Bestow a luminous glow with Medik8 Crystal Retinal 10, a nourishing overnight treatment expertly formulated with a powerful vitamin A derivative that works to visibly enhance the complexion. Enriched with a blend of hyaluronic acid, glycerin and vitamin E, the high performance serum replenishes high levels of moisture to the skin to create a visibly plumped texture and soften the appearance of fine lines.