Skin pigmentation is a condition in which the skin starts producing excessive melanin and the result is dark patches on various parts of the body like neck, arms, etc. Common factors contributing to excessive melanin production are exposure to UV rays, hormones, underlying diseases, pregnancy, and sometimes even stress. Contact with certain harmful chemicals too can get you skin pigmentation. Skin pigmentation may also be caused by less production of melanin due to damage to cells that produce melanin. In such a case, you suffer from conditions like vitiligo. People usually go for medical treatment for this condition which burns holes in their pocket. But skin pigmentation can be dealt with at home with effective home remedies that have no side effects at all. Here are some of the best home remedies for skin pigmentation.