LABO-H Scalp Strengthening Cooling & No Sebum Water Scaler is a refreshing pre-shampoo scalp treatment designed to remove excess sebum, dead skin cells, and buildup while delivering an immediate cooling sensation. Formulated with AHA, BHA, PHA, LHA, menthol, caffeine, ceramide, and multiple forms of hyaluronic acid, it helps keep the scalp feeling clean, refreshed, and hydrated.