Red Light Therapy For Hair Loss: Everything You Need To Know

Are you tired of finding clumps of hair on your pillow each morning? Does your receding hairline leave you feeling self-conscious and looking for solutions?

For the over 35 million men and 21 million women in the U.S. struggling with rapid hair loss and thinning, finding a way to slow this process and promote natural hair growth can be daunting.

Have you ever considered that the answer might not be inexpensive surgeries or chemical treatments, but a revolutionary, non-invasive technique called Red Light Therapy?

This article aims to provide a comprehensive understanding of red light therapy for hair loss, its mechanisms, potential benefits, and the scientific evidence supporting its use.

What is red light therapy for hair loss?

Red light treatment, or low-level laser therapy (LLLT), is a non-invasive treatment option for hair loss. The therapy involves exposing the scalp to low levels of red or near-infrared light, to stimulate hair follicles and promote hair growth.

The therapy operates on the principle that light at certain wavelengths, typically around 650-670 nanometers, can help to stimulate cell activity. 

In the case of hair loss, this increased activity can promote the health and function of hair follicles, which can encourage hair growth and density.

Research has shown that red light therapy can be effective for androgenetic alopecia, a common form of hair loss affecting human scalp hair in both men and women.

However, the effectiveness of the treatment can vary based on individual circumstances, including the underlying cause of hair loss and the consistency of treatment.

What causes hair loss?

Hair loss can significantly impact self-esteem, whether it's due to female pattern hair loss or an increased amount of hair falling out and blocking the shower drain. When confronted with significant hair shedding, it's crucial to find an effective solution.

Hair loss is a universal issue that can strike anyone, anytime and is triggered by a multitude of factors. Some of the primary reasons leading to hair loss include:

1. Genetics: Also known as androgenetic alopecia, this is the most common cause of hair loss and can affect both men and women. In men, it's often referred to as male-pattern baldness, and in women as female-pattern hair loss.
2. Hormonal changes: Hormonal changes and imbalances can cause temporary hair loss. This could be due to pregnancy, childbirth, menopause, or changes in or discontinuation of birth control pills.
3. Medical conditions: Certain medical conditions like thyroid disorders, alopecia areata (an autoimmune disease that attacks hair follicles), and scalp infections like ringworm can lead to hair loss.
4. Medications and supplements: Hair loss can be a side effect of certain drugs, such as those used for cancer, arthritis, depression, heart problems, gout, and high blood pressure.
5. Stress: Both physical and emotional stress can lead to temporary hair loss. This can often take the form of telogen effluvium, where hair follicles are pushed into a resting state or trichotillomania, a psychological condition where a person pulls out their hair.
6. Hairstyles and treatments: Hairstyles that pull tightly on the hair (like ponytails or cornrows) or harsh treatments like hot oil treatments and permanents can cause some hair loss.
7. Poor nutrition: A lack of proper nutrients, such as not getting enough protein, iron, or other vitamins and minerals, can also contribute to hair loss.
8. Age: As you get older, your hair generally gets thinner and tends to break more easily.

How does red light therapy work for hair loss?

Red light therapy treatment works to combat hair loss by utilizing specific wavelengths of light to stimulate cellular activity in the hair follicles. The process begins when red or near-infrared light, typically within the range of 630-670 nanometers, is directed towards the scalp. This light is believed to penetrate the skin to a depth of 8-10 millimeters. 

Once the light energy is absorbed, it's converted into cellular energy. This conversion stimulates the hair follicles, potentially promoting their growth and health. 

it significantly enhances the activity of dermal papilla cells, which are crucial in controlling the cycling and growth of hair.

A key element of this therapy is its action on the mitochondria, the energy-producing centers of cells.

By enhancing the production of ATP (adenosine triphosphate), the primary energy carrier in all living organisms, cellular metabolism and activity are increased. 

This leads to healthier hair follicles capable of producing thicker, more robust hair shafts.

Additionally, red light therapy is thought to increase blood flow in the scalp. 

This delivers more nutrients and oxygen to the hair follicles, further bolstering their health and growth. 

Some research also suggests that the therapy can help prolong the growth phase of the hair cycle, resulting in less shedding and more growth over time.

Treating male pattern baldness with red light therapy

In 2019, an investigative study was carried out over six months, focusing on males suffering from pattern hair loss and the subsequent alterations in protein expression within their dermal papilla tissues - a key component in hair growth. 

The study participants, who were grappling with thinning hair and pattern hair loss, were subjected to red light therapy sessions lasting 25 minutes every alternate day over half a year.

Through the identification of up-regulated proteins, the researchers concluded that red light therapy was instrumental in promoting hair growth and counteracting the hair miniaturization process associated with baldness, by improving the function of dermal papilla cells.

In 2014, a separate study was conducted to understand the safety and physiological impacts of red light therapy on men affected by pattern baldness. 

The study consisted of 44 participants who had a portion of their scalp trimmed down to a height of 3 mm. This section was then tattooed and photographed. 

The participants were divided into two groups, with one receiving red light therapy every other day for 16 weeks, while the other group was given a placebo treatment. 

Study results say:

• Notable post-treatment hair count rises in the red light group.
• 35% increase in hair growth within the red light group.
• Absence of side effects or adverse events reported.

Treating female pattern baldness with red light therapy

Numerous studies and treatments have emerged, with red light therapy standing out as one of the most extensively researched and validated hair loss treatments available for women today.

To investigate the efficiency of red light therapy for women who want to grow hair in areas experiencing typical hair loss, a researcher from the earlier-mentioned study on men decided to replicate the study, this time with female participants suffering from hair loss.

The study was a double-blind, randomized trial carried out identically: 47 women had a section of their scalps cut down to a height of 3 mm. This area was then tattooed and photographed. 

The women were divided into two groups: one group underwent red light therapy every other day for 16 weeks, while the other group was given a placebo treatment. 

After the study, the researchers discovered that the hair growth results for women were even more promising than those for men. 

Results show:

• The noteworthy rise in hair count post-treatment for women.
• A substantial 37% boost in hair growth in the group receiving red light therapy.
• No instances of side effects or adverse reactions were reported.

Are there any side effects of red light therapy for hair loss?

The multitude of studies on red light therapy has almost unanimously reported a lack of side effects. Some individuals with sensitive skin might encounter brief instances of skin redness or a sensation of tightness. 

It's crucial to note, though, that these are not symptoms of burns that could occur due to excessive exposure to UV light, as red light does not induce burns. 

Any redness or tightness is likely a result of increased blood circulation to the treated region and should dissipate within a few minutes post-treatment.

While some hair restoration medications might lead to undesired hair growth, this isn't the case with low-level light therapy. As it triggers the body's inherent growth mechanisms, hair regrows only in the usual areas and specifically in the regions treated.

The succeeding section delves into clinical trials of red light as a remedy for permanent hair loss (as opposed to temporary hair loss connected with cancer treatment) utilizing RLT, focusing particularly on low-level laser therapy facilitated via low-powered visible red light laser treatment devices.

Generally, laser therapy is conducted in clinical environments; the limited laser treatment devices accessible for home use are small, implying that treating the entire scalp would be highly time-consuming.

LED devices that emit red light are just as efficient in promoting new hair growth as visible red light laser treatment devices. LED devices offer a safe and effective solution for at-home treatment.

Pros and cons of red light therapy for hair loss

Red light therapy has been studied for its potential effects on hair loss, with several positive outcomes reported.

Let's consider the essential advantages and drawbacks of red light therapy:

Pros:

1. It's a non-surgical procedure.
2. It could potentially alleviate scalp inflammation.
3. May stimulate collagen production.
4. Could enhance blood flow.

Cons:

1. Time-consuming process.
2. High in cost.
3. Has Inconsistent efficacy.

Other effective hair loss treatments

Scandinavian Biolabs Hair Growth Routine

The Scandinavian Biolabs Hair Growth Routine is a 3-step program aimed at helping reduce hair loss, fostering new growth, and enhancing hair strength.

The routine is packed with plant growth factors, including Curcuma longa stems cells developed through advanced stem cell technology. 

These cells have been shown to decrease hair loss by up to 89% and boost hair density by 52%.

In addition, the routine incorporates Niacinamide for stimulating blood flow, Aloe Vera for scalp hydration and soothing, an Amino Acid Complex for reinforcing the hair shaft, Vanillyl Butyl Ether to increase localized blood flow, and Zinc PCA to regulate sebum production.

Collectively, these ingredients work together in the Scandinavian Biolabs Hair Growth Routine to promote healthier, thicker, and stronger hair.

Minoxidil

Minoxidil is a medication that is commonly used for the treatment of hair loss. It's available over the counter, typically in a liquid or foam form, which is applied topically to the scalp.

It is thought to work by prolonging the growth phase of the hair follicles and stimulating follicles that have stopped producing hair to start growing hair again. 

It's more effective at slowing down or stopping hair loss than at regrowing lost hair, although some users do experience some hair regrowth.

Finasteride

Finasteride is a prescription medication that's used to treat male pattern hair loss (androgenetic alopecia) and benign prostatic hyperplasia (BPH), which is an enlarged prostate. 

Finasteride is a type of drug called a 5-alpha reductase inhibitor. it works by blocking the conversion of testosterone into dihydrotestosterone (DHT) in the body. 

DHT is a hormone that can bind to receptors in the hair follicles and cause them to shrink, weaken, and eventually die, leading to hair loss. 

By reducing the amount of DHT, finasteride can help to prevent hair follicles from shrinking and can thereby reduce hair loss and even lead to regrowth of hair in some men.

Platelet-rich plasma therapy

This is a procedure that uses a person's blood to promote hair growth. Blood is drawn and then processed to isolate the plasma, which is rich in platelets (cells in the blood that help with clotting and healing). 

This platelet-rich plasma is then injected into the scalp to stimulate hair growth.

Hair transplant

This is a surgical procedure where hair follicles are taken from a part of the body (usually the back or side of the head, where hair is more resistant to balding) and transplanted to the balding area of the scalp. 

A hair transplant is a more invasive option but can provide permanent results for some individuals.

Does red light therapy for hair loss actually work?

Yes, red light therapy can effectively work for hair loss. By exposing the scalp to low levels of red or near-infrared light, this treatment stimulates blood flow and cellular activity, potentially leading to increased hair growth. It is a non-invasive method that can be performed in a clinic or at home using a specialized device.

Red light therapy, or low-level laser therapy (LLLT), operates on the premise that laser treatments can invigorate circulation and stimulate hair follicles to promote hair growth. 

The red or near-infrared light emitted by the device is absorbed by the cells in the scalp, which then helps to stimulate hair follicle activity and promote hair growth.

Numerous studies have demonstrated the efficacy of red light therapy for hair loss. A systematic review published in the journal "Lasers in Medical Science" in 2013 revealed that LLLT stimulated hair growth in both men and women. 

Further, a 2014 study published in the "American Journal of Clinical Dermatology" reported that participants who used an at-home LLLT device experienced an increase in hair density. 

Given these findings, red light therapy can be a viable alternative for those finding traditional hair restoration treatments ineffective or those struggling with their side effects.

Conclusion

Red light therapy is a non-invasive treatment option for hair loss that shows promising results. The therapy involves exposing the scalp to low levels of red or near-infrared light, which stimulates cellular activity in the hair follicles, promoting hair growth and density. 

Clinical trials have demonstrated positive outcomes for both male and female pattern baldness when treated with red light therapy. 

Participants experienced an increase in hair count, hair growth, and overall improvement in the function of dermal papilla cells, with no reported side effects. 

In addition to red light therapy, there are other effective hair loss treatments available, including Scandinavian Biolabs Hair Growth Routine, Minoxidil, Finasteride, platelet-rich plasma therapy, and hair transplant surgery. 

It's important to consult with a healthcare professional or dermatologist to determine the most suitable treatment approach based on individual needs and circumstances.

Overall, red light therapy offers a non-surgical, safe, and potentially effective option for individuals seeking to slow down hair loss, stimulate hair growth, and improve overall hair health.

FAQs

How often should you do red light therapy for hair loss?

The frequency of red light therapy for hair loss can vary depending on the specific treatment protocol and device being used. However, a common recommendation is to undergo sessions 2 to 3 times per week. Each session typically lasts for about 15 to 30 minutes. 

How long do you use red light therapy for hair growth?

Generally, it is recommended to undergo red light therapy for several months to see noticeable results. Consistency and regularity are important, so it's common to continue treatment for at least 3 to 6 months or longer. 

Can I use red light therapy at home for hair loss?

Yes, there are at-home devices available for red light therapy. These devices, often in the form of a comb, helmet, or handheld device, can be used to apply the therapy to the scalp. It's important to follow the manufacturer's instructions and to keep in mind that results can vary and may take several months to be noticeable.

What are the results of red light therapy on hair?

Red light therapy has shown promising results in promoting hair growth, increasing hair density, reducing hair shedding, improving hair thickness and quality, and enhancing overall scalp health. However, individual responses may vary, and results depend on factors such as the underlying cause of hair loss and the consistency of treatment.

Are there side effects of red light therapy for hair growth?

Red light therapy for hair growth is generally considered safe and non-invasive, with minimal side effects reported. However, some individuals with sensitive skin may experience temporary redness or a sensation of tightness in the treated area, which typically subsides shortly after the treatment. It's important to note that red light therapy does not carry the risk of burns associated with excessive UV exposure. 

References:

1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3986893/
2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3944668/
3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4265291/
4. https://www.statisticbrain.com/hair-loss-statistics/

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