Most individuals today are familiar with red light and near-infrared light therapy. Red light therapy (RLT), typically in the wavelength range of 630 to 850 nanometers, penetrates deep into the skin and stimulates the production of collagen and elastin. This helps reduce the appearance of fine lines and wrinkles and improves overall skin texture. It is also effective in treating sun damage, promoting wound healing, and reducing inflammation by increasing blood circulation in cells. 

RLT 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 the skin to damaging UV rays.

Near-infrared light therapy, with wavelengths between 700 and 1100 nanometers, penetrates the deepest into the skin, promoting cellular repair and regeneration, accelerating wound healing, and reducing inflammation. It is also beneficial for relieving pain, improving circulation, and supporting muscle recovery.

NASA (National Aeronautics and Space Administration) originally began experimenting with RLT on plant growth in space and then to help heal wounds in astronauts. Like many developments, other potential uses began to be investigated.

Sometimes called low-level laser therapy, low-power laser therapy, low-power laser, or photobiomodulation, RLT works by increasing the production of mitochondria, the cells' energy sources. This improves cell function and repair. When the light enters the skin, the mitochondria soak it up and make more energy, which helps cells repair themselves.

Research on the benefits of RLT is ongoing and there is evidence that it may be useful for several health and beauty concerns.

RLT for Dementia

A 2021 research review found that in all 10 studies included in the review, RLT had benefits for people with dementia. In one study, five people with dementia who had regular light therapy on their heads and through their noses for 12 weeks had better memories, slept better, and were angry less often.

RLT for Pain Relief

Research shows that RLT may be useful for relieving some types of pain, particularly pain due to inflammation. A review of 11 studies looking at the effect of RLT on pain found mostly positive results.

RLT for Arthritis 

A review of studies found that RLT may be a helpful short-term treatment for pain and morning stiffness for patients with rheumatoid arthritis. However, it doesn’t appear to be very helpful for other forms of arthritis, such as osteoarthritis.

RLT for Hair Loss 

A review of multiple studies found that RLT can be an effective treatment for androgenic alopecia, a genetic disorder that causes hair loss. Another review of 11 studies found similar promising results. In some studies, hair thickness improved as well as hair growth.

RLT for Acne

Research has found that RLT can be effective for acne treatment. This may have to do with its ability to help reduce inflammation. In addition to helping with active acne lesions, red light lasers may also help treat old acne scars.

RLT for Weight Loss

Some providers use RLT as a weight loss treatment. Referred to as called body contouring, or body sculpting. Red light therapy may help reduce the circumference of your body in the area that was treated, but the effect will likely be temporary and not due to any real weight loss.

Tree of Light Whole Body Rejuvenation Center is located at 806 Neapolitan Way, in Naples. For more information, call 239-692-9367. Visit TreeOfLightCenter.com. 

Soluna Medical Aesthetics is located at 8800 Bernwood Pkwy., Ste. 2, in Bonita Springs. For more information call 239-317-2940. Visit SolunaMedicalAesthetics.com. 

Skintrenzixs is located at 730 Goodlette-Frank Rd., in Naples. For more information, call 205-718-2611. Visit Skintrenzixs.com.