Pyrithione zinc. Starts at the scalp for beautiful hair. Basic cleaning for normal hair. For frequent use. Advanced 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’ No. 1 selling shampoo (base