ZO Skin Health 10% Vitamin C Self-Activating is a potent antioxidant serum that brightens skin tone, reduces the appearance of dark spots, and helps defend against environmental damage. With stabilized 10% pure Vitamin C (ascorbic acid), this 20 ml / 0.67 fl oz size provides targeted treatment for a more radiant and youthful complexion. Condition: NEW ? Authentic ? 20 ml / 0.67 oz. Key Benefits Brightens skin: Helps even out tone and fade dark spots. Antioxidant protection: Shields against free radical damage. Improves texture: Smooths and refines skin surface. Self-activating formula: Delivers stabilized Vitamin C for maximum effectiveness. Convenient size: 20 ml / 0.67 oz travel-friendly packaging. How to Use Apply 2?3 pumps to cleansed, dry skin in the morning. Smooth evenly over face and neck. Follow with moisturizer and broad-spectrum sunscreen. Best For All skin types seeking brighter, more radiant, and even-toned skin. Especially beneficial for dullness, dark spots, or early signs of aging.