Purify Anti-Dandruff Treatment Shampoo has been especially designed to gently cleanse all hair types while controlling the irritating effects of heavy persistent dandruff. Containing zinc pyrithione, an ingredient clinically proven to relieve the itching and flaking of the scalp associated with dandruff. Purify Anti-Dandruff Treatment Shampoo with regular usage, will cleanse the hair and scalp of surface oils without altering the hair and scalps natural moisturisers.