Helps with up to 100% visible flake reduction. Enriched with Piroctone Olamine and Marine Algae extracts, our Overnight Purifying Lotion helps you get a healthier scalp and beautiful hair. Moisturizes, soothes and calms itchy and irritated scalp while controlling the flakes. The actives in the formulation, loosen flake build-up and stimulate healthy turnover on the scalp surface. Leaves your scalp feeling fresh and rejuvenated. Formula researched & developed by dermatologists.