Luxurious anti-dandruff shampoo formulated with our highest 3% salicylic acid concentration. Fragrance-free, alcohol free. Salicylic acid helps remove excess oil and dead skin from the skin surface. Neutrogena Scalp Therapy Anti-Dandruff Extra Strength shampoo penetrates deep into the skin surface to help get rid of flakes while moisturizing dry scalp. You can use the shampoo to control symptoms of dandruff, or on a regular basis to help maintain your scalps moisture levels and help prevent recurrence of dandruff.