The Science ofPhotobiomodulation
Over 4,000 peer-reviewed studies validate the therapeutic mechanisms of red and near-infrared light therapy. Here is what the research shows.
Mechanism of Action
How Photobiomodulation Works
Photon Absorption
Specific wavelengths of red (660nm) and near-infrared (850nm) light are absorbed by chromophores in the mitochondria, particularly cytochrome c oxidase.
Electron Transport Enhancement
Light absorption dissociates inhibitory nitric oxide from cytochrome c oxidase, restoring electron transport chain function and increasing proton gradient.
ATP Synthesis
Enhanced proton gradient drives ATP synthase, dramatically increasing cellular ATP production — the fundamental energy currency of all biological processes.
Secondary Signaling
Increased ATP and reactive oxygen species trigger downstream signaling cascades: NF-κB modulation, VEGF upregulation, and growth factor release.
Gene Expression
Photobiomodulation activates transcription factors that upregulate genes involved in antioxidant defense, collagen synthesis, and cellular repair.
Tissue Regeneration
The cumulative effect is accelerated tissue repair, reduced inflammation, enhanced circulation, and improved cellular resilience.
Wavelength Science
Precision Wavelengths
Not all light is therapeutic. Flex Flow Pro delivers the two clinically validated wavelengths that fall within the "optical window" of biological tissue.
Red Light
Tissue penetration: 1–3 cm
Optimal for skin health, collagen synthesis, and superficial tissue repair.
Primary Targets
Near-Infrared
Tissue penetration: 5–10 cm
Penetrates deep into muscle, bone, and neural tissue for systemic benefits.
Primary Targets
Research Library
Key Clinical Findings
A curated selection of peer-reviewed research supporting the therapeutic applications of photobiomodulation.
Red Light Therapy and Mitochondrial Function
Journal of Photochemistry and Photobiology
660nm red light significantly increases ATP production in human fibroblasts by activating cytochrome c oxidase.
Near-Infrared Light and Inflammation Reduction
Photomedicine and Laser Surgery
850nm NIR light reduces pro-inflammatory cytokines TNF-α and IL-6 by up to 47% in clinical trials.
Photobiomodulation for Muscle Recovery
Lasers in Medical Science
Pre-exercise light therapy reduces DOMS by 40% and accelerates creatine kinase clearance in athletes.
Collagen Synthesis and Skin Rejuvenation
Journal of Investigative Dermatology
Combined 630nm/850nm therapy increases dermal collagen density by 31% after 12 weeks of treatment.
Neurological Benefits of Transcranial PBM
Frontiers in Neuroscience
Near-infrared transcranial photobiomodulation improves cognitive performance and reduces neuroinflammation.
Wound Healing Acceleration
Wound Repair and Regeneration
Red light therapy accelerates wound closure by 36% and reduces scar formation through enhanced fibroblast activity.
Clinical Benefits
Evidence-Based Applications
Muscle Recovery
Joint Pain Relief
Skin Rejuvenation
Wound Healing
Inflammation Reduction
Cognitive Performance
Sleep Quality
Testosterone Support
Hair Growth
Bone Density
Thyroid Function
Metabolic Health