Clinically proven to decrease the intensity of pigmented areas by 75% in only 3 months, iS Clinical White Lightening Serum is the key to unlocking even, brighter skin. This lightweight serum inhibits the darkening of spots, provides controlled exfoliation and gently resurfaces the skin without causing inflammation. A highly active blend of Norwegian sea kelp extracts and powerful botanical acids lighten as well as deliver anti-aging benefits, smoothing out fine lines and wrinkles.