Derma Roller from the French Dermacoal. It is a hand-held device for home use. Trade on 64 premiums of 24k gold-plated titanium and sterile glass vials. This makes the Gold Roller ideal for facial and hair treatments It stimulates collagen production and reduces sagging skin and acne scars. (UV) and on the body. Great effectiveness in delivering treatments to the skin. 24k gold-plated micro needles.