Tip: Use with our Hyaluronic-Acid Serum for Best Results. Find it HERE Facial Microneedle Roller System - Advanced Therapy (0.5mm depth) features extremely fine needles that gently penetrate the skin just enough to stimulate collagen and elastin production, which helps to result in smoother, firmer, healthier, and younger-looking skin and reduce the signs of aging. ORA Microneedle Roller System helps reduce the appearance of scars from injury or acne, fine lines, wrinkles, stretch marks, and o