This clarifying exfoliator is designed to revive dull, tired, and sensitive skin. The active ingredients will work to gently buff away dead skin cells, helping leave skin purified and glowing.. The Science. • Probiotics work to soothe inflammation, strengthen the skin's barrier, and diminish blemishes.. • Described as more delicate than AHAs and BHAs, PHAs are an exfoliating acid that works to hydrate the skin, enhance skin cell turnover, thereby helping to reduce the appearance of fine lines and wrinkles.. • Oat Extract works to provide instant relief to irritated skin by helping restore moisture to the skin and forming a protective barrier on the surface of the skin to further protect it from free radicals.