Perfect for problematic and photo-damaged skin, Retinol 1.0 contains 1% pure retinol, the highest concentration available, and should be used for advanced treatment of pre-conditioned skin. Designed for maximum efficacy and stability, SkinCeuticals Retinol is formulated with highest concentrations of pure retinol available and enhanced with the latest stabilisation and delivery technologies. Studies show retinol helps with cell regeneration and building 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.