Resorcinol derivatives in compositions for simultaneous reshaping and coloring of keratinous fibers

A method for reshaping and coloring human hair, the method comprising the steps of:

• (I) preparing a ready-to-use reshaping and coloring agent by mixing a preparation (A) with a preparation (B), preparations (A) and (B) being defined as follows:
• the preparation (A) contains, in a cosmetic carrier,
• (A1) one or more resorcinol derivatives from the group comprising resorcinol, 2-methylresorcinol, and 4-chlororesorcinol, and
• (A2) one or more oxidation dye precursors from the group comprising p-phenylenediamines, p-aminophenols, 2,4,5,6-tetraaminopyrimidines, 4,5-diaminopyrazoles, and/or the physiologically acceptable salts thereof, and
• the second preparation (B) contains, in a cosmetic carrier,
• (B1) hydrogen peroxide,
• wherein the molar ratio of all resorcinol derivatives (A1), contained in preparation (A), to all developer-type oxidation dyes (A2), contained in preparation (A) define the molar ratio (A1)/(A2) having a value of at least about 1.2;
• (II) applying the ready-to-use reshaping and coloring agent to the hair;
• (III) mechanically and chemically reshaping the hair;
• (IV) rinsing the hair;
• and
• (V) optionally drying the hair.