Add Yahoo as a preferred source to see more of our stories on Google. LED masks use specific wavelengths of light to penetrate the skin and trigger cellular changes, according to dermatologist Dr.

LED technology has been used by dermatologists for decades to treat an array of skin issues from acne to sun damage. Sellers of the at-home beauty devices, which can cost up to £400, claim LED masks ...

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New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. A collage of two women wearing LED Face Masks.