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What to know about red light therapy

The treatment of red light therapy (RLT) is a method of addressing skin issues using low-frequency red light. Numerous experts believe it can aid in addressing issues such as skin issues that cause scarring and other signs of aging such as wrinkles, age spots, and so on.

There is evidence to support many of these claims. However, RLT is not a magic cure.

Anyone who is considering this treatment must be aware of other steps that can improve the health of your skin. Incorrect application of RLT could also result in adverse consequences.

If you are unsure whether RLT is the best option for them, should consult your doctor.

How It Works


RLT is a relatively simple process that involves exposing the body to low-frequency red light. The term “low-level laser therapy” is a different method of treatment however RLT could be more popular.

The red light is natural and penetrates deeply into the skin in which cells are able to absorb and utilize it.

According to a study published of the journal Seminars on Cutaneous Medicine and SurgeryTrusted Source mentions, mitochondria inside the skin cells are able to absorb light particles. These cells can then produce more adenosine triphosphate which is the source of energy for all cells.

Many experts have attributed the potential positive effects from RLT to this role. By generating more energy, cells could be better equipped to react to injury and replenish themselves.

While there has been some preliminary research into RLT however, there is no definitive evidence to prove that it’s a good treatment. Numerous studies have shown that the treatment is promising however more thorough human clinical trials will aid in determining the possible uses of RLT.

In the end, there are a variety of advantages to RLT that we will explore in the sections below.

Read More: Cold Laser vs Red Light Therapy

Improving Skin Health


Many people are interested in RLT as a potential way to improve the health of their skin.

The possibility of the use of RLT as a method to improve the appearance of the skin has resulted in many studies. The review in the Journal Seminars on Cutaneous Medicine and SurgeryTrusted Source mentions RLT may help rejuvenate the skin via:

    • increasing collagen production within the skin, which helps to increase the elasticity of the skin
  • the production of fibroblasts that helps to produce collagen and other fibers in the tissue.
  • the blood flow is improved between tissue cells.
  • Protection of cells from harm
  • growing mRNA levels in cells, which stimulates the cell
  • Enhancing facial texture
  • Eliminating fine lines
  • Reducing wrinkles and sagging

A study published in Photomedicine along with Laser SurgeryTrusted Sourceexplored treatments using light for some of the most fundamental skin problems in a tiny group of 136 participants. The study found that treatments may:

  • Revitalize the skin
  • Improve the appearance
  • enhance the feel of the skin

It is vital to note that a lot of the findings on RLT are derived from test tubes or animal studies, which investigate the functions of RLT. A lot of human studies utilized very small samples, as can be seen in the above clinical trial.

The results suggest the possibility of the therapy, but there is no conclusive proof to suggest that it is effective in every situation.

Costs and insurance coverage

In the review of the seminar series Seminars on Cutaneous Medicine and SurgeryTrusted Source mentions, that different certain forms of light therapy can be possibilities for the cure of acne vulgaris.

The sun’s rays can affect the way sebaceous glands operate. Sebaceous glands make sebum that can clog the pores, causing acne. The sun’s rays can help relax glands that are overactive.

The problem that many are facing with exposure to sunlight is the exposure to ultraviolet (UV) A as well as UVB radiation. These can cause skin problems as time passes. They can be serious and could lead to the development of skin cancer..

RLT whether used alone or in conjunction with other treatments like blue-light therapy can be an option to treat acne vulgaris. The light is believed to penetrate into the skin, affecting the production of sebum and reducing irritation and irritation to the region.

Wound healing

The red light can also help speed up the healing of wounds.

The study published in Anais Brasileiros of DermatologiaTrusted Source highlights the reality that light therapy could aid in the healing process of wounds in various ways, for example:

  • Reducing inflammation within cells
  • inducing new blood vessels to grow, which is what medical professionals refer to as angiogenesis.
  • improving the number of fibroblasts that are helpful in the skin
  • stimulating collagen production in the increased collagen production in the

Human studies will aid in confirming these findings.


Hair growth

A brief study published in the Journal of Cosmetic and Laser Therapy examined the effects of low-level light on patients who suffer from Alopecia.

The study showed that those who had received RLT were denser in their hair as compared to people who were in a group that was controlled.

The authors report that the result was beneficial for those who applied light at wavelengths of 665 nanometres (nm) and 808 nanometres (nm).

But, it was an insignificant study, and bigger clinical studies can provide the evidence for these claims.

Reducing the pain

RLT can also be a beneficial treatment for pain in patients suffering from specific conditions.

A study published in The European Journal of Physical and Rehabilitation Medicine collected the results of a variety of studies on RLT and musculoskeletal issues.

The study found that RLT is effective in reducing the pain experienced by adults suffering from various muscle and joint disorders. The researchers also note that practitioners who adhere to specific dosage guidelines appear to improve the efficacy of the therapy.


Enhancing bone recovery

A study published of the Journal of Photochemistry and PhotobiologyTrusted Source investigates the possibilities of RLT to treat facial bone deformities.

The findings of the research team suggest that RLT could aid in speeding healing following treatment for facial bone imperfections. In addition, the review mentions that the treatment reduced pain and inflammation throughout the process.

However, they called for a more standardized approach to evaluate how effective the treatment is efficient.


Benefits from anti-inflammatory

According to research published in the journal AIMS BiophysicsTrusted Source states, a lot of the ailments that RLT treats are caused by inflammation. in inflammation.

While the reason for this isn’t yet known, RLT has significant anti-inflammatory effects on the body. They are local when practitioners apply the light, as well as systemic on various organs and tissues in the body.

The researchers point out that the beneficial anti-inflammatory effects of RLT and the possible benefits of this therapy are numerous.

More research could assist in understanding if it can aid in chronic inflammation issues like:

It is important to note that the research is still in the early stages. However, the anti-inflammatory effects of RLT is extremely promising.

Studies in the past have pointed out the importance of specific wavelengths used by people to focus on their skin.

But, as the report of seminars in Cutaneous Medicine and SurgeryTrusted Source describes the findings of the study that, in many instances the wavelengths that were precisely targeted were not significantly different in the treatment.

However the frequency for the majority of RLT sessions is typically within a certain range like the wavelengths of the Journal of Photochemistry and PhotobiologyTrusted Source paper.


Potential side effects

RLT is a natural process that is completely natural. The skin is exposed to light levels that aren’t harmfullike UV light that comes from the sun.

This is why there is almost no chance of adverse effects from the procedure RLT. However, a doctor who isn’t experienced or who is exposed to excessive amounts of treatment could result in the damage to cells and tissues.

Products to use at home could cause misuse, which can result in skin damage or burns, as well as eye injuries if not properly protected.


RLT has a affordable operating expense. It’s not even an actual medicine that is a traditional medicine, therefore it’s readily accessible. Numerous establishments offer RLT lamps or rooms that include:

  • Fitness centers
  • Day spas
  • Salons for tanning
  • Wellness centers for wellness
  • saunas
  • dermatology clinics

A number of companies also sell products that utilize targeted red light lamps for a spot-healing tool. Anyone buying the devices to use at home must ensure that the device is emitting red light that is within the appropriate wavelengths prior to making the purchase.

Insurance companies do not offer that covers the routine practice of RLT. However, certain dermatologists could offer specific RLT applications. Anyone who is concerned about the skin and a condition which RLT could help with, should consult their physician for recommendations.



RLT is generally considered safe and could be an efficient treatment option for patients who are looking to make minor changes to their skin, or to maintain the skin in good condition and decrease inflammation.

Some other applications of RLT have early promising evidence However, there isn’t enough evidence that is reliable in humans to conclude that it is efficient in all cases.

RLT is just one component of a comprehensive skincare routine It is not the sole method a person uses to take good care of his or her skin. It could take several sessions of RLT before one can notice the changes to their skin.

If you are unsure if this practice is right for them needs to speak with a doctor to discuss potential advantages.



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