Microneedling is a cosmetic procedure. It involves pricking the skin with tiny sterilized needles. The small wounds cause your body to make more collagen and elastin, which heal your skin and help you look younger. You might also hear it called collagen induction therapy.The microneedling pen's needles produce micropunctures in skin that can enhance the absorption of skincare products and cause an increase in collagen production, which can minimize fine lines and scarring from causes like acne over time, among other benefits. Almost Painless