No more beards: The beard roller head consists of 540 titanium needles (0.5 mm). When used, these needles cause "micro-damage" to the skin and hair follicles. This process initiates the production of collagen, which stimulates beard growth by promoting blood circulation and keratin production. Affordable Gift - It can help you save more time and money for your skincare at home. Also a great gift for family and friends! Orders: The Beard Roller is small and practical with a dynamic design. The Beard Roller features a Beard Roller head attached to a sturdy, durable hinge for total control and precise placement of cheeks, sideburns, and beard hair. With its optimized technology, Beard Roller brings hardness, density and tensile strength to beard growth. Stimulation: Beard rollers penetrate the surface layers of the skin, creating thousands of microscopic channels and activating new hair follicles and tissue through the body's natural healing process. Therefore, it activates the hair follicles of the beard, increases blood circulation and stimulates the skin.