With hydrazinc formula. Pyrithione zinc. Starts at the scalp for beautiful hair. Basic cleaning for normal hair. For frequent use. Scalp Care for Beautiful Hair: H&S hydrazinc formula relieves scalp dryness, itch, irritation and helps prevents flakes. Clean, Manageable Hair Everyday: Double-duty formula cleans and conditions hair in one easy step; pH Balanced for everyday use - even for permed or color-treated hair. of US and/or imported ingredients.; From the collection featuring the United States’ #1 selling shampoo* (*based on 2006-07 dollar share); Formulated with a fresh, clean scent; Can help keep hair clean, manageable and 100% flake free** (**visible flakes with regular use)