Orlane Paris Supradose retinol concentrate 30 mlOrlane Paris Supradose Retinol Concentrate is a challenge! This cosmetic gem is perfect for every woman who wants to maintain a youthful appearance. When the skin comes into contact with retinol, it is converted to retinoic acid, which is the active form of vitamin A. It supports the production of new collagen and elastin and helps speed up the skin's renewal process. The serum works in the upper and deeper layers of the skin. Thanks to regular use,