Scalp Advanced Anti-oiliness 2-in-1 deep purifying clay has been specifically formulated for oily scalps. This versatile multi-purpose clay deeply unclogs residue, sweat, and sebum when used as a shampoo, and deeply purifies residue, sweat, and sebum when used as a mask. Hair feels lightweight and volumised. Concentrated with 3% AHA, a water-soluble acid. It helps purify the scalp's surface, promoting cell regeneration. Created with hair professionals, approved by dermatologists.