You’ve probably heard of radiofrequency (RF) microneedling. You may even know it’s supposed to tighten skin. But what, exactly, is it? As the name says, the treatment combines microneedling— which ...

Radiofrequency therapy is a nonsurgical, cosmetic treatment that people use to tighten their skin and give it a more youthful look. A trained professional can provide this treatment, but there are ...