The first time I witnessed the magic of , I sat in a room at a dermatologist's office, holding my sister's iced tea and watching her face bleed. (She'd gotten enough topical anesthesia to numb an elephant—don't worry.) But the results were worth it: Her skin was glowing and clear just in time for her wedding.“Microneedling is the creation of small micro-channels and injuries to your skin with acupuncture-size needles," says , M.D., a dermatologist at Entière Dermatology in New York City.
Read more on glamour.com