Gentle-strength retinol (0.2%) in a rich, hydrating night cream. Ideal for new users of retinol (vitamin A), or those who prefer retinol in a cream format. Formulated with Time Release Technology which slowly delivers the retinol overnight, Night Ritual Vitamin A is a low irritation formula which gently smooths the appearance of lines, wrinkles and the visible signs of skin aging. The creamy texture melts upon application, infusing the skin with vitamin E and moisturizing oils. Skin is left visibly smooth, supple and noticeably radiant. Medik8 recommend a simple, effective skincare strategy of using vitamin C and sunscreen in the morning and vitamin A at night. This strategy is called: CSA.