derma roller on face before and after
What Is a Derma Roller? A derma roller is a handheld device covered in hundreds of microneedles. When rolled across your skin, it creates tiny punctures that trigger the body’s healing response. This process, called microneedling, stimulates collagen production—basically your skin’s selfrepair system. It sounds intense, but for most people, it’s tolerable and effective. Microneedling…
