Titanium Micro Needle Rollers are engineered from pure titanium alloy and feature gold-plated needles. Titanium Rollers offer superior durability and are optimal for use on the legs, back, and stomach.Skin Roller therapy (also referred to as skin needling, dermal rolling and micro-needling) is performed with 192 high-grade medical stainless steel micro needles mounted on a small wheel that gently rolls over the face and painlessly penetrates the skin’s upper surface. This simple but revolutionary treatment provides multiple benefits.