Kiierr Hair Growth Reviews 

361
•
TrustScore 4.5 out of 5

4.4

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Review summary

Created with AI, based on recent reviews

Looking at 152 reviews, reviewers overwhelmingly had a great experience with this company. Customers frequently mention that the laser caps are comfortable, simple to incorporate into daily routines, and built with solid, high-quality materials. Consumers also deeply appreciate the responsive and helpful support team, noting that questions and technical issues are addressed quickly. However, some reviewers were not happy with the product sizing, mentioning that the caps fit poorly, look awkward, or felt smaller than expected. A few other people also felt that customer service completely lacked proper communication when dealing with delayed shipments, returns, or unanswered support messages.

What people talk about most

Product

Consumers find product to be positive, highlighting the comfortable fit, high-quality build structure, and... See more

User experience

People report positive experiences with user experience, highlighting that the process is remarkably easy and... See more

Quality

Customers consistently note positive experiences with quality, praising the solid build structure and... See more

Customer service

Users describe positive interactions with customer service, frequently highlighting rapid replies and helpful... See more

Response time

Reviewers mention positive feedback about response time, consistently highlighting rapid replies and prompt... See more

Reviews shaping this summary

Rated 5 out of 5 stars

I’ve struggled with female pattern balding my entire life and, honestly, I had almost given up hope. I decided to invest in the Kiierr Laser Cap and have been using it alongside topical minoxidil. For... See more

Rated 5 out of 5 stars

I am a physician and have 2 caps at my office and my daughter also uses one- I discovered the new dual cap and ordered it. Due to my own address typo error it went missing. I have never had such exce... See more

Rated 5 out of 5 stars

Kiierre's customer service is outstanding , exceeds most companies I have ever dealt with. in addition their products are high quality, and dependable. I have a laser cap that has helped me treme... See more

Rated 5 out of 5 stars

I just received my Kiierr 272 laser cap and my experience with the company has been great so far. Ordering was easy, shipping was prompt, and the packaging felt premium and well thought out. The c... See more


Company details

Written by the company

Kiierr Laser Hair Growth Cap is the worlds finest hair growth product. Our FDA cleared laser caps are 100% safe and effective to regenerate hair follicles.


Contact info

4.4

Excellent

TrustScore 4.5 out of 5

361 reviews

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1-star

No recent history of asking for reviews

This company hasn't invited customers recently, so reviews may not be representative

Replied to 25% of negative reviews

Typically replies within 1 week

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4.4

All reviews

(361)

150 reviews in the last 12 months

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Rated 5 out of 5 stars

Professional and Customer Focused

Initially, I had some issues with the product and the process, but the company not only issued me a full refund, they also went a step further by sending additional vitamins to support my journey. I truly appreciate the effort they put into ensuring customer satisfaction, and their professionalism has left me with a very positive impression. They genuinely wanted me to feel treated fairly and happy — much appreciated!

12 August 2025
Unprompted review
Rated 5 out of 5 stars

I ordered a lot of products from KIIERR…

I ordered a lot of products from KIIERR International I have received all my products I live in Australia I had a query and I received a reply straight away the products I started using at the moment is the hair brush does wonders I will slowly start using the cap I appreciate all the help from the staff and replying all my queries thank you very I appreciate all your help

9 March 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you so much, Kristina. We’re happy to hear your products arrived safely and that you’re already enjoying the brush. We appreciate your kind words and are excited for you to start using the cap as well :)

Rated 5 out of 5 stars

On April 11th 2023 I got a brain…

On April 11th 2023 I got a brain operation done, where they removed a benign ( good) tumor of 6.5 cm x 5 cm out of my little head.
It started with vision loss in my right eye. I could only see about 5-10%. After an MRI of the head, they discovered this “little friend” living in my head, which was pressing on my R optical nerve, and because of that, I was losing vision!
No panic!! I had an amazing team of doctors and nurses who took care of me.
What was supposed to be a 6 hour operation, turned into an 8h 20 min operation from the time of incision.
The neurosurgeon told me that I might have a few issues after the operation, of which my hair not being able to grow back where they cut me open in the hairline, from L ear to R ear.
Long story short….. God had other plans….Where I was supposed to stay 5-7 days in the hospital, and of that 1 day ICU, turned out that I stayed 2 days in ICU and I was strong enough to go back home!! I wasn’t allowed to wash my hair in the beginning. Later on with only Johnson and Johnson baby shampoo and conditioner. No coloring of the hair…
Weeks went by and I recovered pretty quickly.
But all of a sudden, I noticed a lot of loss of hair. Losing hair in huge bundles….! I got scared and in a panic mode….
Even worse, when my friend asked me if I was losing hair….
I asked how she knew, and she said that there was a huge “hole” in the back of my head with no hair.
So I started to investigate what I could do to help myself!!
One of my neighbors was sharing with me, that she was selling these LED light brushes in her salon and with great results.
Knowing myself…. I started to investigate many different products and why one product to say yes to and run from the next one.
So I ended up on Kiierr.com, after my research.
I was happy to find out that Kiierr had Medical grade Laser in the helmet, and that was what I was looking for!!
I bought one and started to use it every day.
Honestly…. I would wear it a few time longer, after the 7 min beep told me that it was time to take it off.
Now the volume slowly came back. What I mean with that is, that you could pretty much see through my hair, like a sheer curtain hanging.
Now there is some volume back. Not where I want it to be yet…. But I know it will get better, after seeing from where I came from!
I wished there was something that I could use to make it grow faster and longer, because I had to cut it a lot shorter, because of the way it looked….
I miss my long curly hair…. And can’t wait to get the curls and length back!!
But if you want to know if this really works…. Don’t ask…. You know the answer already, after sharing my story with you!

7 August 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you so much for sharing your journey. What you’ve been through is incredible, and we’re so glad you found Kiierr to support your recovery. It’s inspiring to hear how far you’ve already come and that you’re seeing volume return. We know how much your hair means to you, and we’ll be cheering you on as you continue to grow back those curls :)

Rated 1 out of 5 stars

Thieves and a Robotic CS

Do not buy from this company. They sell products that are never in stock and expect you to wait months and hope you forget! They never keep you up to date on status of orders and their customer service is abominable! Every reply is less than 5 words and unhelpful or lies! Stay away from Kiier you can get these supplements from another vendor easier and cheaper on Amazon and actually get the product!

15 July 2025
Unprompted review
Rated 5 out of 5 stars

Great product

Great product, great price point. Also, the warranty does not require several registration steps upon receiving the laser cap

5 August 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your kind words! We truly appreciate the feedback :)

Rated 1 out of 5 stars

I order the hat and it was allegedly…

I order the hat and it was allegedly delivered. I never got my package. I tried talking to customer service. They won’t talk to you over the phone. Only email and they pretty much brushed it off. I lost around $700.
Never got a replacement or a refund.
Do NOT waste your money.
Get your cap from a different company.

16 September 2024
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for sharing your feedback. We promptly responded to all of your messages and did not brush you off.

According to the tracking information provided by FedEx, your order was marked as successfully delivered. The delivery proof showed that the package was left at the address provided during checkout.

We quickly responded to your emails to address your concerns. We understand your frustration, but unfortunately, we are unable to issue a replacement or refund when we are provided proof from FedEx that it was delivered.

We appreciate your patience, and if there is anything else we can do to assist you, please don't hesitate to reach out. Thank you again for your feedback.

Rated 5 out of 5 stars

Just received my Kiierr laser cap…

I received my Kiierr cap just this week so I have only used it twice. I received a personal message after ordering thanking me for my order and letting me know the company was available for any questions or concerns. That was unexpected and very nice. I am looking forward to seeing some new hair growth over the next few months.

3 August 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback! We are happy to hear that you have had a positive experience. If we can be of any future assistance, please do not hesitate to contact us.

Rated 5 out of 5 stars

The hair cap has helped so much with…

The hair cap has helped so much with hair growth. I have lots of baby hairs, so I know it is working. The Kiier cap is as good as Rogaine only much easier to use (and less messy). I would totally recommend the hair cap for hair growth. Also, the customer service from Jami is always 5 stars/excellent!!! :)

1 August 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback! We are happy to hear that you are enjoying the product. If we can be of any future assistance, please do not hesitate to contact us.

Rated 5 out of 5 stars

Definitely try this!

This has been a great addition to my beauty routine. As a woman in my late forties, I purchased the cap when I noticed patches of thinning hair which made me feel very self-conscious. I tried other topical products, but they didn't do much. I have been using the Kierr cap for around 4-5 years now, I have noticed I have more even hair growth in the areas that concerned me (temples and top of head). I feel much more confident. Customer service has been great also for anything I needed to reach out for.

31 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback! We are happy to hear that you are enjoying the product. If we can be of any future assistance, please do not hesitate to contact us.

Rated 5 out of 5 stars

Kiierr 270 MD and the face masl

I purchased Kiierr 270 MD and the Kiierr face mask in early July (living in BC Canada) and received them in about 10 business days. It was all smooth and easy. I've been using them for about two weeks, and expecting to see initial results in 4-5 months.

1 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback! We are happy to hear that you are enjoying the product. If we can be of any future assistance, please do not hesitate to contact us.

Rated 4 out of 5 stars

Initial use results

After only 2 weeks of the Kiierr premier laser cap, I noticed decreased shedding and my hair/scalp feeling stronger and healthier. I am so excited to have found a treatment option that works for female pattern hair loss!

28 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback! We are happy to hear that you are starting to see improvement. If we can be of any assistance, please do not hesitate to contact us.

Rated 3 out of 5 stars

Battery failed in less than 1 month

I purchased a 'reconditioned' cap which was nearly $600. It worked fine for almost a month, but then started to malfunction. It was easy to get response to questions from Kiier, but battery replacement was $25. I was unhappy that it worked for such a short time period, although it does seem effective in slowing hair loss

21 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for that feedback, we appreciate it. Please email service@kiierr.com and we would be happy to address the above concerns.

Rated 5 out of 5 stars

It's been 6 weeks and I am noticing a…

It's been 6 weeks and I am noticing a difference. I can't wait what 7-8 months will look like. The major thing is being consistent, I have the 272 cap which is every other day. This was my last ditch effort before coming to terms with I am going to lose my hair. I wish I would have done this before the noticeable balding. Trust the process: Kiierr!

28 May 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

Rated 5 out of 5 stars

Kiierr Customer Service. After using the Laser Cap for 5 years it stopped working. I contacted Customer Service and they said I needed a new battery and told me how to get it.

Hello,
I'm a 68 yr. old woman and a few years ago noticed my hair had thinned a lot on the top, which was upsetting as I always had nice hair. My friend owned a hair salon and told me that laser therapy can help to grow hair. So, I researched the internet and decided on the Kiierr Laser cap. I started using it in June 2020 and followed the directions of 30 minutes every other day. After a few months I noticed some new growth and kept using the cap. Now, it's been 5 years using it and I've been very satisfied with the results. I recommended it to my sister, she bought one and is also happy with it.

9 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

Rated 5 out of 5 stars

The 272 model really works

I bought their 272 cap at the start of the year and my hair is already back to where i wanted it to be. And it’s been so easy incorporating it into my routine. I just wear it while I check my phone on the couch at night

15 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

Rated 5 out of 5 stars

Top tier treatment!

Their light therapy face mask was the best one I’ve ever tried…and I’ve tried them all! Super lightweight and breathable; felt like a celebrity getting their at home pamper treatment while using this! Definitely recommend!

10 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

Rated 5 out of 5 stars

Red light therapy WORKS!

Wow! My husband has been using this red light therapy cap religiously! He even brought it with him on vacation. That’s how easy and portable this is to use. We think we are starting to see results but it’s still early stages. Consistency is definitely key with red light therapy! I have gotten some absolutely incredible results from my red light therapy mask, so we have no doubt that we will see hair growth in the future! What an incredible company!

13 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

Rated 5 out of 5 stars

Sales Manager.

I like dealing with the Sales Mgt. Her responses were quick and thorough.

10 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

Rated 5 out of 5 stars

My hair began to thin as I got older

My hair began to thin as I got older. I could only wear it super-short and even then it looked spare. I tried Minoxodil which had unpleasant side effects and which I don’t recommend. At the advice of a physician, I bought the Kiierr Premier Laser Cap. I use it on alternate days, and I can now wear my hair much longer and it isn’t as thin and limp as it was. It’s costly, but it’s a purchase that lasts a long time—mine for four years now—and Kiierr is a responsive company if there are any issues. I definitely recommend this product and love my new hair.

9 July 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

Rated 5 out of 5 stars

Laser Cap Battery

I had a battery issue with my laser cap and the customer service response was phenomenal! That’s a rarity these days so I’m very happy that I ordered from Kiierr.

30 June 2025
Unprompted review
Kiierr Hair Growth logo

Reply from Kiierr Hair Growth

Thank you for your feedback!

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