PROMOTING HAIR GROWTH Microneedles can open tiny channels in the skin in a short time effectively penetrate the skin to receive nutrients activate the bodys natural healing process and thus produce collagen which is important for hair growth and helps the skin and Absorption of beard growth products SAFE AND PAINLESS Our Beard Growth Roller have 05mm025mm1mm15mm needles which are the best length to stimulate hair growth at home The process is not painful as it only requires gentle pressure HIGH QUALITY MATERIAL Beard roller adopts elastic silicone roller alloy rigid material suitable for skin care not easy to break and bend effectively improve various skin problems Microneedle rollers can shrink pores firm and rejuvenate skin lighten dark spots repair acne scars and more THICKER HEALTHIER BEARD HAIR Our Beard Growth Roller stimulates the dermis and stimulates hair follicles thereby inducing collagen production in the skin Similarly Beard Roller can also promote hair growth and reduce baldness Essential tools for mens hair growth Derma roller hair growth men EASY STORAGE AND CARRY Every derma roller has a transparent plastic case you can put your roller in it after using and carry you roller for travelling