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What does red and blue light therapy do?

In recent years, many people have determined the splendid advantages of red and blue light therapy, and they are non-invasive, painless, and secure for most people, making them a famous desire for those searching for herbal remedies. If you’re curious about these cures and need to research more, you’ve come to the proper place.

red and blue light therapy

Welcome to the world of light therapy! In this article, we’re going to dive deep into the world of red and blue light therapy. Whether you’re coping with skin troubles, or pain, or just want to enhance your universal health, red and blue light therapy could be simply what you want. So, permit’s get commenced!

What is light therapy?

Light therapy, additionally called phototherapy, is a treatment that uses precise wavelengths of light to deal with the ramifications of conditions. The therapy works by way of exposing the skin to light, which then penetrates the skin to reach the cells below. This can assist to stimulate mobile increase and repair, lessen irritation, and increase blood glide.

There are numerous styles of light therapy, including red and blue light therapy. Unique wavelengths of light have extraordinary results on the body. Red light therapy uses a wavelength of 630-700nm, known for its anti-inflammatory and healing properties. And is usually used for pain relief and wrinkles. Blue light therapy, however, uses a wavelength of 400-450nm, is known for its ability to kill bacteria and reduce infection, and is regularly used to treat zits and different skin situations.

What is light therapy?

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Benefits of red and blue light therapy

Now that you recognize what light therapy is, permit’s dive into the blessings of red and blue light therapy. There are many benefits to those treatment plans, starting from skin rejuvenation to pain relief.

Red Light Therapy Benefits:

  • Skin Rejuvenation
  • Pain Relief
  • Improved Sleep
  • Wound Healing

Blue Light Therapy Benefits:

  • Acne Treatment
  • Seasonal Affective Disorder (SAD)
  • Improved Sleep
  • Skin Conditions

What the Research Says

There is a developing frame of research that shows that red and blue light therapy may be powerful for the diffusion of skin conditions, which include acne, psoriasis, and eczema.

For example, a 2007 examination observed that red light therapy became powerful in reducing the severity of pimple lesions. They have a look at individuals who were handled with red light therapy for eight weeks, and this take a look at indicates that red light phototherapy on my own may be a brand new healing alternative for acne vulgaris[1].

Every other study, published in 2011, found that blue light therapy become powerful in treating psoriasis. They have a look at members who had been treated with blue light therapy for 4 weeks, and the effects showed that the remedy notably decreased the severity of psoriasis lesions[2].

In the end, a 2016 study determined a combination of red and blue light therapy to be powerful in treating acne. The take a look at contributors were treated with red and blue light therapy for 12 weeks, and the effects showed that the remedy appreciably reduced the severity of acne lesions[3].

How to choose red and blue light therapy devices

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How to choose red and blue light therapy devices

While selecting a red and blue light therapy device, there are a few elements to don’t forget:

The wavelength of the light is vital as it determines the kind of condition that the tool can treat. Red light therapy devices generally use light with a wavelength of 630 to 660 nanometers, while blue light therapy gadgets normally use mild with a wavelength of 405 to 420 nanometers.

How strong the light is also counts. Only then can a tool be effective at its function.

Only choose a red and blue light therapy device that is safe to use. Ensure that the device is FDA-approved and that it has been grounded for protection.

Who is not suitable for red and blue light therapy?

Red and blue light therapy is a powerful, safe treatment for various problems of skin expansion. However, there are a few people who should not use red and blue light therapy, inclusive of:

  • People with epilepsy.
  • People with photosensitive skin conditions, such as lupus.
  • People who are pregnant or breastfeeding.
  • People who have any type of eye condition.

Under such circumstances, you must tell your doctor before using red and blue light therapy.


In the end, red and blue light therapy can be a safe and powerful way to improve your skin, treat pimples, relieve pain, and beautify your temper. By using this therapy the side of different wholesome habits, which includes a balanced food regimen and everyday exercising, you can attain your dreams and stay a happier, healthier existence.


Is red and blue light therapy safe?

Red and blue light therapy are both safe treatments for many types of skin conditions. But before starting the treatment, please follow the directions containing your tool and contact them earlier than a physician.

What are the risks of red and blue light therapy?

The dangers of LED light therapy are extremely low. However, there were several cases in which human subjects suffered skin inflammation or burns. While this is usually due to excessive use of light, or using the light too close to the skin.

Can you use red and blue light therapy together?

Yes, red and blue light therapy can be used together, and in fact, some devices combine both red and blue light. Combining the two wavelengths can offer additional advantages, which include treating acne whilst additionally selling skin rejuvenation.

How long does it take for light therapy to work?

Light therapy can take a few weeks to start working. The outcomes will vary depending on the character and the condition being treated. In trendy, you can assume to see a few improvements after 4-6 weeks of treatment. However, some people might also want to continue treatment for longer to look at the whole blessings.


[1] Jung Im Na 1, Dae Hun Suh. Red light phototherapy alone is effective for acne vulgaris: a randomized, single-blinded clinical trial. Dermatol Surg. 2007 Oct;33(10):1228-33; discussion 1233.

[2] Antonia Weinstabl, Susanne Hoff-Lesch, et al. Prospective randomized study on the efficacy of blue light in the treatment of psoriasis vulgaris. Dermatology. 2011;223(3):251-9.

[3] Mark S. Nestor, Nicole Swenson, et al. Efficacy and tolerability of 445nm and 630nm phototherapy masks versus topical benzoyl peroxide in mild to moderate acne vulgaris. J Clin Aesthet Dermatol. 2016 Mar; 9(3): 25–35.

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