Healthy Scalp Exfoliating TreatmentA pre wash BHA exfoliating scalp treatment that works in as little as 1 minute for smooth, healthy hair with body and shine, and a fresh, balanced scalp. From the global experts in exfoliating acids, this clinical Salicylic Acid formula gently exfoliates, cleanses and purifies your scalp to remove excess oil and product build up, while helping to reduce the look and feel of flakiness, itchiness, redness and sensitivity.