An Anti-Oiliness 2-in-1 deep purifier clay. Sebum oxidation and micro cracks on the scalp surface can create oiliness and residue build up. It's a vicious cycle and you want out. Concentrated with 6% Clay, the fine-grained active ingredient can do a soft peel on the scalp to help unclog the scalp surface from dirt, oil and sweat. Use as a shampoo or a mask. Deeply unclogs and removes residue, sweat and oil when used as a shampoo. Deeply purifies from residue, sweat and oil when used as a mask. Key features: Reduces oiliness and residue Instant scalp relief Contains dermatological actives Scientifically proven efficacy: Up to 78% less scalp sebum* Up to 70% less hair sebum** more volume*** *instrumental test, shampoo + clay **instrumental test ***instrumental test | L'Oreal Professionnel Serie Expert Scalp Advanced Anti-Oiliness 2-in-1 Deep Purifier Clay for Oily Scalps 250ml Double in Clear