Joico Clinicure Purifying Scalp Cleanse for Chemically Treated Hair - Cleanse the scalp of DHT and environmental residue that can contribute to hair loss, creating an optimal scalp environment for healthier, thicker-looking hair. - Biotin, vitamin B6 + nettle nourish the scalp and remove DHT. - Antioxidant Vitamins A and E + Ginkgo neutralize damaging free radicals. - Invigorating balm mint and hops cool, soothe, and improve the scalp.