Home remedies to lighten dark elbows naturally

Skin is one the most important parts of our body, along that, it is the most sensitive part so it faces many side effects of the highly polluted atmosphere. Mostly, skin on elbows and knees is little darker and harder than other body parts because oil glands are not presented in these areas, causing them to be dry. There are several other reasons that make elbows skin darker like heredity,