Nicotinic acid (niacin), also known as vitamin B3, is directly involved in redox processes and the production of vital enzymes for the body. Nicotinic acid penetrates the hair roots and dilates blood vessels, stimulates blood circulation and metabolism in the hair bag, accelerating hair growth. Vitamin B3 has a complex effect, helps to saturate the hair follicles with oxygen and strengthen the hair, stopping the process of hair loss. Nicotinic acid also has a drying effect and helps normalize the activity of the sebaceous glands. The method of application is applied to the clean scalp, the hair is parted and distributed over the entire surface with massage movements. Do not wash. Use 1 time in 3 days.