Boost your beauty with intense C15 serum. Brightens, reduces pores & dark spots. With Mastiha, Vitamin C, and Orange Plant Stem Cell Technology. Key Ingredients: 15% BV-OSC Vitamin C, Mastiha, Orange Plant Stem Cells, Hyaluronic Acid. How to Use Upon cleansed skin, apply one pump across face evenly. Some activity may be felt. Use as an evening application three times weekly. Can be combined with PRO Lite Serum for a skin brightening jumpstart. Skin Concern Hyperpigmentation, Rosacea, Acne