Azelaic acid has a keratolytic effect, thus reducing the formation of sebaceous glands. It also inhibits the development of bacteria responsible for the formation of acne (Propionibacterium acnes, Staphylococcus epidermidis) and the production of fatty acids, which are important in the development of acne. It also inhibits the growth and excessive activity of melanocytes. Recommended series of 4-6 shots at intervals of 7-14 days. * The price includes azelaic acid peeling and a soothing mask.