P1 Sebum-Regulating Shampoo is designed for oily scalps or excess sebum. Its purifying formula helps cleanse the scalp and hair effectively while providing a long-lasting feeling of freshness and lightness. Helps reduce excess oil Purifies scalp and hair Provides a refreshing sensation Helps extend time between washes Leaves hair feeling light and clean HOW TO USE Apply to wet hair and gently massage the scalp. Leave on for a few minutes, then rinse thoroughly. Repeat if needed.