Carotone Black Spot Corrector cream helps you in the final stages of skin lightening/brightening. This cream is the best when it comes to clearing stubborn dark or discolored parts of your body. You can use this cream to lighten or brighten: Dark inner thighs, dark armpit, dark elbows, dark knuckles, dark neck, dark toes and dark knees. The cream is also highly recommended by dermatologists for stubborn acne scars and even brightening stretchmarks.