Red Light Alone Is Only Half the Story: Wavelengths, Pulsing & PBM | Part 2 episode artwork

EPISODE · Aug 10, 2026 · 29 MIN

Red Light Alone Is Only Half the Story: Wavelengths, Pulsing & PBM | Part 2

from LETS Keep It Light! · host Dr. Ginger Bowler

Send us Fan MailIs red light alone enough? In Part 2, Dr. Ginger Bowler and 40-year light-therapy industry veteran David Malone explore why photobiomodulation devices may use combinations of red, near-infrared, blue, and green light rather than relying on a single wavelength.David explains how combining red and infrared appeared to reduce treatment plateaus, where pulsing originated, what Nogier and Solfeggio frequencies are, how duty cycle works, and why different wavelengths penetrate the body at different depths.They also discuss the addition of blue and green light, observations reported by practitioners and device users, Doppler testing, circulation, treatment duration, and what David has learned through decades of developing LED light-therapy systems.In this episode:• Why red light alone may be only part of the story• Red and near-infrared combinations• The discovery of infrared light• Why treatment responses may plateau• The origin of pulsed light therapy• Nogier and Solfeggio frequencies• Cymatics and frequency patterns• Blue and green light applications• Duty cycle explained in plain language• How deeply different wavelengths penetrate• How treatment duration was evaluated• Doppler testing and circulationSupport the show

Episode metadata supplied by the publisher feed · Published Aug 10, 2026

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Send us Fan Mail Is red light alone enough? In Part 2, Dr. Ginger Bowler and 40-year light-therapy industry veteran David Malone explore why photobiomodulation devices may use combinations of red, near-infrared, blue, and green light rather than relying on a single wavelength. David explains how combining red and infrared appeared to reduce treatment plateaus, where pulsing originated, what Nogier and Solfeggio frequencies are, how duty cycle works, and why different wavelengths penetrate the...

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Red Light Alone Is Only Half the Story: Wavelengths, Pulsing & PBM | Part 2

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