Misc: Pyrithione zinc. 24 hour frizz control from root to tip. Flake free (Visible flakes; with regular use). Up to 100% guaranteed (Satisfaction Guaranteed: 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 detail). Advanced Head & Shoulders 2 in 1: You can actually feel the conditioning. Removes up to 100% of flakes (visible flakes; with regular use). Provides intense moisturizers for dry, itchy scalp. Cleans with rich, creamy lather. No. 1 dermatologist recommended. www.pg.com. www.headandshoulders.com. Questions (or comments)? 1-800-723-9569. Made in USA of US and/or imported ingredients.