The formulation contains the right dose of active ingredients to ensure maximum effectiveness and tolerability. Based on hydroxypinacone retinoate (HPR), a well-tolerated retinol derivative that offers all the benefits of the traditional molecule even for the most sensitive skins. It stimulates skin cell renewal, reduces wrinkles, and refines its appearance. Enriched with phloretin, an antioxidant molecule that inhibits hyperpigmentation mechanisms, reduces spots, and stimulates cell renewal in synergy with HPR retinol. Suitable for all skin types, including sensitive ones. Attivi Puri is a line of Collistar Clean Research® based on selected active ingredients of skin affinity, essential for the health and beauty of the skin.