Misc: Pyrithione zinc. Proven healthy hair & scalp. Flake free (visible flakes; with regular use). Up to 100% guaranteed (satisfaction Guarantee: If you are not satisfied return this product with a proof of purchase for a refund via prepaid card. Call 1-800-843-3543 for further details). 1) refreshing lather - leaves scalp and hair feeling airy clean. 2) scalp protection - from flakes (associated with dandruff), itch (visible flakes; with regular use), oil (washes away oil & flakes) & dryness - guaranteed (Satisfaction Guarantee: If you are not satisfied return this product with a proof of purchase for a refund via prepaid card. Call 1-800-843-3543 for further details). 3) healthy hair - grows from a healthy scalp. No 1 dermatologist recommended. www.headandshoulders.com. www.pg.com. Made in USA of USA and/or imported ingredients.