Patent ID: 8430935

Claim:
A multi-component packaging unit comprising: a first container (C1) containing a color changing preparation (CCP) comprising, in a cosmetic carrier, a color-changing component; a second container (C2) packaged separately from the first container (C1) and containing an oxidizing agent preparation (OAP), wherein the oxidizing agent preparation (OAP) comprises at least two phases separated from one another, wherein: a first phase (I) has an aqueous phase that comprises, in a cosmetically acceptable carrier, a chemical oxidizing agent and an anionic polymeric thickener chosen from homo- and copolymers of acrylic acid and methacrylic acid; and a second phase (II) has a hydrophobic phase that comprises an oil chosen from paraffin oil, liquid carboxylic acid esters of C 2 to C 8 monoalkanol with a mono- or dicarboxylic acid, and combinations thereof.