Abstract: The invention provides a hair shaping composition suitable for topical application to hair, the composition having a pH of 6 or less and comprising, in an aqueous continuous phase: (i) at least 0.5% (by weight based on the total weight of the composition) of one or more silk sericins, and (ii) at least 0.5% (by weight based on the total weight of the composition) of one or more aliphatic di- or tricarboxylic acids or salts or hydrates thereof. 15 The invention also provides a method for shaping hair which comprises the steps of (a) treating the hair by topical application of a hair shaping composition as defined above, followed by (b) mechanically shaping the treated hair.

Abstract: The invention provides a method for improving the volume of hair which comprises the following steps: (i) treating the hair by topical application of a composition comprising from 1 to 25 wt % of one or more glucosamine salts; (ii) shaping the treated hair; (iii) allowing the composition to remain in contact with the shaped hair before drying. Advantageously the method of the invention does not require the breakage of the hair disulfide bonds, does not require the use of high temperature heated implements such as straightening irons, and can be accomplished by a consumer without intervention of a professional hairdresser.