene having 1-3 carbon atoms or alkylene substituted by at least one hydroxymethyl; M represents at least one unsaturated monomer selected from acrylamides or methacrylamides substituted on the nitrogen by alkyl, the acrylates or methacrylates of monoalkyl ether of ethylene glycol or of polyethylene glycol, and N-vinylpyrrolidone; x is 22-64 mole percent, y is 13-71 mole percent, z is 6-23 mole percent, v is 0-22 mole percent, and x+y+z+v is equal to 100 mole percent.

Abstract: A copolymer of N-vinyl pyrrolidone and a vinylic, allylic or methallylic ester of a cyclic .alpha.- or .beta.-carboxylic acid is employed as a cosmetic film forming resin in cosmetic compositions for the hair, including hair setting lotions and lacquers, hair rinses and shampoos.

Abstract: A dye polymer for use in dye compositions for coloring keratinic fibers comprises units of the formula ##STR1## wherein, R represents hydrogen or alkyl, x is a whole number equal at least to 2, and X represents the residue of a molecule of a dye or a dye precursor.

Abstract: Cosmetic compositions for the hair and skin are described which are characterized in that they contain a polymer which comprises recurring units having the general formula: ##STR1## in which: k is 0 or 1, and l=1 if k=0, or l=0 if k=1,p=0 or 1 and the radicals R.sub.1 to R.sub.5 represent various specified organic radicals.

Abstract: A cosmetic composition for application to the hair or skin comprises in an appropriate cosmetic vehicle at least one polymer produced by polymerizing an unsaturated monomer and a compound having at least one OH function, the said polymerization being carried out in an aqueous medium and in the presence of cerium ions.

Abstract: A cosmetic composition comprises a cosmetically acceptable vehicle and at least one copolymer having units of a vinyl, allyl or methally ester of an .alpha.- or .beta.-cyclic carboxylic acid. A process for producing the said copolymer comprises reacting the monomeric constituents of the copolymer at a temperature between 45.degree.-100.degree. C. for a period ranging from 6 to 24 hours.

Abstract: Unsaturated compounds corresponding to the following formula: ##STR1## in which: R' represents a hydrogen atom or a methyl radical are provided as antioxidant monomers from which antioxidant polymers can be prepared.

Abstract: Copolymers having the formula ##STR1## where B represents Na, K, NH.sub.4, ##STR2## or 2-amino-2-methylpropanol-1, R.sub.1 and R.sub.2 represent hydrogen or -(X) OH; X represents an alkylene having 1-3 carbon atoms or alkylene substituted by at least one hydroxy methyl, M represents at least one unsaturated monomer selected from acrylamides or methacrylamides substituted on the nitrogen by alkyl, the acrylates or methacrylates of monoalkyl ether of ethylene glycol or of polyethylene glycol, and N-vinylpyrrolidone, x is 22-64 mole percent, y is 13-71 mole percent, z is 6-23 mole percent, v is 0-22 mole percent and x+y+z+v is equal to 100 mole percent, can be produced by copolymerizing N,N-dimethylamino-2 ethyl methacrylate, methyl methacrylate, methacrylic acid and optionally at least one other monomer corresponding to M.