Perfectionist Pro Rapid Renewal Retinol Treatment 30mlTreat your skin to the renewing strength of Retinol and reveal a noticeably smoother, more even toned look. Este Lauder Research brings you a patented, modern retexturizing formula: high grade pure Retinol, blended into a stabilized delivery system to time release its power over an extended period. This creates an optimum balance of potency and comfort for proven effects, at home.