This shampoo purifies your scalp and hair from residue, sweat and oil, leaving your hair feeling fresher and cleaner. Concentrated with 3% AHA, water-soluble acid, this shampoo helps to purify the surface of the scalp so that new cells can generate. Stock up and save with this 500ml Supersize. Key features: Reduces oiliness and residues Provides instant scalp relief Contains dermatological actives Scientifically proven efficacy Brings more volume to the hair Up to 78% less scalp sebum in one use* *instrumental test, shampoo + 2-in-1 Dermo Purifier