Choose the light therapy color based on your desired results. “For example, someone with acne-prone skin might consider adding bacteria-killing blue-light therapy into their blemish-fighting skin-care routine, which would already include steps like cleansing, toning, and using topical acne-fighting serums formulated with retinol or AHAs/BHAs,” advises Palm. Below, more on the benefits of the most popular light therapy wavelengths.
Red: Red light is the most popular wavelength—“often used for anti-aging benefits as it has been shown to stimulate collagen production as well as decreasing inflammation, promoting healing and improving circulation,” per Murphy-Rose.
Infrared: “Near-infrared light has similar benefits as red light therapy but penetrates deeper into the skin,” Murphy-Rose continues. It is often considered a more powerful treatment for wrinkles and skin elasticity.
Blue: Blue light is a solid acne treatment as this light wavelength has anti-bacterial and anti-inflammatory properties which kills acne-causing bacteria.
Yellow: “Yellow light is thought to help reduce redness, inflammation, and irritation,” says board-certified dermatologist Dr. Mina Amin.
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