Open the side of the connector with the two small holes. Insert the red and black wires into the holes, ensuring proper ...

Shop the best LED face masks and devices, per celebrities and dermatologists, from brands like CurrentBody and Foreo. Plus, experts discuss the benefits and risks of red light therapy.

Here are some of the best LED light therapy masks & devices for the face, neck, hands and scalp for treating dark spots, fine lines, wrinkles & acne.

How do LED face masks work? LED face masks use different wavelengths and types of light to get beneath the skin and target different concerns, such as acne or collagen production.

Are LED headlights legal? Generally, yes, LED headlights are legal in the U.S. and much of Europe. However, after-market headlights may not be. Is there a limit to how bright headlights can be?

“The use of light on skin is not a new technology, but as LEDs have improved and become more efficient, so have LED-based technologies,” Mike Poling, president of Lightwave, and a 16-year ...