“Blue light penetrates about a millimeter into skin, where it’s absorbed by molecules called porphyrins that are present in acne-causing bacteria,” says Dr. Shamban. “Once inside these porphyrins, the ...

Red light therapy, also known as LED therapy, is trending for skin care. Here's what to know about it, according to a ...

We are usually unable to see through skin because it scatters light, in a similar way to fog ... we currently have ultrasound to look deeper inside the living body,” Ou said.

When you're in a car, train or bus, do you choose a seat to avoid being in the sun or do you like the sunny side? You can ...

these contraptions use light-emitting diodes to shine light at specific wavelengths onto the skin for various purposes like reducing wrinkles, firming the skin and controlling acne. The devices ...

“Red light wands use very low levels of red light to help improve the appearance of your skin,” explains Howard Sobel, a clinical attending cosmetic dermatologic surgeon at Lenox Hill Hospital in New ...

Inside the science of longevity ... uses specific wavelengths of red and near-infrared light to penetrate skin cells. Research suggests it can help reduce inflammation, promote collagen production, ...