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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Review Time

James
Happy so far

I just bought this last week and am very happy with the customer service and the quality of the product. Over time will see the results, they do offer cash rebates for leaving reviews so worth keeping that in mind when reading all these.

5
Date of experience: Nov 29, 2025
Paul Fox
Quick to answer or help..............

When you write and ask a question or have a concern this company is quick to write you back. I had a few questions and each time within the SAME day I got an answer. I am sure sometimes they may have to investigate your question, but on all my questions, I got fast responses. Tell me, how many companies do you know that has that reputation.

5
Date of experience: Nov 28, 2025
HZaima
I could not give it 5 stars yet

I could not give it 5 stars yet. So far so good though. I just received the 272 Dual Wave Laser hat several weeks ago so I have not seen its hair growing affects to date, but I do know that my right knee felt a little pain i.e., tweaky so I used it over my knee and it has seemed to have recovered. No more pain, so it indicates to me that the laser is working. More details to come on the hair growth side in the future.

4
Date of experience: Nov 27, 2025
Brian Harden
Experience so far

I have a pretty big head and it fits me well. Ive only been using it for about a month so I have a while before I know if it actually works. I'll update the review after a few months. I actually find it relaxing to wear and nod of sometimes.

5
Date of experience: Nov 24, 2025
Carrie Austin
Product arrived in a timely manner

Product arrived in a timely manner. I appreciate the opportunity to guarantee hair growth.

4
Date of experience: Nov 17, 2025
Ryan Barnes
Great product

I really enjoyed using this, noticed a lot of thickness along my hair line! Very relaxing to use too!

5
Date of experience: Nov 13, 2025
Linda Fermoyle Rice
Things Are Looking Up, I Hope

At what has been a stressful time for me, a female, with sudden hair loss, I found Kiierr's website to be very informative, helpful and hopeful for my situation. Ordering was easy, delivery came promptly, and the instructions were easy to follow. I also appreciate their Growth Guarantee policy and the fact that they helped me to easily obtain a Medical Necessity letter so I could pay for their product using my health savings account.

5
Date of experience: Nov 10, 2025
Seth Berger
So far so good

So far so good! I like it and I am excited to track my progress.

5
Date of experience: Nov 09, 2025
Hat size is misleading

I wrote customer service regarding the size of the hat which sits rather high on the crown of my head. The ad says the 272 premier hat is 23 or 23.5 inches in circumference. In reality they measured the outside perimeter of the hat. The actual inside perimeter seems to be closer to 22 inches. Mt head measures 23.5 inches and it concerns me that the hat sits high on my head and although I asked customer service about this, 5 days later I have received no response.

2
Date of experience: Nov 07, 2025
Ruben Brundell
Delivery and customer service are…

Delivery and customer service are great! The cap is sturdy, using the 302 MD Ultra Flex, and after four months of usage I might be seeing results. It’s hard to tell thus far. I have used it daily and not missed a day, and will continue doing so, because from experience bodily change might take time, even if it’s hard to discern clear results at this moment in time.

4
Date of experience: Nov 07, 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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