LED light therapy uses specific colours of light to improve your skin and overall wellness. Each colour has a unique wavelength measured in nanometres (nm) that penetrates the skin at different depths. This article explains what each LED colour does for your skin and health — backed by real scientific research you can trust.

What Are the Benefits of LED Red Light Therapy (630-700 nm)?

Red light therapy helps the skin produce more collagen, reduces inflammation, and speeds up healing of wounds. It penetrates deeply to repair cells and improve skin texture. Research shows red light smooths wrinkles and can reduce acne inflammation.
Learn more: Photomedicine and Laser Surgery, Journal of the American Academy of Dermatology

How Does LED Blue Light Therapy Target Acne? (405-470 nm)

Blue light therapy kills acne-causing bacteria and controls skin oil. It works on the skin’s surface to reduce breakouts and calm inflammation. Clinical trials confirm blue light lowers acne severity.
See research: Phototherapy with Light Emitting Diodes, British Journal of Dermatology

Why Use LED Green Light Therapy for Skin and Migraines? (520-560 nm)

Benefits of Green light therapy calms skin redness, reduces dark spots, and can soothe migraines by calming brain activity. It brightens complexion and helps heal broken capillaries. Studies support its anti-inflammatory and skin-brightening effects.
More details: The Journal of Cosmetic and Laser Therapy

Benefits of LED Yellow Light Therapy: A Natural Way to Rejuvenate Skin (570-590 nm)

Yellow light therapy refreshes skin by improving lymph flow and reducing redness. It’s great for sun-damaged skin, boosting hydration and elasticity. Scientific studies confirm these skin-rejuvenating effects.
Read further: Stanford Medicine

Benefits of Purple/Pink Light Therapy: Combining Acne Treatment and Skin Healing (390-420 nm)

Purple also known as Pink light therapy combines red and blue light for acne treatment and healing. The benefits of LED in this combination is to reduce inflammation and promotes collagen production. Research finds it effective for acne and improving skin tone.
Reference: Dermatologic Surgery

Benefits of LED Cyan Light Therapy for Soothing and Calming Skin (490-520 nm)

Cyan light therapy calms irritated skin, reduces redness, and improves texture. Effective for sensitive skin, studies show cyan light reduces inflammation and smooths skin.
See study: Photodermatology, Photoimmunology & Photomedicine

Full Spectrum White Light Therapy for Skin and Mood

Benefits of LED White light therapy uses broad-spectrum light to reduce fine lines, brighten skin, and improve mood. Studies show it helps with hydration and depression symptoms by regulating circadian rhythms.
Reliable sources: Light Therapy for Older Adults with Depression, Bright Light Therapy for Depression

Conclusion

The benefits of LED light therapy depend on the colour and nanometre used. From anti-aging and acne treatment to calming skin and boosting mood, each colour has unique advantages. Always consult a dermatologist before starting to ensure it is right for your skin type and health.