Prevalence problem of chloasma and melasma at women

Data of the literature review on the most widespread types of hyperpigmentation, in particular - chloasma and melasma are provided in this article. Melasma - the widespread pathology which is found at the women with the swarthy type of skin living in regions with intensive ultra-violet radiation. The major factors contributing to the development of melasma are the impact of ultraviolet radiation, pregnancy and change of the hormonal status, a disease of a thyroid gland, some medicines (hormonal medicines, salicylates, anticonvulsant means). In the Kyrgyz Republic quite intensive level of ultra-violet radiation, especially during the summer period. Melasma or a Chloasma - the acquired pigmentation of an uneven form which is located generally in a face and a neck, as a result of a violation of the hormonal status. Melasma is more often shown during pregnancy, reception of contraceptives, new growths of ovaries, etc. Process of hyperpigmentation is connected with changed ratios of estrogen and progesterone and also the action of ultra-violet radiation...