Dark spots or pigmentation on the skin is not uncommon in both men and women. Though there are several home remedies and treatments available these days to get rid of it you may want to know what is really causing skin pigmentation. You will be surprised to know that everyday habits are the number one cause of this skin problem. We list down 10 such factors. Cooking Anything that causes excess heat can lead to pigmentation. If your skin is prone to it you may want to avoid cooking on high flame as it can produce intense heat. If this