$Recommended for blemished, wrinkled and sun damaged skin. Helps to reduce the appearance of fine lines, wrinkles and dark spots. Contains a formula that is clinically proven to stimulate collagen production, and neutralise free radicals reducing the appearance of fine lines and wrinkles. A concentration of pure retinol clinically proven to stimulate collagen production, repair (sun damage), and neutralise free radicals. The highest permitted concentration for home use in the EU. Only for night time application. SKINPEP® ULTRA RETINOL 0.5% helps stimulate cell regeneration and build collagen to diminish the appearance of fine lines, wrinkles and age spots from both photo and intrinsic ageing. Additionally, it helps minimise the appearance of pore size, while correcting blemishes and blotchiness often associated with problematic skin.