Red Light Therapy: Effectiveness, Treatment, and Risks

Red light therapy helps your cells repair themselves. It's often used to treat signs of aging and sun damage. (Photo Credit: E+/Getty Images)

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Red light therapy is a treatment that may help skin, muscle tissue, and other parts of your body heal. It uses low levels of red light to target your skin and cells. It is thought to work by increasing the production of mitochondria, your cells' energy sources. This may improve cell function and repair.

Red light therapy uses very low levels of heat and doesn&#;t hurt or burn the skin. Unlike the light used in tanning booths, it doesn&#;t expose your skin to damaging UV rays.

In red light therapy, you expose your skin to a lamp, device, or laser with a red light. It uses an LED (light-emitting diode) that emits the correct spectrum of light. Red LED light travels deeper into the skin than blue LED light, which is sometimes used to treat skin surface conditions such as acne. When the light enters your skin, your mitochondria soak it up and make more energy, which helps cells repair themselves.

Red light therapy devices 

There are many different types of red light therapy devices, some of which can be used at home. But home devices are usually less powerful than those used in clinics and may be less effective or take longer to work. Red light therapy devices include:

Red light therapy mask. This fits over your entire face and has red LED lights on the inside, pointed toward your skin. It is designed to be worn for a short length of time several times a week. It's used as a treatment for acne, wrinkles, or other facial skin concerns.

Red light therapy bed. This looks like a tanning bed but has red LED lights instead of UV lights. It is big enough for you to lie down inside, and your whole body is exposed to red light.

Red light therapy panel. This is a panel of red LED lights that you can mount on a wall or place on a table, either at a clinic or home. Panels range in size from small to large. Small panels are used for targeted areas such as your face, and large panels can target larger areas of your body.

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Red light therapy wand. These are handheld devices that have red LED lights at one end. You use them by moving the wand over your skin in the areas that you want to treat. They are used to treat very small areas, such as the back of the hands, one knee, or a particular spot on the face.

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