It is a common condition that makes some areas of the skin darker than others. Hyperpigmentation can appear as brown, black, gray, red or pink spots or patches. The spots are sometimes called age spots, sun spots or liver spots. The spots can occur in just one area of the body or all over. Skin gets its color from a substance called melanin, which is made by skin cells. When those skin cells are damaged or unhealthy, the can produced too much melanin can clump, causing that area to appear darker. After diagnosed the reasons properly, your healthcare provider may suggest some lifestyle changes like avoiding sun, stopping any medications that may be causing it, taking vitamins, and sunscreen. He may also recommend prescription like Azelaic acid, Glycolic acid Hydroquinone, Kojic acid, Tretinoin, vitamin C or B3. Many products claim to lessen hyperpigmentation. So talk to your doctor first to see what products are effective and right for you. Other treatments may include Chemical peels, Laser skin Resurfacing.