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Here are some of the most common questions we've received over the years. Don't see the answer you're looking for? Just let us know and we'll be glad to point you in the right direction!

Our cells are essentially given an energy boost when they absorb light, specifically red light wavelengths at 660 nm. Studies have shown this energy boost enables our cells to do what they were designed to do at a faster rate - up to 200%! This includes functions like removing waste and toxins, collagen production, and repairing tissue. If you want to learn more about the science of red light therapy, please visit the "LEARN" page on our website.

No, the Joovv red lights run on traditional 110V/220V circuits.  All Joovv Lights ship with a 3-prong, 3-meter (9.8 feet) power cord.  Also, if you're outside the United States, we routinely ship our red light devices internationally and they function just fine.  The only caveat is that you may need an adaptor for the 3-prong power cord.

Our red light devices are low-risk, general wellness products that do not require FDA clearance, in accordance with the “General Wellness: Policy on Low Risk Devices” draft released January 20, 2015. 

This will depend on your symptoms.  Most people will see benefits like pain relief and wound healing very quickly.  While skin health, like reducing wrinkles, can take 8-12 weeks.

Studies have shown that cells respond best to a dosage of about about 5 Joules of energy once or twice per day.  At a distance of 12” away, our devices will produce this amount of energy in just 5 minutes!  For deeper tissue repair, such as joints or muscle pain, relief will require higher levels of energy, sometimes up to 120 Joules.  But the Joovv red lights are so powerful that if these troublesome areas are held just 3” away from the device, 120 Joules of healing red light will take only 8 minutes!

Yes, a big difference!  LED’s offer the most effective technology for controlling the wavelength and direction of the light.  In addition, they allow for the production of high intensity output with minimal heat.  They're incredibly efficient!

Our LEDs have a lifespan of 50,000 hours!  That's about 34 years if you used a Joovv red light 4 hours every day.  It's safe to say they will last a long time!

The temperature of the Joovv red lights vary depending on where you use it.  But many of our customers have compared the heat to a nice, warm, 75-degree day.  Even though the Joovv red lights deliver over 100 milliwatts/cm2 of power, because of the built-in cooling fans.

No, not at all.  Using the Joovv Light will not expose you to damaging UV rays.  But you also won't get a tan either.  However, there are many great health benefits from using red light therapy.

You can wear clothes.  Or you can be nude.  Whatever you prefer.  Just make sure the area of your body you wish to be treated is fully exposed to the red light.

No, you don't.  In fact, there have been a number of published clinical studies that demonstrate red light is beneficial for your eyes.

No.  But using lotion won't negatively impact the benefits of red light therapy either.  

We're not physicians and we don't play them on T.V.  But if you use medications such as Tetracycline, Digoxin, and photosensitizing drugs (e.g. tranquilizers, sulfa drugs, oral anti-diabetic drugs, etc.), it's probably a good idea to consult with your physician before using the Joovv Light.  

Yes, makeup can be worn and should not affect the benefits of red light therapy.