Product Description: Radiance Serum is a glow-boosting, skin brightening antioxidant serum formulated with 8% L-Ascorbic Acid USP (Vitamin C), 2% Arbutin, and Resorcinol ideal for all skin types. It targets unwanted dark spots, dull and uneven skin tone, and other visible signs of aging. Level 2 Brightening & Hyperpigmentation Correction Level 1 Fine Line & Wrinkle Smoothing Oil-free & hypoallergenic The pharmaceutical grade Vitamin C in this formula, L-Ascorbic Acid USP, is the purest, most potent, and bio-available form of Vitamin C available. Traditionally difficult to stabilize in formulations, this gold-standard ingredient is a cornerstone of Radiance Serum, made possible by our exclusive IntraDermal System (IDS)®. This proprietary delivery system protects the Vitamin C and enhances penetration into all skin layers, with 2x more Vitamin C retention in the skin overall and 4x more in the dermis, while resisting oxidation to maintain maximum potency and consistent, visible results. Ingredients: Propylene Glycol, Pentylene Glycol, 1,3-Butylene Glycol, Water/Eau, L-Ascorbic Acid USP, Ethoxydiglycol, Alpha-Arbutin, Alcohol, Citrus Grandis Fruit Extract, Parfum/Fragrance, 4-Butylresorcinol. Directions: For best results, apply Radiance Serum twice daily to clean, dry skin.If desired, you may apply your favorite Vivier eye cream before use.Place 2 to 3 drops of Radiance Serum in the palm of your hand and use fingertips to apply a thin layer to face, neck, chest, and back of hands as desired, once or twice daily.Once Radiance Serum is fully absorbed, finish your skincare routine:AM: Apply other target products, moisturizer and sunscreen.PM: Apply other target products and moisturizer.To maximize product shelf life, store your serum in a cool, dark place and ensure the dropper cap is tightly sealed after each use.