The present invention relates to a product for coloring and/or lightening keratinic fibers, more particularly human hair, and to a method for employing this product. The product of the invention comprises three compositions, which are kept separate from one another until being employed. The invention further relates to the use of this product for improving absorption of color in the coloring of keratinic fibers, the use thereof to enhance the wash stability of colored keratinic fibers, and the use thereof to enhance the conditioning of keratinic fibers.