CLUMA HYDRABRIGHT SERUM 1.0OZ. Benefits: Formulated with a gentle vitamin C blend and a triple-antioxidant brightening complex. Fades the look of hyperpigmentation and post-breakout marks. Improves skin's clarity and reduces blemishes. Delivers hydration instantly and over time for a clearer, brighter complexion. Dermatologist Tested. Key Ingredients: Sodium Ascorbyl Phosphate (9.0%): Helps brighten, reduces blemishes, and improves elasticity, fine lines, and wrinkles. Ascorbyl Glucoside (1.0%): Protects against UV damage and free radicals and helps improves the appearance of hyperpigmentation. Triple-Antioxidant Brightening Complex (phloretin, glutathione, and diglucosyl gallic acid): Known to help reduce hyperpigmentation. Research Results: In a clinical study with 30 people:. C-Luma increased hydration immediately by 109%. 93% had brighter skin after 12 weeks. C-Luma improved the look of hyperpigmentation and skin's texture and tone after 8 weeks.