Hair mesotherapy is injection of drugs containing substances like vitamins, minerals, proteins, etc. needed by the hair into the hairy scalp using ultra-thin needles. This procedure may be applied to both women and men in order to prevent and control hair loss. Satisfactory and effective results are obtained especially in hair loss due to stress-related, seasonal and metabolic hair losses and sudden hair losses formed following the pregnancy. The procedure is performed in courses of 10 to 12 session depending on the need of hair, although it varies among people. With hair mesotherapy, more voluminous and glossy hair by overcoming the deficiencies of substances required for hair development.