Reviews Analyzed
21
We Collect & Analyze Reviews
Kiierr
Experiences & Reviews
Kiierr is a company that sells at-home low-level laser therapy (LLLT) caps and related devices aimed at addressing hair thinning. Its products are marketed for consumer use with online ordering, warranty options, and customer support channels. Consumers researching Kiierr typically look for device effectiveness, battery and fit details, shipping timelines, and the companyโs return or guarantee policies.
Overview & Key Metrics
Positive Sentiment
90%
Latest Review
16d
Overall Rating
4.4
Our Analysis
๐ฏ
Service quality
Most reviewers report responsive customer support, troubleshooting help and refunds when needed; a small share report unresolved or delayed cases.
Share of mentions
Strong
15%
๐ฐ
Value for money
Customers reference financing, rebates and a money-back or growth guarantee; a few dispute added fees (e.g., battery replacement) or narrow refund terms.
Share of mentions
Strong
9%
โก
User experience
Users commonly find the caps comfortable and easy to use; frequent minor complaints involve a tethered battery pack and the prescribed treatment time.
Share of mentions
Strong
17%
๐ง
Product quality
Reports are mixed: several reviewers describe visible regrowth and comfortable fit, while others note slow or no results and battery or fit failures.
Share of mentions
Mixed
16%
๐
Communication
Many reviewers note timely shipping and proactive order updates; several also report delays in processing or occasional non-response from the seller.
Share of mentions
Strong
17%
โญ
Overall experience
Most reviewers give a positive overall assessment, citing support, usability and some regrowth; a minority report disappointing outcomes or service gaps.
Share of mentions
Strong
25%
Our Independent Methodology
How we analyze customer reviews without bias
Data Collection
We analyze public reviews from verified platforms like Google, Trustpilot, and Facebook.
AI Analysis
Our AI detects patterns in genuine customer experiences without modifying content.
100% Independent
Zero company influence. No payments, no bias โ just real customer voices.
Always Current
Updated regularly with the latest reviews and customer feedback.
Featured Customer Experiences
Representative examples from 21 verified reviews (December 2021 โ October 2025).
Approve
"Received promptly. Easy to read instructions. I had a bald spot from cryosurgery with 50/50% chance of regrowth as per Dr. I have be..."
Irene Leclerc
Trustpilot
Oct 01, 2025
Featured for: Positive regrowth with prompt delivery
Disappointing experience
"I purchased a Kiierr Laser Cap in November, 2024 at the cost of $739. The battery died 10 months later. The company provided trouble shooting instruct..."
Customer
Trustpilot
Oct 01, 2025
Featured for: Negative battery failure and poor communication
Kiierr 272 laser cap review
"Although the laser hat did not grow new hair it may have slowed my hair loss. I believe it will regrow hair with some forms of hair loss. They have al..."
JM
Trustpilot
Oct 01, 2025
Featured for: Service support refund and guarantee
I ordered and received my 272 cap lastโฆ
"I ordered and received my 272 cap last week. Arrived within 4 days of order. I ordered this as an update to replace my IGROW unit that had stopped wor..."
Michelle Holt
Trustpilot
Oct 01, 2025
Featured for: Comfortable fit improved design shipping
All Reviews
Filtered, experience-based customer reviews from public sources; vague and duplicate submissions removed.
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Showing all 21 reviews
All Customer Reviews
Sources: Trustpilot (20) ยท Collected.reviews (1) ยท Quotes shortened ยท As of: October 2025
J
JM
trustpilot.com
Oct 01, 2025
Kiierr 272 laser cap review
Although the laser hat did not grow new hair it may have slowed my hair loss. I believe it will regrow hair with some forms of hair loss. They have al...
A
Alessandro
trustpilot.com
Oct 01, 2025
Great Support Team
Kiierr has been wonderfully responsive and supportive. Iโm excited...
B
Bill c
trustpilot.com
Oct 01, 2025
Give it a try
Product is easy to use. they offer rebates and a growth guar...
T
Teddis Beasley
trustpilot.com
Oct 01, 2025
I ordered one it didnโt fit they saidโฆ
I ordered one it didnโt fit they said they would send me a larger one and they havenโt 4 weeks later the company is a scam and wonโt re...
C
Carl Peszek
trustpilot.com
Oct 01, 2025
Results have been a little slow but easy to use.
Kiierr was very responsive and...
M
Melissa
trustpilot.com
Oct 01, 2025
Itโs pretty easy to use
Itโs pretty easy to use, would have like to not...
I
Irene Leclerc
trustpilot.com
Oct 01, 2025
Approve
Received promptly. Easy to read instructions. I had a bald spot from cryosurgery with 50/50% chance of regrowth as per Dr. I have be...
C
Customer
trustpilot.com
Oct 01, 2025
Disappointing experience
I purchased a Kiierr Laser Cap in November, 2024 at the cost of $739. The battery died 10 months later. The company provided trouble shooting instruct...
R
Rob
trustpilot.com
Oct 01, 2025
Great Long Term Customer Service
After several years of use my cap stopped working. Allsion from customer service helped me troubleshoot, suggested a replacement battery...
J
Jen Eppich
trustpilot.com
Oct 01, 2025
Easy to use & good customer service
Thus far, I have had no problems with this device. It is comfortable to wear (although itโs good to know that the hat is not โflexibleโ; rather, it is...
A
Andrew Ferguson
trustpilot.com
Oct 01, 2025
Very easy order process
Very easy order process, communicated well about shipping times, and the instructions that came with the product were easy to...
M
Michelle Holt
trustpilot.com
Oct 01, 2025
I ordered and received my 272 cap lastโฆ
I ordered and received my 272 cap last week. Arrived within 4 days of order. I ordered this as an update to replace my IGROW unit that had stopped wor...
S
Shawn Christie
trustpilot.com
Oct 01, 2025
The device took 20 days to arrive, mostly due to โprocessing timeโ
The device was eventually delivered but it took 20 days from the time it was ordered, which in my case meant that I wonโt be able to use it for a coup...
M
Mike Carลn
trustpilot.com
Oct 01, 2025
Woww
Wow, these diodes are bright! I received my cap within a week and the financing option with affirm made it an easy decision to prevent my hair from th...
M
Marj
trustpilot.com
Oct 01, 2025
The cap arrived as promised.
The cap arrived as promised. I purchased the cap on the 19 and it arrived by the 22nd. The instructions were easy to follow. The battery...
S
Stuart Altman
trustpilot.com
Oct 01, 2025
Just used the cap for the first time
Just used the cap for the first time. S...
D
Dwight Ortiz
trustpilot.com
Oct 01, 2025
Slight delay on deliveryโฆ
There was a slight delay on delivery but Louder was very proact...
Y
YvonneS
trustpilot.com
Oct 01, 2025
Recommend this red light gear for hair - easy to use and charge
Gear is easy to use and charging is a breeze. It can be used while doing other things as the battery is very portable and I love the mirror on the bat...
A
Aletheia Potier
trustpilot.com
Oct 01, 2025
Easy online ordering
Easy online ordering. I am also happy with customer service. The registration asks for a photo of the persons hair, and based on the website language...
P
Priya
trustpilot.com
Oct 01, 2025
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 send...
Conclusion
Reviews show a mix of outcomes for Kiierr devices: many customers praise responsive support, straightforward ordering, and some report visible regrowth. Several reviewers highlight easy setup and comfortable fit, while recurring negatives concern battery failures, processing or delivery delays, and inconsistent results for some users. If you consider a purchase, check warranty and battery replacement terms, document progress with photos for guarantee claims, and expect some variability in individual outcomes. For concerns about fit or device failure, contact support promptly and confirm refund or replacement policies before buying.