How Different Hues are Used for Light Therapy

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Light therapy is emitted in different wavelengths, and these wavelengths result in various colors. “Each wavelength has a different absorption characteristic in the skin, so between 400nm and 700nm, there will be a number of unique properties that go along with each,” says Sean Johnson, marketing manager at Aerolase. Take a look at this quick cheat sheet to understand what each color treats.  

  • Blue (420nm) and yellow (590nm) kill acne bacteria. 

 

  • Red (630nm, 650nm and 670nm) is the most popular color and is used for treating acne, boosting collagen production, reducing inflammation, and minimizing fat. “Red light stimulates mitochondria activity and helps increase cellular function,” says Mike Poling, president and CEO of Lightwave. This helps repair skin damaged due to trauma, photo and environmental damage, aging, and more.  Additionally, he says, “Monochromatic red light is highly recommended post blue light to help remove the free-radical byproduct left over from the blue light.”

 

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  • Green (535nm) treats pigmentation and vascular issues. 

 

  • Near infrared light (NIR) (750nm – 2,500nm) is used for dermal repair and tissue regeneration. “NIR is growing, but many still associate red light as the gold standard. Both are crucial for proper treatment,” says Poling. 

Read More: The Debate About At-Home LED Devices & Celebrities Are on Board With This Hot Wellness Trend

 

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