“Using an at-home mask is like going to the gym,” says Shereene Idriss, MD, a board-certified dermatologist and founder of Idriss Dermatology in NYC. To truly see any skin care benefit, you need to ...

These light-emitting devices are all over the internet. We asked experts if they can reduce wrinkles, clear acne and more. By Melinda Wenner Moyer You’ve probably noticed this scene on social media: ...