Are you struggling with hair loss or looking to grow your current hair thicker and stronger? If so, you’re fortunate enough to be living in the 21st century where you are supplied with endless products and services to help maintain your health and appearance. One such product credited to improving the overall health of hair is a laser hair growth cap. This product is the most effective hair growth device on the market in the hair growth industry to date.

If you are not exactly sure whether or not a laser cap is for you, don’t stress. In this complete guide, I will discuss everything you need to know about Kiierr’s laser cap for hair loss. This should help answer all of your questions you may have about the technology, product, customer service, etc. Follow along below!

Kiierr’s Ultimate Goal

why am i losing hair

Kiierr’s main objective is to provide a hair growth treatment for men and women to improve the overall health of their hair. It crucial to us that we provide outstanding service to our customers while providing a device safe to use at home. Your safety is our priority, along with providing a natural hair growth treatment you can depend on.

The Hair Growth Cycle and Hair Loss

hair growth cycle

The hair growth cycle consists of three different stages that each have their own primary function. These three stages are the anagen, catagen, and telogen stage.

  1. Anagen Phase: This is the growing stage of the hair follicle. The hair can remain in the anagen stage anywhere from 2-6 years. The growth begins in the papilla, which is the base of the hair follicle. The hairs on the scalp are in the anagen phase about 90% of the time.
  2. Catagen Phase: This is also known as the transitional stage and can last up to 2 weeks. During this time, the hair follicle begins to shrink, preparing itself to enter the next phase.
  3. Telogen Phase: The third and final stage of the hair growth cycle. The telogen phase is where the papilla becomes completely detached. This is when the hair begins to shed. This stage generally lasts about 6 weeks but can last up to 12 weeks at times. Once the telogen stage is complete, the hair growth cycle starts all over again.

If you are experiencing hair loss or thinning hair, your hair is spending the majority of its time in the telogen phase of the hair growth cycle. The opposite also holds true.

Kiierr Laser Cap - Guaranteed Hair Growth Improvement Within 7 Months

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The Science Behind the Laser Hair Cap

laser caps use low level light therapy for hair regrowth

Low level light therapy is a technology that uses light to penetrate the skin tissue. Light therapy stimulates the re-entrance of the anagen phase in hair follicles that are currently in the telogen phase. The scientific concept of low level light therapy (LLLT) is that light emitted from the laser stimulates the growth of hair and reduces hair loss. This process, known as photo-biotherapy, occurs when laser light absorbs weakened cells and stimulates their metabolism and protein synthesis.

When this happens, the skin tissue is stimulated by the therapy treatment, resulting in increased blood flow to the scalp. Increased blood flow helps regenerate and/or improve the hair follicles on the scalp.

Kiierr’s Laser Cap Science Specifics

Light therapy is measured in nanometers (nm). The laser wavelength of the Kiierr laser hair growth cap is 650 nm. This specific wavelength has been clinically proven to effectively stimulate the hair follicles to encourage regrowth.

Kiierr’s laser caps contain lasers that emit light at 5 milliwatts (mW). Milliwatts describe the power behind the laser energy. The laser caps emit this light energy through medical grade laser diodes for the most effective and noticeable results.

Kiierr Laser Hat for Hair Loss Design

kiierr 272premier laser cap for hair growth

The FDA-cleared laser cap Kiierr provides to customers is lightweight, portable, functionable, and convenient. The cap is very comfortable and fits the heads of both men and women up to 23.5 inches in circumference (there is also an XL cap available for purchase). They are equipped with the most upscale technology to provide outstanding results for users. The laser helmet contains 148 or 272 medical grade laser diodes depending on which cap you purchase. These pulsating medical grade laser diodes emit low level light therapy from the bulbs placed in the panel inside the helmet.

Why Pulsating Lasers?

Kiierr uses pulsating lasers in the FDA-cleared laser caps, meaning that they flash on and off throughout the treatment time. Research has shown that pulsating lasers are more effective in producing hair growth results than the constant laser light.

When the pulsating lights follow ‘on’ times with ‘off’ times, there is less tissue heating to the scalp area. This allows pulsating lasers to deliver the low level light therapy treatment to deeper tissues of the scalp. With the light therapy penetrating deeper into the tissue, it allows more stimulation and growth opportunities to the hair follicles.


laser hair cap system

Treatment therapy is completed every other day for a time of 30-minutes.  It is a common question as to whether or not treatment will yield better results if completed every day. The answer is no. Your scalp needs a day of rest in between treatment sessions for it to recover and respond appropriately to the therapy.

Using the cap every other day for 30-minutes will produce the best hair growth results. Typically customers can see noticeable hair growth within 4-8 months depending on the person and how their scalp reacts to the therapy. Check out our testimonials for real results!

Kiierr Equipment

Customers will be provided with a portable battery and all of the necessary equipment to power the cap. The battery, which can clip onto a pant waistband, allows the user to roam freely around the house. We encourage our customers to complete chores, cook dinner, or read a book throughout the treatment time. You can even wear your cap outside your home if you please. One of the best features of the laser hair growth caps is the convenience. You are able to finish your treatment at any point in your day, no matter your location.

7-Month Growth Guarantee and Warranty

kiierr warranty

Kiierr’s laser hair growth cap stands above at an 89% success rate. However, if you try a laser cap from Kiierr and find it to be unsuccessful after 7-months of religious use, contact us and we will initiate your return. This allows our customers to purchase risk free knowing they can receive their full money back if the laser cap does not produce results.

At time of purchase, customers will also receive a free two-year warranty. You will also have the option to extend your warranty for a fixed price.

Who Benefits from Using a Laser Cap? 

A Complete Guide to Kiierr’s Laser Cap for Hair Loss

Men AND women ages 18 and older all qualify for a laser cap. Laser caps are intended to help men and women looking to regrow hair in problematic, thinning areas of the head. They are also effective in helping men and women strengthen existing hair follicles to create a healthier, thicker head of hair. Kiierr laser caps are not recommended for individuals who are completely bald.

Kiierr Customer Service

If you ever have a question or need help with your laser cap, Kiierr customer service representatives will take care of you. We pride ourselves in our friendly and knowledgeable staff. Working around the clock to provide the best service for our customers, Kiierr is here to help!

Why Kiierr Can Work for You

woman shocked to see hair falling out in brush

Better breathing cells make for a better functioning hair follicle and happier, healthier hair! The Kiierr Cap is backed by experts in the fields of science, medicine and technology. Optimal power and ease of use are at the heart of our cutting-edge technology, giving our patients the best possible hair growth results.

The laser light emitted through the medical grade laser diodes help to massage and increase blood flow and circulation to the scalp. Increased blood flow works to boost new hair growth and fights damage done to the hair. As the hair on your scalp receives more oxygen, the follicles on your scalp are able to breathe more successfully. This inhibits new growth and healthy maturation.


This complete guide to Kiierr’s laser cap for hair loss covered in depth questions to help you better understand our ultimate goal in helping our customers. Kiierr stands true to providing the best technology, equipment, and products to start your successful hair growth journey. If you are suffering from hair thinning/balding or looking to improve the overall health of your hair, let us help!

Between the top-notch technology, portable design, and friendly customer service, we have you covered. It has never been this simple to grow your hair.


Do you still have questions? Give us a call or leave them in the comments below! In the meantime, checkout our laser cap reviews page for amazing results.


Laser Cap for Hair Loss FAQs

How much does laser cap cost?

Kiierr laser caps start at an affordable price of $595. Kiierr offers monthly payment plans through Affirm.

Do lasers really regrow hair?

Yes. Medical grade lasers are clinically proven to regrow hair on the scalp.

What is the best laser cap for hair growth?

The best laser cap for hair growth contains atleast 272 medical grade laser diodes and a money back guarantee.

Does laser cap work for hair loss?

Yes. Laser caps are FDA-cleared medical devices proven to combat hair loss among men and women.

Article Review Process at Kiierr

Each piece of content on our website undergoes a thorough verification process, overseen by our panel of medical experts. These professionals, with their extensive medical training, ensure that every article is not only current but also accurately reflects medical facts and interpretations.