This retinol specifically formulated for sensitive skin reduces redness and signs of ageing, without causing irritation.Gently encourages cell turnover to minimize the signs of ageingReduces redness and uneven skin toneIdeal for those with sensitive skin or that are new to retinolReduce signs of ageing without irritation with this gentle retinol solution specifically formulated for sensitive skin. Retinol is paired with niacinamide, Inflacin® and the patented OmniSome delivery system for less irritation without sacrificing efficacy.Ingredients:Our products are scientifically developed and carefully formulated to improve the health and appearance of your unique skin. We understand the importance of formulating with the best combinations of innovative ingredients to provide you with safe, highly effective products that deliver on their promises. All of our products are free of potential irritants like synthetic dyes and fragrances. PCA SKIN does not perform or condone animal testing.Vitamin A – helps to promote a clear complexion and an even skin tone.Niacinamide – a calming antioxidant that maintains skin hydration and reduces age-related skin yellowing and rednessHexylresorcinol – helps promote an even skin tone and calm the skinInflacin® - a patented cosmetic ingredient that reduces ageing that contributes to ageingDirections for use: In the evening, apply a pea-sized amount after cleansing. Begin by limiting use to twice a week, gradually increasing application frequency to every other night, and then advancing to each evening or as tolerated. Follow with the appropriate PCASKIN® moisturizer. Mild irritation may initially be experienced and is not a sign of a negative complication. This product is indicated for use in the evening only. Daily broad spectrum sun protection is critical while using this product.