What Is Red Light Therapy: Benefits And Risk

What Is Red Light Therapy?

Red light therapy is a controversial therapeutic technique that uses red low-level wavelengths and light to treat skin issues, such as wrinkles, scars, among other conditions.

Scientists use RLT to help develop plants in space. The specialists found that the bright light from red light-emitting diodes helped the growth and photosynthesis of plant cells.

You may have learned of red light therapy (RLT) by its other names, which include:

  • Cold laser therapy
  • Biostimulation
  • Soft laser therapy
  • Low-level light therapy
what is red light therapy used for
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Table of Contents

Red light therapy pros and cons

Red light therapy pros :

Clinical research is needed to prove that red light therapy is very effective. At the moment, there’s some evidence to suggest that RLT may have the following benefits:

  • Promotes wound healing and tissue repair
  • Improves hair growth
  • Helps to mend sun damage
  • Helps diminish scars
  • Reduces psoriasis lesions

Red light therapy cons:

Red light therapy (RLT) is considered painless and safe. There has been news of burns and blistering from using RLT units. Some people developed burns after falling asleep with the unit in place; others experienced burns due to broken device corrosion or wires.

There is a risk of harm to your eyes. Although safer on the eyes than regular lasers, proper eye protection is necessary while undergoing red light therapy.

Does red light therapy work?

Red light therapy (RLT) isn’t a cure-all for everything. It is considered experimental for most conditions. There is no evidence showing that red light therapy works by:

  • Treats depression and postpartum depression
  • Reduces cellulite
  • Cures acne
  • Treats cancer
  • Aids in weight loss
  • Treats neck pain and back

Whether you’re looking for fast recovery from workouts, pain relief, or better sleep, Below recommended red light therapy device can help. You can also use it on your pets!


Red Light Therapy device for Face and Body Use

Handheld LED Infrared Light Device

For rapid recovery from workouts, pain relief, and better sleep


The red light therapy treatment option

Red light wavelengths aren’t the wavelengths to be studied for medical purposes. Green light, Blue light, and a mixture of different wavelengths has also been the subject of similar experiments.

There are some kinds of therapies available. You can ask the doctor about:

    • Laser treatment
    • Sauna light  therapy
    • Natural sunlight
    • Ultraviolet light B

Frequently Asked Question

What are the main benefits of red light therapy?

Red light therapy may be beneficial because it boosts production of ATP which may enhance healing. Because it can also reduce inflammation, it may help conditions like arthritis and acne. Red light may also help decrease signs of aging by replenishing the collagen in your skin.

What does red light therapy do for the body?

Red light therapy (RLT) is a treatment that uses low wavelength red light to reportedly improve your skin’s appearance, such as reducing wrinkles, scars, redness and acne.

Who should use red light therapy?

For alopecia—specifically androgenetic alopecia, also known as male and female pattern hair loss—some studies support red light therapy as an effective treatment. It may not work for everyone, and is best used in the earlier stages of hair loss and for less severe cases.

Can red light therapy cause skin damage?

Red light therapy is generally considered safe, even though researchers aren’t exactly sure how and why it works. And there are no set rules on how much light to use. Too much light may damage skin tissue, but too little might not work as well.


Red light therapy has given promising results in treating skin diseases, but there’s not much consensus about the treatment’s benefits in some scientific communities.

Here are a few articles to check out:

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