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Does LED light therapy work?

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LED light therapy, developed by NASA, works by sending packets of light deep into the skin to boost collagen production and treat mild to moderate acne, according to Anitra Brown for About.com. The treatments are sometimes referred to as LED blue light, LED red light, Revitalight, Dermawave, etc.

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LED stands for light-emitting diodes, notes Brown. The red light LED stimulates collagen production, giving skin a plumped look. Blue LED kills bacteria deep in the skin that causes acne. Professional LED machines can also reduce wrinkles, fine lines, sun damage and stretch marks. Results are not as dramatic as plastic surgery or laser treatments, but the process is less expensive, more natural and gentler to the skin.

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