2.3 Oz. DIRECTIONS After cleansing, gently massage a small amount on damp face and neck 2-3 times/week to start building up to every day use; dry + sensitized skin may require less use. Rinse thoroughly. KEY INGREDIENTS Ultra-fine magnesium oxide crystals Slough away dead skin cells Tetrahexyldecyl ascorbate Stable vitamin c that works deeper in skin to minimize the appearance of future dark spots Reference Above From ZoSkinHealth Website