How Often To Use Red Light Therapy For Hair Growth

Whether or not you are willing to accept it, hair plays a significant role in your overall appearance. Even though many of you invest a significant amount of money in your hair, many still deal with issues such as hair thinning, loss, gray hair, pattern baldness, etc.

Many people are interested in red light therapy since it has become very popular for potentially helping hair growth But how often to use red light therapy for hair growth? You will discover everything in this article regarding regrowth hair.

However many treatments are available for hair loss nowadays, but each one can only stop the thinning of hair to a limited extent. While some treatments are as easy as taking a pill or using a certain shampoo, others, such as hair transplant surgery, require more significant surgical procedures. So, the solution may be red light therapy.

Continue reading to learn how often you should use red laser therapy for your hair growth.

Why Does Your Hair Fall Out?

Hair loss makes room for new hair to grow. The average person has up to 100,000 hairs on their head, and only 50–100 may fall out every day. After that, the causes are harder to figure out.

Here are the most common factors why your hair falls out:


Genetics plays a huge role in the hair loss process, so the most common cause of hair loss is hereditary hair loss or androgenetic alopecia.

Male pattern baldness is marked by hair loss in the shape of an “M” that starts at the temples and ends in a bald spot in the back. It can start during puberty or much later in life. 

Female pattern baldness usually shows up as thinning on the top and crown of the head, widening of the center part, and no change to the hairline in front.


Men and women can lose hair because of both short-term and long-term stress. In cases of acute stress, hair loss is often caused by a specific event, like the sudden death of a loved one, an accident, an illness, or surgery. This hair loss may only last for a short time. 

On the other hand, chronic stress, like that from a job, a relationship, or financial worries, also seems to speed up hair loss.

Poor diet

In particular, insufficient protein hurts hair follicles and worsens hair loss. Even though more than 40 million Americans are malnourished because they are poor, it is easy to get junk food. So, many Americans get enough calories but not always the nutrition they need.

Related: Can Red Light Therapy Cause Hair Loss?

Red Light Therapy and Hair Growth

Red light therapy is a type of phototherapy that uses certain wavelengths of light, which might help reduce inflammation, speed up the healing process, and make the skin look healthier

Red light is a part of the visible light spectrum. It should not be confused with infrared or ultraviolet light, which humans can’t see.

This means that it may help your body in much the same way that sunlight helps plants by making more energy at the level of the cells.

Red Light therapy hair growth


How Does Red Light Therapy Work for Hair Growth?

The red light may be especially good at stopping hair loss. The best wavelengths are between 620 nanometers (nm) and 660 nanometers. It works by getting more blood to the scalp, which may speed up the metabolism in hair follicles and help in growing more hair.

When you’re losing hair, you don’t lose the follicles. Follicles are tube-like structures that hold hair to the skin. The hair bulb is at the bottom of each follicle. The papilla and the matrix are in the bulbous part of the vase. This is where hair starts to grow. 

The hair shaft is mostly made of a protein called keratin. When the hair follicles, papilla cells, and matrix cells aren’t producing the needed proteins, they can’t help hair grow, so hair growth slows down or stops.

A red light from the RLT devices for hair growth goes through the skin to the base of the hair follicles, where it may stimulate the cells, papilla, and matrix to make more energy.

This makes it easier for the cells to reproduce. This leads to new hair growth from follicles that were dormant before.

How Often Should You Use RLT for Hair Growth?

When using red light therapy on the scalp, the best results come from being between 12 and 14 inches away. You also won’t have to spend a lot of time on this. Just use the device three to five times a week for 10 to 20 minutes each time.

Like the other ways to treat hair loss, you’ll need to follow these instructions for a few months to get the best results. You should also keep using red light therapy to make sure the results last.l

Where Does Red Light Therapy Not Work?

It is important to remember that red light therapy may work for many types of hair loss, but it doesn’t always work. For example, chemotherapy-related hair loss will keep happening until the treatment is over. The same is true for medications that cause hair loss as a side effect.

Additionally, hair follicles that have been permanently damaged by an injury, surgery, burns, or something else will not grow back. Remember to see your doctor if you lose a lot of hair quickly or in clumps.

Together, red and near-infrared light may be very powerful in helping hair growth.

You Might Be Interested: Can Red Light Therapy Reverse Grey Hair?


We have come to the very end. Now you know how often to use red light therapy for hair growth. Red light therapy is a natural treatment for hair loss that has been shown to potentially work for both male and female pattern baldness.

It is safe and works well. In most studies, red light treatments have been shown to increase the number of follicles, make hair thicker, and help people feel better about their looks and themselves.

If you’ve had trouble with hair loss and tried treatments that didn’t work, you might want to give natural red light therapy a try. You may be surprised by the possible results.

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