Perricone MD Vitamin C Ester Brightening Cleanser. Full 6oz size plus a 20z travel size. New, unopened, and in the original package. Brighten up your cleansing regimen with the best brightening wash for oily as well as normal skin. Our Citrus Brightening Cleanser is a non-drying formula that cleanses without stripping the skin of natural oils. This fresh vitamin C cleanser is formulated with our proprietary Vitamin C Ester, a more potent and less irritating form of vitamin C, to visibly smooth and brighten.