Perricone MD's Acne Relief Retinol Treatment & Moisturizer absorbs instantly to control excess oil and help heal blemishes while you sleep. A powerful combination of retinol, citrulline and niacinamide helps to encourage faster surface skin exfoliation and renewal, which in turn visibly calms skin and reduces redness and imperfections overnight without drying out the skin. Key Ingredients: Retinol: an ultra-powerful, non-prescription Vitamin-A derivative that helps prevent breakouts by unclogging pores and accelerating surface skin exfoliation and renewal. A unique slow-release carrier system helps preserve this unstable ingredient Niacinamide: also known as Vitamin B3, is found in foods such as tomatoes. This skin-clearing powerhouse helps to gently and visibly erase imperfections, unclog oily pores and minimize the redness and uneven tone that can be left behind after breakouts Citrulline: first discovered in watermelon, is an alpha-amino acid that visibly calms skin for a clearer, more even-looking complexion. Nourishing and soothing, it is an ideal way to counteract the drying effect of anti-acne ingredients Key Benefits: Absorbs instantly to control excess oil Helps to heal blemishes while you sleep without over-drying the skin Reduces redness, while gently and visibly erasing imperfections overnight Tip: The Retinol Treatment & Moisturizer is Step 2 in your night regimen, after cleansing. | Perricone MD Acne Relief Retinol Treatment Moisturizer, 2 fl. oz | Dermstore