What it is: A high-potency vitamin C serum designed to help improve the look of wrinkles, brighten skin's complexion and support the microbiome while guarding against free-radical damage.What it does: This treatment serum features a patent-pending encapsulation delivery technology, which was carefully developed to help preserve the efficacy of antioxidants in high concentrations against environmental aggressors such as light, air and heat, which cause oxidation. How to use: Dispense 3–4 drops onto clean skin. Massage in gently using your fingertips. Use once or twice per day. Apply before your moisturizer and follow with sunscreen. Be sure to avoid using other acids when using this product. 1 oz. Paraben-free; sulfate-free; phthalate-free; gluten-free; soy-free; fragrance-free Cruelty-free Vegan Made in the USA