Henna is 100% natural, very safe for children and pregnant women, and works to improve the scalp. It contains herbs that nourish the hair, stimulate its growth, stimulate blood circulation, work to lengthen the hair, soothe the scalp from itching, eliminate dandruff and lice, and work to moisturize the hair, regulate fatty secretions, and enhance its growth. It is placed on the hair for 4 to 6 hours, from roots to ends, once a week