What exactly is microneedling, and is it safe? Microneedling is a minimally-invasive cosmetic procedure that is used to improve fine lines and wrinkles, acne scarring, and pore size. It can be used effectively in most body locations including for wrinkles around the mouth and eyes, as well as thin skin of the hands and neck. Overall, it helps to improve the texture of the skin. With an experienced, board-certified dermatologist, microneedling is a safe and effective treatment.