When (and how) to use Retinol 1.0 by SkinCeuticals

1. In the evening, apply a pea size amount to clean dry skin, avoiding the eye area. 2. Allow product to absorb before applying other skincare products. 3. Limit initial use to once or twice a week, gradually increasing frequency to every other night, then every night as tolerated. 4. Always wear sunscreen during the day.