This micro-needling is a technique that builds collagen underneath the scars, not only this technique can be used for acne scarring but also treats fine lines and wrinkles, skin texture, pore size, brown spots, stretch marks, and pigment issues.
Nanoroller 196-needles gold plated: Sizes available : 0.25 mm, 0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm, 2.5 mm. 

NanoRoller is a device that is used for collagen induction therapy, drug delivery, rejuvenates & repair scars, and stretch marks.