Folliroll 540-Needle Derma Roller For Scalp & Hair Growth - Ocean Blue Unlock The Full Potential Of Your Hair And Skin With The Folliroll 540-Needle Derma Roller. Featuring 540 Stainless Steel Needles, This Premium Microneedling Tool Is Designed To Maximize The Appareance Of Fuller Hair, Beard And Skin Tone. The Ocean Blue Design Adds A Touch Of Elegance While Ensuring A Comfortable Grip During Every Use. Ideal For Both Men And Women, This Scalp Needle Roller, Promotes Exfoliating Factors. Whether Used As A Derma Roller For Face Or A Scalp Microneedle Roller, It Improves The Absorption Of Your Favorite Serums.