The Light That Started With Potatoes (And Might Change How You Age)
It started with potatoes. Genuinely.
NASA scientists were trying to grow food in space. They rigged up red LEDs to keep the plants happy, and somewhere along the way they noticed something they were not looking for at all: the cuts and scrapes on their own hands were healing faster under those lights.
That accidental observation kicked off decades of research into what red light does to human tissue. And now, several hundred studies later, it is one of the most quietly exciting tools in the whole longevity conversation.
Here is why we are slightly obsessed with it.
Your mitochondria are having a moment
Every cell in your body runs on ATP, and ATP is made by your mitochondria. They are the tiny power stations inside your cells, and here is the uncomfortable bit: they slow down as we age. Less energy in the tank. Slower repair. Longer recovery. That heavy-legged feeling after a walk that never used to feel like anything.
Red and near-infrared light does something rather elegant. It passes straight through the skin and into the tissue underneath, where it is absorbed by an enzyme called cytochrome c oxidase, sitting right inside the mitochondria. The result is more ATP production, better circulation, calmer inflammation and switched-on repair pathways.
One intervention. Every tissue in your body. That is the whole magic trick.
So what does that actually feel like?
You recover faster
This is the one people notice first, and honestly it is the one that changes your week. Research has repeatedly shown red and near-infrared light improving recovery from muscle fatigue, helping muscles restore performance faster after hard work.
Whether that is a Wainwright at the weekend, a heavy session at the gym, or simply a long day on your feet at work, you come back quicker. Less next-morning heaviness. More willingness to do it again on Tuesday.
Your skin gets busier
The skin research is where this all began commercially, and it is properly good.
A randomised, split-face controlled trial published in 2007 treated 76 people with facial wrinkles using red and near-infrared light twice a week. Just four weeks in, the treated sides showed measurably softer wrinkles, better elasticity and, in the tissue samples, more collagen and elastic fibres.
Not blurred. Not filtered. Measured.
Red light does not resurface or lift. What it does is wake up the machinery your skin already has and ask it to get on with the job.
Your hair follicles wake up
A 2014 trial in women with pattern hair loss used red light over 16 weeks and found a significant increase in terminal hair count against a sham device. It works right at the follicle, supporting the cellular activity needed to grow new hair.
Worth knowing: that study used a device built to get light onto the scalp specifically. Which brings us neatly to the most important thing on this page.
Your brain likes it too
This is where it gets genuinely exciting. A 2024 randomised, double-blind, placebo-controlled trial delivered near-infrared light to the scalp of 93 older adults over 60 days. The treated group showed improved cognitive scores and a significant rise in BDNF, the protein behind learning, memory and neuroplasticity.
Light. Improving cognition. We are living in the future.
Even your eyes are in on it
Your retina has one of the highest energy demands of any tissue in your body, and it is one of the first places mitochondrial decline shows up. Researchers at UCL found that three minutes of deep red light a day for two weeks improved colour contrast vision in people over 40.
Please do not try this one with a panel from Amazon. It used very specific equipment under research conditions. But as a glimpse of where this field is heading, it is remarkable.
The bit nobody tells you: the light has to match the job
Here is the thing that separates a real result from a disappointing one.
Skin, follicles, deep muscle, brain and retina all sit at different depths and need different wavelengths, different power and different timings. A face mask is built for facial skin. A scalp device is built for follicles. A full-body panel is built to cover large areas of muscle and connective tissue.
Dose matters just as much. Red light follows what researchers call a biphasic dose response, which is a technical way of saying there is a sweet spot. Too little does nothing. Too much stops helping. More is not better, right is better.
Which is exactly why our sessions are ten minutes and not forty. That is not us being stingy with your time. That is the science.
How we do it at Sōma Sana
Ten minutes. Full body. Warm, quiet, and the single easiest thing you will do for yourself all week.
Most of our members come for the recovery and energy side of things and get the skin benefits alongside. It pairs beautifully with our high-intensity PEMF bed, which is why we bundle the two together in our Recovery Pairing and in both membership tiers.
The people who get the most out of it are the ones who make it a rhythm rather than a one-off. A single session feels lovely. Six weeks of consistency is where you start telling your friends about it.
And if your priority is your skin specifically, The Good Skin Guru lives inside Sōma Sana, so we can build red light into a proper plan alongside everything else that works.
Frequently asked questions
How long is a red light therapy session?
Ten minutes, full body. Long enough to hit the sweet spot, short enough to fit into a lunch break.
How often should I go?
Most of the research uses several sessions a week over a number of weeks. Our memberships are built around exactly that rhythm.
Will I feel anything straight away?
Plenty of people say they feel looser and lighter the same day. The measurable stuff, in skin, hair and recovery, builds over weeks.
Is it the same as a sunbed?
Not remotely. Sunbeds use UV, which damages skin. Red light therapy uses red and near-infrared wavelengths and contains no UV at all.
Can I combine it with PEMF?
Yes, and most of our members do. They work in completely different ways, which is precisely why we pair them.
Do I need to be sporty?
Not even slightly. Most people who use it here just want to feel better, recover faster and age well.
Is it suitable for everyone?
Almost everyone. We will just have a quick chat first if you take medication that increases light sensitivity, have a photosensitive condition, or are pregnant. Being medically led means we always ask.
Come and glow
Our Recovery Pairing combines six red light sessions with six PEMF sessions.
Book online, or drop into the clinic in Cockermouth and we will talk you through it properly.
Your mitochondria will thank you.
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