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.

Method for simultaneously and permanently reshaping and coloring keratin fibers, particularly human hairs, in a single process in which the keratinic fibers are first waved by way of a foam-type waving agent (M1) and then lightened or colored by way of a foam-type coloring agent (M2). The permanent wave is simultaneously fixed by the oxidizing agent included in the oxidative dyeing agent. The method according to the invention brings about a uniform waving and coloring result and causes little or no damage to the hair.

Method for simultaneously and permanently reshaping and coloring keratin fibers, particularly human hairs, in a single process in which the keratinic fibers are first waved by way of a foam-type waving agent (M1) and then lightened or colored by way of a foam-type coloring agent (M2). The permanent wave is simultaneously fixed by the oxidizing agent included in the oxidative dyeing agent. The method according to the invention brings about a uniform waving and coloring result and causes little or no damage to the hair.

The disclosure relates to compositions for treating keratinous substrates, such as the hair, comprising 3-butoxypropylamine and at least one carboxylic acid, as well as systems and methods for treating keratinous substrates with the compositions.

The present invention relates to an agent for oxidatively coloring or blonding hair that is gentle on the hair, and to a gentle method for oxidatively coloring or blonding hair, in which keratin fibers are protected from oxidative influences.

The instant disclosure relates to methods for treating hair, for example, methods for imparting desirable cosmetic properties to the hair, especially hair treated with a chemical treatment composition. The methods include: applying a hair-treatment composition to chemically treated hair, for example, within 30 minutes from when a chemical treatment composition is rinsed from the hair, the hair-treatment composition comprising: one or more polyurethane latex polymers; and rinsing the hair-treatment composition from the hair within 30 minutes from applying the hair-treatment composition to the hair.

After rinsing the hair-treatment composition from the hair, the hair may be subsequently dried and styled.

The present invention relates to a process for permanent shaping and dyeing carried out one after another with compositions providing improved and milder shaping and dyeing of hair, especially human hair. The inventors of the present invention have unexpectedly found out that when commonly used permanent shaping and dyeing compositions are mixed with another composition comprising predominantly carboxylic acids, the permanent shaping and dyeing effects of the compositions are improved, homogeneous permanent shaping and dyeing of hair fibers is achieved and natural cosmetic properties of hair are maintained.

The present invention relates to a process for permanent shaping and dyeing carried out one after another with compositions providing improved and milder shaping and dyeing of hair, especially human hair. The inventors of the present invention have unexpectedly found out that when commonly used permanent shaping and dyeing compositions are mixed with another composition comprising predominantly carboxylic acids, the permanent shaping and dyeing effects of the compositions are improved, homogeneous permanent shaping and dyeing of hair fibers is achieved and natural cosmetic properties of hair are maintained.

The present invention relates to a process for improved and milder permanent shaping of hair, especially human hair. It has been found that when commonly used permanent shaping compositions are mixed with another composition comprising predominantly carboxylic acids, the permanent shaping effect of the composition is improved, homogeneous permanent shaping of hair fibers is achieved and natural cosmetic properties of hair are maintained.

The present invention relates to a process for improved and milder permanent shaping of hair, especially human hair. It has been found that when commonly used permanent shaping compositions are mixed with another composition comprising predominantly carboxylic acids, the permanent shaping effect of the composition is improved, homogeneous permanent shaping of hair fibers is achieved and natural cosmetic properties of hair are maintained.