[brightcove:5474328532001 default] There's always a new skin trend popping up rumored to vanish wrinkles , smooth dimples and zap cellulite . But most turn out to be temporary tricks and, more often than not, too good to be true. Cue dry brushing—is it really worth the hype? Dry brushing, as the term suggests, quite literally entails brushing your bare skin—thighs, butt, arms, you name it—with a soft-bristled brush in order to give skin a fresher, smoother appearance . While there is scant scientific research to back up claims that it cures cellulite, it has some cosmetic benefits, explains Mona Gohara, MD, a dermatologist at the Yale School of Medicine—although they are fleeting at best. The motion improves circulation and helps flush waste and toxins by stimulating the lymphatic system , explains Dr. Gohara, who is also a fellow of American Academy of Dermatology. "Doing all of that can certainly parlay into skin radiance and glow and a plumper appearance." Anothe...