Three primary RGB wavelengths (460 nm blue, 520 nm green, 630 nm red), individually selectable or combined into four secondary modes. What the research says about each:
Penetrates to the dermis. Activates mitochondria in fibroblasts, the cells responsible for producing collagen and elastin.
The researchA randomised controlled trial of red-LED treatment reported a measurable increase in intradermal collagen density and improvement in the appearance of fine lines and skin roughness.
Wunsch & Matuschka, Photomedicine and Laser Surgery, 2014
A shorter wavelength with more superficial penetration. Studied for its action on melanocytes and uneven pigmentation.
The researchGreen-wavelength photobiomodulation has been investigated in dermatological protocols for hyperpigmentation and the appearance of dark spots. The evidence base is narrower than for red or blue.
LED phototherapy dermatological literature
Targets porphyrins inside Cutibacterium acnes (formerly P. acnes). Photoexcitation generates reactive oxygen species that compromise the bacteria.
The researchA 12-week trial of acne vulgaris treatment with blue and red light showed significant reduction in inflammatory acne lesions, particularly with combined blue + red phototherapy.
Papageorgiou, Katsambas & Chu, British Journal of Dermatology, 2000
Green and red firing simultaneously. The eye perceives yellow; the skin receives both wavelengths.
The combinationPairs red's dermal collagen-stimulating action with green's surface-level pigmentation effect. Relevant where both fine lines and uneven tone are present.
See Red and Green for primary research
Blue and red firing together. A combination studied for active acne with residual marks.
The researchA 12-week study of mild-to-severe acne vulgaris reported greater reduction in inflammatory lesions with combined blue + red LED than with either wavelength alone.
Goldberg & Russell, Journal of Cosmetic and Laser Therapy, 2006
Blue and green together. The antimicrobial action of blue paired with green's pigmentation-targeting effect.
The combinationUsed for breakout-prone skin showing post-inflammatory marks, where the bacteria-targeting and tone-evening effects are both relevant.
See Blue and Green for primary research
Redermis is a personal-care device, not a medical device. We make no claim to diagnose, treat, cure, or prevent any condition. Studies cited refer to LED phototherapy research using comparable wavelengths and protocols. Individual results vary.