111SKIN Radiance Concentrate Serum An illuminated complexion is just seven days away with this intensive resurfacing system. The natural acids in the concentrate remove dead cells while simultaneously treating your skin to actives that improve dullness, revealing the natural radiance that lies beneath. Powered by optimum doses of Citric, Tartaric and Lactic acids, this unique, science backed formula gently dissolves the bonds that bind dead skin to the surface. Formulated with isolated Yeast Proteins to illuminate your freshly renewed skin by halting free radicals and allowing powerful peptides to work deeply below the surface to brighten and refresh your skin.