RoC Pro-Correct Anti-Wrinkle Rejuvenating Concentrate Intensive 30ml RoC Pro-Correct Anti-Wrinkle Rejuvenating Concentrate Intensive has the following features: This formula contains the highest concentration of Retinol - more than twice as much as the concentration in the fluid and the cream. This effective concentrate visibly corrects fine lines and wrinkles, even deep. After 1 year, visibly reduces 51% of cheek wrinkles, 35% of crow’s feet wrinkles and 29% of forehead wrinkles. It is powered by a combination of 2 of the most dermatologist-acknowledged anti-ageing technologies: Retinol and Hyaluronic acid - cocktail of ingredients that has shown efficacy in helping reduce the visible signs of collagen and elastin loss, and fight against the appearance of wrinkles. Its fluid and light texture penetrates rapidly, enhancing quick absorption of skin.