COLOUR PRESERVATION BY MEANS OF CONDITIONING AGENTS CONTAINING REDUCING AGENTS

摘要

The invention relates to multi-component packaging units (kit-of-parts) for changing the colour of human hair, comprising a plurality of components assembled separately from each other, wherein a container (A) contains a colour change preparation (I) and a container (B) contains a conditioning preparation (II), which contains at least 0.5 wt % of a reducing agent in a cosmetically compatible carrier medium.