It is ideal for problematic and sun-damaged skin that has already used some retinol before. Formulated with the highest concentration of 1.0% pure retinol, this night cream is enhanced with the latest stabilization and delivery technologies to ensure consistent, consistent release of the highest concentration available. Retinol 1.0 has been proven to diminish the appearance of fine lines, wrinkles, and skin discoloration while minimizing breakouts and the appearance of pores.