Contains Obagi’s unique ingredient “Stem Base Alpha” developed through unique dermatological research. The fine, soft foam removes dead skin cells and excess sebum, leaving your skin clear and free of dullness. How to use After wetting your face, take an appropriate amount (2-3 cm) onto clean palms and add a small amount of water to create a generous lather. Wash your face by wrapping the foam around it, then rinse thoroughly with cold or lukewarm water.