Radiofrequency also uses a handheld device to heat the skin for a tightening effect. “With radiofrequency, we heat the skin at a more superficial level to trigger collagen production. There’s really little to no downtime. As with ultrasound treatments, it can feel really hot—it’s like a hot stone massage. It’s also a gradual process, so while you can be in and out of the office in under an hour, you’ll need two to six treatments usually (depending on the size of the area you’re treating, delivered 7-10 days apart,”