LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...

If you're starting to notice that your skin is looking a little, well, tired, you're not alone. The visible signs of aging—I’m talking fine lines and wrinkles, dullness, even sallow skin—will strike ...

“As the neck is particularly prone to showing signs of aging due to its thinner skin and constant movement, these devices offer targeted treatment that can help firm sagging skin, reduce fine lines, ...

At-home LED light therapy devices look pretty futuristic, especially if you’ve seen someone on Instagram wearing one that made them look like a robot. But looks aside, these LED masks and tools have ...

In 2026, the beauty landscape is overflowing with futuristic tools and treatments featuring red light therapy. From helmets that promise hair growth to blankets that double as saunas, I’m starting to ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Beauty fans are likely already familiar with LED devices and the ...

They look otherworldly — like a Star Wars Stormtrooper’s helmet — and promise to give you clearer, smoother-looking skin. LED light masks are exactly what they sound like: devices illuminated by LED ...

Buying a light bulb used to be a no-brainer. Now it's a brain teaser; the transition to more energy-efficient lighting means choosing from a dazzling array of products. We've long identified bulbs by ...