Dark Knuckle Removal Serum (50ml)This serum will help address issues like dark spots, hyperpigmentation, sun damage, and skin tone unevenness, leaving you with a beautiful, smooth, radiant, and even skin tone. 1. If you're mottled with dark knees and elbows, hiding behind long sleeved shirts and skirts, we have good news for you, don't be ashamed to show off your skin anymore, because we've brought you a Whitening essential oils for knees and elbows2. Our essential oil exfoliates