Formulated with pharmaceutical grade Vitamin C (L-Ascorbic Acid USP) these patented oil-free medical grade serums help correct and prevent environmental damage by neutralizing free radicals, stimulating collagen production and smoothing skin texture and tone. This highly praised family of Vitamin C serums caters to a wide variety of skin types and skin care needs including aging skin, photodamaged skin, hyperpigmented skin, compromised skin following aesthetic procedures, oily or acne-prone skin or dehydrated skin.