Cool & Cool Whitening Face Scrub with Banana Extract and Kaolin Clay. Banana contains potassium, Vitamin E and Vitamin C that works as a cleansing agent that ends up glowing your skin, similarly Kaolin clay act as a vacuuming agent that extracts all the dirt or impurities blocking the skin, and helps lowering the skin tone. This has been formulated to provide you an instant natural whitening effect. The extract of the two ingredients penetrates deep down into pores, washes out the excess sebum and other impurities, resulting in lower skin tones.