Proven healthy hair & scalp. Pyrithione zinc. Full & thick. Cleans to restore fullness to thinning hair. Infused with caffeine. Proven Protection: Flakes (visible flakes; with regular use), itch (associated with dandruff), oil (washes away from oil & flakes), dryness. 1) Refreshing lather - leaves scalp and hair feeling airy clean. 2) Scalp protection - from flakes (visible flakes; with regular use), itch (associated with dandruff), oil (washes away from oil & flakes), & dryness - guaranteed (Satisfaction Guarantee: If you are not satisfied return this product with a proof of purchase for a refund via a prepaid card. Call 1-800-843-3543 for further details). 3) Healthy hair - grows from a healthy scalp. No. 1 dermatologist recommended. Flake free. Up to 100% guaranteed (Satisfaction Guarantee: If you are not satisfied return this product with a proof of purchase for a refund via a prepaid card. Call 1-800-843-3543 for further details). www.headandshoulders.com. www.pg.com. Questions (or comments)? 1-800-723-9569. Made in U.S.A. of U.S. and/or imported ingredients.