The Medik8 Crystal Retinal 6 is a nourishing night serum formulated with a potent vitamin A derivative. The formula works to enhance the appearance of your skin's texture, tone and overall radiance. Supported by a blend of hyaluronic acid, glycerin and vitamin E, the serum delivers moisture to the skin, helping to plump the look of fine lines. Apply as part of your evening skincare ritual to promote a firmer-looking complexion with a healthy-looking glow. Vegan.