PCA - Intensive Age Refining Treatment®: 0.5% pure retinol

The ultimate retinol nighttime treatment for those concerned with aging skin, including fine lines, wrinkles and uneven skin tone. Minimize the appearance of fine lines and wrinkles, and firm the skin with retinopeptide and stem cell extract technology Strengthen skin with minimal irritation using stabilized retinol Reduce age-related skin yellowing and redness with niacinamide Uses the patented OmniSome delivery system to carry ingredients deeper into the skin for superior results.

HOW TO APPLY: 

In the evening only, apply a pea-sized 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 broad spectrum SPF during the day when using this product at night, since retinol is sun sensitizing.