Affiliate & partner disclosure: This article contains affiliate links, and I may earn a commission if you buy through them at no extra cost to you. As an authorised LifeWave Brand Partner, I have a financial interest in promoting LifeWave products. Testimonial/editorial given by a LifeWave brand partner with financial interest in promoting the product. Full disclosure at the end.
A note before we start. This is general information, not medical advice. Clinical light therapy for pain, wounds or skin conditions should be guided by a professional; protect your eyes with any bright device. LifeWave X39 is a non-transdermal, general-wellness phototherapy patch that gently stimulates the skin with light to support the body’s natural energy flow for strength and stamina. It is not a red-light device and not a treatment for any condition.
Red light therapy has gone from clinics to living rooms. Here’s the mechanism, where the evidence is decent, where it’s thin — and why it shouldn’t be confused with LifeWave products.
Key takeaways
- Photobiomodulation uses red/near-infrared light at measured doses from powered devices.
- The leading mechanism involves light absorption in mitochondria.
- Evidence is most encouraging for some skin, wound and musculoskeletal uses; much else is early.
- It doesn’t transfer to passive patches or “light-infused” water.
What it is
Red (around 630–700nm) and near-infrared (around 700–850nm) light, usually from LEDs or low-level lasers, applied at specific doses. It doesn’t heat or cut tissue.
How it’s thought to work
Light is absorbed by cytochrome c oxidase in mitochondria, which may influence ATP production, nitric oxide and cell signalling. Details are still debated.
What the evidence shows
- Skin: some of the best consumer evidence, e.g. for fine lines and some acne protocols.
- Musculoskeletal pain: a 2009 Lancet review found low-level laser therapy reduced neck pain in the short term; other areas are mixed.
- Exercise recovery: some meta-analyses show modest benefits; protocols vary widely.
- Brain: transcranial studies are early and small.
See red light therapy benefits, photobiomodulation explained and red light therapy at home.
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Join free →Where does LifeWave fit? LifeWave’s patches have no power source; LifeWave describes them as reflecting light from body heat back to the skin. That’s a different technology from red-light devices, and the research above shouldn’t be read as evidence for X39, which I wear daily as a general-wellness extra. LifeWave’s X2O “light infusion” and ideas about “structured water” are unproven. See light-infused water.
Shop X39 at my LifeWave store →
Frequently asked questions
What is photobiomodulation?
The research term for using specific light wavelengths to affect biological tissue.
Is red light therapy proven?
For some skin and pain uses there’s reasonable evidence; many other claims are early.
Is X39 a red-light therapy device?
No. It’s a passive patch; the red-light research doesn’t apply to it.
Does X39 treat any condition?
No. No such claim is made. X39 is not intended to diagnose, treat, cure or prevent any disease.
Related reading
Red Light Therapy Benefits · Photobiomodulation Explained · What Is Phototherapy?
Full disclosure. This article is general information, not medical advice. LifeWave products are not intended to diagnose, treat, cure or prevent any disease; statements about them have not been evaluated by the FDA. As an authorised LifeWave Brand Partner I have a financial interest in promoting LifeWave products.

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