Wellness influencers tout the therapy's power for everything from rejuvenating skin and hair to boosting longevity. Devices sold for at-home use abound. We look at the evidence behind the hype.
Sweeney is a contributor for TIME. Sweeney is a contributor for TIME. If you’re always on the lookout for the latest skincare gadget, you may have already tried facial rollers, sculpting wands, and ...