-20% KÉRASTASE CHRONOLOGISTE PRE-CLEANSE REGENERANT Shampoo Regular price €40.50 -20% Price €32.40 Youth-revitalizing purifying pre-shampoo to deeply cleanse the scalp and roots. Used before shampoo, it removes up to 96% more pollutingparticles than a normal shampoo. Hyaluronic acid helps hydrate and moisturize.