Laser treatment for hair growth works by stimulating the scalp follicles, increasing the blood flow and blocking the hair loss effects of ( DHT) .In clinical studies low level laser hair therapy has been proven to stimulate cellular metabolism causing damaged cells to repair themselves. Thus, allowing the hair to regrow. Low laser hair therapy imitates the properties of sunlight to promote blood flow again to the region of the thinning hair follicle. It increases the circulation of blood and provides the surrounding tissue with more nutrients which triggers the thin hair follicle to grow back healthier and thicker.