American Crew Anti Dandruff Shampoo 200ml Say goodbye to dandruff….forever. American Crew Anti Dandruff Shampoo is a prescriptive product designed to treat problematic scalps. Cleanses and moisturizes the entire scalp and hair, penetrating deep enough to address the problem directly. You’ll itch no more thanks to the addition of zinc pyrithione, an active ingredient to prevent the scalp from flaking. Try it today and feel refreshed, cleansed and moisturized. What we like about it Zinc Pyrithione : no more itching, no more flaking from Dandruff Methylisothiazolinone is a antimicrobial and antifungel agent. Treats the biggest contributors that lead to scalp problems. Menthol : Cools and refreshes the scalp. How to use: Wet hair thoroughly. Massage a small amount into hair and scalp. Make sure you cover the entire scalp. Rinse well. Use 2 -3 times a week to get the most out of this product.