Nanosome Technology: DS Laboratories formulas feature our proprietary Nanosome Technology. This technology used for encapsulation allows for the continuous release of the active ingredients creating higher efficacy with longer lasting results. How To Use: After facial cleansing, apply 2-4 pumps of Advanced Antioxidant Serum to dry face, neck and neckline. Use daily in the evening before other skincare products. Prior to using our Advanced Antioxidant Serum apply a small amount on skin 24 hours prior to regular use to be sure that our formula is a good fit for your skin. Dermatologist Formulated: Free of Parabens, Fragrances, BHT, BHA, Nanos and PEGs our formulas are created using science-backed, effective, high-quality ingredients that are suitable for all skin types. Our Advanced Antioxidant Brightening + Restoring Serum is 100% vegan and not tested on animals. Younger Looking Skin: Our clinically proven skin serum helps to protect against environmental damage caused by free radicals that causes the premature aging of skin. This brightening serum restores the youthful glow to the skin's complexion and improves overall texture. Antioxidant Serum For Face: Our Advanced Antioxidant serum features a combination of 15% pure Vitamin C, Ferulic Acid, and Acetyl Octapeptide to reduce the signs of aging and photodamage, along with reducing the appearance of fine lines and wrinkles, and the loss of firmness by tightening the skin.