A powerful, lightweight vitamin C serum that visibly brightens and evens skin tone. KEY INGREDIENTS & BENEFITS: ‣ 15% Ethylated Ascorbic Acid: Helps brighten skin, reduce the appearance of hyperpigmentation, and improve signs of aging. ‣ Propanediol: A lightweight, skin-friendly ingredient that hydrates and soothes the skin. USAGE: Use after cleansing and water-based serums, before oils, suspensions or creams.