La Roche-Posay Biomedic Retinol has three revolutionary Retinol formulas with a customizable step-up system. The BioMedic Retinol lotions are available in three different strengths of Retinol to allow patients to work their way up to the highest strength. These silky, lightweight lotions are non-irritating and great for evening out skin tone, smoothing out fine lines and wrinkles, and preventing breakouts. Retinol 60 contains .60% Retinol, perfect for those who are ready for an advanced Retinol routine. 1 fl. oz.