Paraben free. America's no. 1 dandruff shampoo (based on volume sales). Proven Protection: flakes (associated with dandruff); itch (associated with dandruff); oil (washes away oil & flakes); dryness. 1. Rich lather - leaves scalp and hair feeling airy clean. 2. Scalp protection - from flakes (associated with dandruff), itch (associated with dandruff), 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.