kiierr.com

4.6
4.6 Based on 80 reviews

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....

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Average Rating

4.6

/
5

80 Reviews

5 Star
81%
4 Star
7%
3 Star
4%
2 Star
1%
1 Star
7%

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Rebecca Vickner
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!!! :)

5
Date of experience: Aug 01, 2025
Alexa
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.

5
Date of experience: Jul 31, 2025
Riley Long
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!

4
Date of experience: Jul 28, 2025
Ethelreda
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

3
Date of experience: Jul 21, 2025
Derek Morgan
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

5
Date of experience: Jul 15, 2025
Celinda Baker
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!

1
Date of experience: Jul 15, 2025
Jet B.
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!

5
Date of experience: Jul 13, 2025
guiguitreu37
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!

5
Date of experience: Jul 10, 2025
Bertrand Reed
Sales Manager.

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

5
Date of experience: Jul 10, 2025
Bill
Kiierr Customer Service. After using the Laser Cap for 5 years it stopped working. I contacted Cust

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.

5
Date of experience: Jul 09, 2025

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Business Details

  • 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.

  • email service@kiierr.com
  • language https://kiierr.com

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