Chances are that if you’re reading this article, you may have heard about red or infrared light therapy. But you may still have a nagging question: does it actually work? In 1993, NASA had the same question when it commissioned an agency, QDI, to conduct research on red light therapy. After the technology was proven to activate plant growth in space, contracts were awarded to investigate the medical application of Light Emitting Diodes (LEDs) with a specific focus on the transfer of red light energy to human cells.
This research demonstrated the effectiveness of a specific wavelength of 660 nanometers (nm). What began as a way to limit the bone and muscle loss of astronauts soon had proven its effectiveness so thoroughly that by the late 2000’s, the technology had been tested had been published in hundreds of clinical studies. In fact, the FDA has approved red light therapy for the treatment of minor pains, mild arthritis and many other conditions.
HOW DOES IT WORK?
Scientists have discovered that our cells also have an incredible response to light in the 600-900 nm wavelength range. This light can pass through human tissue much easier than other wavelengths. Specifically, light at about 660 nm and 850 nm has been shown to provide an ideal biological response. This light energy can penetrate deep into muscle and joint tissue, stimulating the production of ATP (adenosine triphosphate), which is the mode of chemical energy transportation at the cellular level. Our cells receive this rejuvenating, anti-aging energy boost that enables them to perform their natural functions at a heightened level.
Here are just a few of the documented benefits of red light therapy:
- Improves skin clarity, tone, and texture
- Stimulates production of collagen and elastin
- Diminishes freckles, age spots, and acne
- Reduces fine lines, wrinkles, and puffy eyes
- Fades scars and stretch marks
- Speeds wound healing and reduces joint inflammation
- Aids in muscle recovery and enhances athletic performance
Unlike many other types of treatments, red light therapy is completely safe, non-invasive, uses no chemicals, and has no harmful side effects. It simply harnesses the natural healing benefits of a specific range of light and delivers this energy at a higher rate than the sun. It is a very relaxing and energizing experience that is quickly becoming a revolutionary treatment in numerous medical specialties due to its many applications and benefits.
WHICH RED LIGHT DEVICE SHOULD YOU CHOOSE?
There are so many red light devices on the market that it can be quite confusing to know which one to purchase. There are many factors to consider, but ultimately, the effectiveness of red light boils down to just a few: the wavelength and the amount of energy delivered to the body.
While there are benefits with a variety of different wavelengths, there are two peak wavelengths that have been proven to be the most effective. The original research funded by NASA, as well as hundreds of other studies point to an optimal wavelength of about 660 nm. The other peak biological response is in the near infrared range at about at 850 nm. This wavelength provides some unique advantages as it can penetrate more easily into deeper tissue.
Research has also shown our cells respond best when the total energy delivered is 4-6 Joules/cm2. The amount of time to deliver this amount of energy is determined by the intensity of the light at the surface of the skin. This intensity is measured in mW/cm2. The amount of energy in Joules is calculated by multiplying the intensity by the time in seconds. Unfortunately, most red light therapy manufacturers don’t publish their output intensity, which makes it nearly impossible to determine how much energy is being delivered to the treatment area. Or worse, they deceive you by providing the intensity across the entire surface area in comparison to the industry standard of miliwatts per centimeter squared.
Some devices are meant for the entire face, but the intensity of the light at the skin is so low that a session time of over an hour would be required to get the best results. For most people, this simply isn’t practical. Therefore, it’s important to select a product with optimum light intensity that results in a convenient and desirable treatment time.
The clinical and scientific evidence for red light therapy is quite convincing. But it’s imperative to choose a device that delivers the right amount of light within an ideal range of wavelength.
When the team at Joovv designed their red light therapy device, they refused to settle for anything less than optimal wavelengths combined with unparalleled output. With the professional-grade power of over 100 mW/cm2, you can reap the rewards of red light therapy in the convenience of your own home in less than a few minutes a day. If you’re in the market for a red light therapy device, be sure to check out Joovv. We don’t think you’ll be disappointed!
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