Rodan + Fields Award-Winning Amp MD Dermaroller Dr. Linkner's go-to tool is the Rodan + Fields Award-Winning Amp MD Dermaroller ($227). This product comes with a self-cleaning system that keeps the dermaroller's needles sterile and also includes an intensive serum which is a great over-the-counter product because it's effective while also being gentle on skin. Image Source: rodanandfields.com Rodan + Fields Award-Winning Amp MD Dermaroller $227 from rodanandfields.com Buy Now