



Red, blue, and near-infrared (NIR) light therapies use specific wavelengths to target different depths and conditions. Blue light (400–470nm) kills surface acne bacteria. Red light (630–660nm) boosts collagen and skin health in the dermis. NIR light (700–1000+nm) penetrates deepest to treat muscles and joints.

Light spectrum healing, particularly red and near-infrared light therapy (RLT), is generally considered safe, non-invasive, and effective for skin and tissue health when used properly, featuring few side effects. Key safety measures include wearing protective eyewear to prevent retinal damage and using FDA-cleared devices. Risks are rare but include skin irritation, burns, or excessive dryness, usually from misuse.
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