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What is LED therapy?

In light-emitting diode (LED) therapy, visible light in different color wavelengths are directed at skin surface.

What it's best for: Depending on light (red, blue, yellow, or a combination), it's said to improve acne, lines, and wrinkles; speed healing; stimulate new collagen; improve pigmentation and texture.

Average cost: $100 per treatment.

Number of treatments: Eight to 10 (one to two treatments per week).

Risks and recovery time: None.

Inside scoop: Painless, but results are negligible and clinical evidence is weak.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.