PCA Skin Intensive Brightening Treatment (0.5% Pure Retinol Night) 1 oz

Use in the evening only.
Apply a small amount after cleansing. Use twice per week, gradually increasing application frequency to every other night, and then advancing to each evening or as tolerated. Follow with the appropriate moisturizer.
Note: It is important to wear a sunscreen during the day when using this product at night, since retinol is sun sensitizing.