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  1. Home
  2. Red Light & PEMF
Knowledge Library

Everything you ever wanted
to know about red light.

The most comprehensive red light therapy resource in the UK. Photobiomodulation science, the 45% collagen-density finding, the Lanzafame hair-regrowth data, what 660 + 850nm actually does at the mitochondrial level, and PEMF — the other half of the protocol. Built and maintained by R1SE Sheffield.

+45%

intradermal collagen density after 12 weeks

Wunsch & Matuschka, Photomed Laser Surg 2014

+35%

hair regrowth in androgenetic alopecia at 16 weeks

Lanzafame et al., Lasers Surg Med 2013

+40%

wound healing rate vs control

Posten et al., Dermatologic Surgery 2005 (review)

−27%

skin roughness after 12 weeks

Wunsch & Matuschka, Photomed Laser Surg 2014

Full citations and additional outcomes on the Science of Red Light page.

The Library

Pick a topic. Each page is fully cited.

Evidence

The Science of Red Light

Collagen density up 45%. Hair regrowth at 16 weeks. Muscle recovery accelerated. Every claim properly cited — Hamblin, Wunsch, Lanzafame, Ferraresi. Start here.

Read

At R1SE

Red Light & PEMF at R1SE

Clinical-grade 630–850nm beds bundled with PEMF and binaural beats. 30-minute standalone or the 75-minute Wellness Experience.

Read

Start Here

Red Light for Beginners

Never tried it? What 30 minutes on the bed feels like, what to wear, your first three sessions, common worries answered.

Read

PEMF

PEMF — The Other Half

Pulsed electromagnetic field therapy. FDA-cleared bone healing, the broader pain and recovery evidence, why R1SE bundles it with red light.

Read

Applications

Conditions Red Light Helps

Skin, hair regrowth, knee OA, wound healing, recovery, brain/cognition, sleep, depression. Evidence-tiered. And what red light WON'T treat.

Read

Outcomes

The Benefits of Red Light

Eight outcomes — skin, hair, recovery, joint pain, sleep, brain, energy, wound healing. Mechanism, evidence, protocol for each.

Read

Mechanism

Wavelengths Explained

Why 660nm and 850nm. Penetration depth, cytochrome c oxidase absorption peaks, the Hamblin biphasic dose-response curve.

Read

Practice

How to Use Red Light

Six protocols based on published trials — wellness, skin, hair regrowth, recovery, joint pain, sleep. Frequencies and total doses.

Read

Safety

Red Light Safety

Eye protection, photosensitising medications, active skin cancer, PEMF implant interactions. The honest safety guide.

Read

Comparison

Types of Red Light Therapy

Six formats compared — full-body beds, wall panels, face masks, hair helmets, handhelds, clinical lasers.

Read

Heritage

History of Photomedicine

Niels Finsen's 1903 Nobel Prize, Endre Mester's 1967 accidental discovery, NASA, Karu, Hamblin, and the modern PBM consensus.

Read

Influence

Who Uses Red Light and Why

Huberman, Rhonda Patrick, Joe Rogan, Hugh Jackman, Ronaldo, Bryan Johnson, Kourtney Kardashian. Their protocols and the science.

Read

Reading is the first step. Photons do the work.

Book a red light & PEMF session at R1SE Kelham Urban Spa and put the science into practice.

Book Red Light & PEMFRead the Science

Explore More

The R1SE Knowledge Libraries

Science-backed, fully cited guides to every R1SE modality. Pick a topic and go deeper.

Yoga Library

Science, history, philosophy, poses, breathwork, hot yoga.

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Reformer Pilates Library

Science, history, equipment, moves, benefits, instructor pathways.

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Sauna Library

Cardiovascular science, Finnish vs infrared, protocols, longevity data.

Explore

Hyperbaric Oxygen Library

Telomere lengthening, cognitive enhancement, post-concussion, long-COVID.

Explore

Ice Bath & Cold Library

Catecholamines, brown fat, Søberg minimum, Wim Hof, recovery debate.

Explore
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