“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 ...

LED face masks offer a host of transformative skin benefits—they can reduce redness, treat acne, and minimize the look of fine lines, wrinkles, and discoloration. Even better, they don’t require a lot ...

What Is Therapeutic Light Therapy? Therapeutic light therapy, also called phototherapy, is a form of treatment for certain types of depression, sleep disorders, and other conditions. It involves ...

Bright light boxes mimic natural light. We asked experts if they worked. Ask Well Bright light boxes mimic natural light. We asked experts if they worked. Credit...Eric Helgas for The New York Times ...