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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You've heard of red light masks and skincare wands, but did you know that this dermatologist-loved ...

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From Kaley Cuoco to Lily Collins, both real and fictional "It" girls are snapping selfies in CurrentBody's LED masks. But are they worth the splurge? Jamie Greenberg/Instagram; Netflix; Page Six Page ...

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Red light therapy (RLT) involves exposing the body to low-wavelength red or near-infrared light (IRL). Red and near-IRL differ slightly in terms of wavelength and visibility. Red light is visible to ...