If no apparent reason, it is best to seek the advice of professionals. If the origin of the spots associated with some internal diseases, for example, diseases of the liver, thyroid, pituitary, gonads, nervous system, etc., the stain removal will occur in conjunction with treatment of the underlying disease.
Avoid exposure to skin factors such as excessive ultraviolet radiation. Use sunscreen, means that suppress the production of melatonin, a cosmetic with retinol, arbutin, vitamin C. Cosmetic products should contain plant oils with UV filters.
Stains can be removed using various bleaching agents. For example, they can be lubricated twice a day with a mixture of hydrogen peroxide (50 g of a 3% solution) and ammonia (2 g). A cotton swab with this mixture is applied to a quarter of an hour on the pigment stain.
Quite an effective means of whitening the skin are the juices of lemon, red currant, onions, grapefruit, and sauerkraut. Soaked in these juices napkin are put on the spot at the quarter hour positions. Another method: bleaching of stains by means of a mixture of equal parts vinegar, lemon juice and water. Improve color of skin of white clay, parsley, cucumber juice.
Spots from pimples, you can try to wipe tincture of Hypericum. It is prepared from 2 tablespoons of dry grass and glass of alcohol. Infuse medication followed by 10 days in a dark place, and then use every day for protyani.
Simultaneously with exposure to patches of different cosmetic products do not forget about replenish the body with vitamins A, PP, C and enzymes, which play a significant role in ensuring the correct skin pigmentation.
To get rid of pigmentation can help in beauty clinics, where applicable:

-Chemical peels based on fruit acids, which removes cells with excess pigmentation and stimulates the formation of new layer of skin.

-Createstyle, in which liquid nitrogen freezes the surface layer of skin. Some time after the procedure, the surface of the skin with patches of dark and rejected. This method is considered the most effective in case of age spots.

Treatment with a laser, when aimed light wave destroys the excess melanin in the upper layers of the skin.

Dermabrasion, which is similar to the result with other methods (here, too, carefully removed the top layer of skin and stimulates the regeneration of new tissues).

-Photorejuvenation – the warming effect of light energy on the skin.

After application of the cosmetic methods of removing stains should be avoided contact with the treated surface of the skin to the sun's rays cover these areas of the body with clothing and apply appropriate creams for two weeks.