Red light therapy, also known as LED therapy, is trending for skin care. Here's what to know about it, according to a ...
white Nanometers 640 nm (red),532 nm (green), 423 nm (blue), 690 nm (purple), 490 nm (cyan), 583 nm (yellow), 510 nm (white) In-office LED lights operate at more powerful strengths than at-home ...
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