Patients ask me whether red light therapy is real or just a nice glow. The reason the wound healing research gives us confidence in red light for skin rejuvenation is that the mechanism for wound healing is the same as for skin rejuvenation.
The Mechanism Is Pretty Well Established
The mechanism for LED red light therapy is pretty well established. That’s the mechanism of action on the wound healing side. The light at red and near-infrared wavelengths is absorbed by the mitochondria of the cells. This raises ATP, or energy production, and drives the proliferation of specific cells active in wound healing, like fibroblasts and keratinocytes. It increases collagen synthesis and local blood flow. This has been described in peer-reviewed publications.
And the same mechanism of action is activated in aesthetic applications. So when I use it on skin, I am not hoping for a vague glow. I am running the same cellular cascade that closes a wound.
What the Studies Show
There are randomized controlled trials showing reduction in the wrinkles around the eyes up to thirty percent. There’s also a controlled trial that showed increased intradermal collagen density, which in turn reduces the appearance of fine lines and wrinkles in the skin. And there have been other multicenter randomized studies that have shown measurable crow’s feet improvement.
Where I Put It in the Hierarchy
I am not going to pretend red light replaces a facelift or resurfacing. As an adjunct, though, it earns its place. After surgery it supports the healing the body is already doing. For skin, it supports collagen, and it stacks well with microneedling.
The Catch Nobody in the Gadget Aisle Mentions
Now, it’s important to know that results do vary by wavelength, dose, and device, and many home consumer units are weaker than the devices used in clinical trials. I personally use Elixir MD, which is an FDA-cleared LED device, which builds credibility for plastic surgeons to cut post-surgical downtime. This device uses a spectrum of wavelengths: red for mitochondrial stimulation and blood flow, infrared for deeper tissue repair, blue to reduce bacterial load, and yellow for cellular repair.
The Credential Behind the Opinion
Double board-certified by the American Board of Plastic Surgery and the American Board of Surgery, American College of Surgeons Fellow, Mayo Clinic plastic surgery fellowship, Clinical Associate Professor of Plastic Surgery at Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, and Castle Connolly Top Doctor for thirteen consecutive years. I never write a confident claim that is not grounded in peer-reviewed evidence or my own practice experience, and red light clears that bar.
Ready to Talk?
If you want red light to do real work, the device and the dose matter as much as the idea.
For the patient-facing guide, see the companion post on agulloplasticsurgery.com. For the LED program at the practice, see the version on swplasticsurgery.com.
Call (915) 590-7900, text 1-866-814-0038, or book online at agulloplasticsurgery.com. #StayBeautiful.
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