A method of treating a material, the method comprising contacting the material with a composition comprising an alpha-substituted aldehyde.

A composition for treating keratinous fibers is provided herein. The composition includes, relative to the weight thereof, from about 0.01 to about 4.00 wt % of at least one alum. The composition further includes, relative to the weight thereof, from about 0.01 to about 5.00 wt % of at least one salt which comprises a bivalent cation.

A method of combatting colour loss from a dyed material, the method comprising contacting the material with a composition comprising an alpha-substituted aldehyde.

A method of combating colour loss from a dyed material, the method comprising contacting the material with a composition comprising a hydroxy-substituted aldehyde.

A method of treating a material, the method comprising contacting the material with a composition comprising a hydroxy-substituted aldehyde.

Compositions and methods useful for maintaining the structural integrity of keratin in the presence of hair bleaching agents and coloring dyes are disclosed. The compositions provide a significant improvement in minimizing hair breakage while improving hair conditioning, smoothness and styling.

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

The subject matter of the present disclosure is a hair treatment agent for reducing and/or avoiding bleeding out and/or fading of artificially produced hair colours and/or for strengthening the internal hair structure, containingrelative to the total quantity of hair treatment agent a) from about 1 to about 15 wt. % of a salt-containing component. comprising (i) at least one polyvalent salt of a fatty acid and/or (ii) at least one fatty acid (A1) and at least one polyvalent salt (A2). b) at least one cationic compound selected from cationic tensides of the group formed from quaternary ammonium compounds, esterquats and/or amidoamines and/or cationic polymers.

The present disclosure relates to cosmetic compositions comprising an organosilane (A) having the formula:
(R.sup.1).sub.n(R.sup.2O).sub.(3-n)SiR.sup.3O(CH.sub.2CH.sub.2O).sub.a(C.sub.3H.sub.6O).sub.bR.sup.4
where n is 1, 2, or 3, a1, b may vary from 0 to 30, with the proviso ab, R.sup.1 is a hydrocarbon group containing 1 to 12 carbon atoms, R.sup.2 is hydrogen or an alkyl group containing 1 to 6 carbon atoms, R.sup.3 is a divalent hydrocarbon group containing 2 to 12 carbon atoms, R.sup.4 is hydrogen, R.sup.1, or an acetyl group; and a cosmetic ingredient (B), and optionally in a cosmetically acceptable medium.

The present invention is directed to the hair care treatment compositions, including pre- and post-treatment compositions, containing select aryl alkanone compounds as quenching and/or chelating agents.