The Kiierr 272 Premier scores 7.5 and ranks 3rd of 40 in Laser Hair Growth Caps & Helmets; the HairMax RegrowMD 272 scores 6.5 and ranks 9th of 40 in Laser Hair Growth Caps & Helmets. The 272 Premier leads on value, the RegrowMD 272 on wavelength spec.
What Kiierr272 Premier and HairMaxRegrowMD 272 owners report
Independent sources, scored for each model. 272 Premier on 4 of five, RegrowMD 272 on 4.
KiierrHairMax
Reddit
+1 HairMax
Kiierr 272 Premier
4.0/10
HairMax RegrowMD 272
5.0/10
The HairMax RegrowMD 272 reading covers the whole brand.
What they say
Kiierr272 Premier
Reddit names the 272 Premier in few threads and carries one owner's account of using it.
In a May 2026 r/redlighttherapy thread (44 comments), an owner who bought a Kiierr 272 disliked the length of each session and moved to a second-hand Capillus with 6-minute sessions.
A June 2025 r/redlighttherapy thread comparing the 272 Premier with the Capillus PRO (9 comments) drew no reply from a Kiierr owner.
The longest thread, a June 2022 r/redlighttherapy question about the 272-diode MD cap (94 comments), holds a November 2022 complaint from an owner of a standard-size Kiierr whose model is not named: the battery held its charge poorly and needed charging after every use by month three, the USB connector worked loose mid-session, the cap was far too small while the larger size cost about twice as much, and a refund required registration, before-and-after photos and a restocking fee.
A July 2026 r/tressless thread (32 comments) adds an owner who says Kiierr told him a guarantee return would carry the 25 percent service fee despite his monthly photos, also without naming the model.
HairMaxRegrowMD 272
No Reddit owner of the RegrowMD Laser 272 posts about it by name; the one named mention is a February 2025 r/FemaleHairLoss poster (52-comment thread) weighing it against iRestore because the PowerFlex 272 was out of stock, citing the 20 percent deduction on the money-back guarantee.
HairMax caps in general draw a handful of owner comments.
In a March 2026 r/FemaleHairLoss thread (33 comments), one owner used a HairMax cap for about a year, then moved to iRestore for its longer sessions, and now keeps the HairMax for travel, and a September 2026 commenter paid about $1,700 for a 7-minute HairMax cap and called it the simplest routine she has tried.
In February 2026 an r/tressless commenter backed out of buying a HairMax cap on reading complaints about build quality and repair returns, and in July 2026 the Taste of Calm author posted a link to her own commission-earning review of a HairMax cap.
Google
+1 Kiierr
Kiierr 272 Premier
7.0/10
HairMax RegrowMD 272
6.0/10
Both readings are about these exact models.
What they say
Kiierr272 Premier
Two hands-on write-ups cover the 272 Premier.
Innerbody's Kiierr review, which earns commission on its links and offers 15 percent off with its own Kiierr code (INNERBODY), ranks the 272 Premier its best choice for most men after testing Kiierr caps over several years, logs 5 to 7 sessions per charge against 3 to 4 on the Illumiflow 272, and rates comfort 8.1 out of 10.
The same review reports that about half its testers found the standard cap small, that only the supplied headband kept the Premier in place through bending and running, that the Premier lacks the eye-safety sensor fitted to Kiierr's MD caps, and that 30-minute sessions every other day are the cap's biggest drawback.
Susan Carraretto of 5 Minutes for Mom, who received the 272 Premier free from Kiierr and states she is not an affiliate, unboxed it in December 2020 and wrote in a May 2022 update that she had used it fairly consistently since, describing a single start button on the removable battery pack and a 30-minute auto shut-off.
Wareable's May 2026 review, which carries affiliate links, tested the 148 Pro rather than this cap.
HairMaxRegrowMD 272
One hands-on review covers the RegrowMD Laser 272: Taste of Calm's October 2025 write-up (updated September 2026), whose author paid about €1,300, has used the cap three to four times a week for over a year, and earns Amazon commission on the links in the piece.
She finds it easy to wear hands-free while working, notes slight scalp warmth, a beep every 10 minutes, a sturdy storage case and a high-quality build, and says it sits a little large on her head but stays in place.
Against it she lists the price, the 30-minute session she skips on mornings she goes out (she would pick the 7-minute PowerFlex next time), and a hairmax.com order that brought no confirmation email, no reply to three support requests and a 2 to 3 week wait with no tracking.
YouTube
tied
Kiierr 272 Premier
6.0/10
HairMax RegrowMD 272
6.0/10
Both readings are about these exact models.
What they say
Kiierr272 Premier
Video coverage of the 272 Premier comes almost entirely from Healthnews, the Cybernews health channel, which links the cap under its own Kiierr discount code (CYB) and earns commission on the sale.
Its July 2024 unboxing review (12,783 views) is the most watched.
Its January 2026 review (3,684 views), made after about a month of use, describes a dome of about a pound inside a baseball cap that felt like a regular hat with a little extra weight, a Velcro strap at the back for head size, light warmth the host called pleasant, and a 30-minute auto shut-off, and raises no complaint.
Its February 2026 comparison with the iRestore Elite (6,353 views) carries discount links for both devices.
The other videos found are a 2019 unboxing from a channel pointing viewers to its own eBay listing and Kiierr's own testimonial uploads, neither of which counts.
HairMaxRegrowMD 272
Three small independent channels show the RegrowMD cap in use, none above about 1,100 views.
Garage Gym Greatness ran the cap 30 minutes three times a week and posted at 2 months (November 2025, 1,024 views) and 6 months (March 2026, 1,142 views), with no affiliate links in either description; he rated it five stars for ease of use and found every laser still working at 6 months, but said the battery pack now drops to half soon from a full charge and lasts about three sessions, which he tied to charging it on a fast charger.
Tong Zou's January 2024 unboxing (63 views, no links) shows a roughly $600 purchase, a carrying case and a battery pack charged over micro-USB through a separate wall adapter he calls a weird setup.
Gina Amazon Finds (April 2026, 55 views), a channel that links to buy it on Amazon under a commission, has used a HairMax cap for about 18 months and warns that its charging port accepts only some USB-C cables, though the 15- and 30-minute settings she describes are ones HairMax lists for the PowerFlex rather than the RegrowMD.
Amazon
+1 Kiierr
Kiierr 272 Premier
8.0/10
HairMax RegrowMD 272
7.0/10
Both readings are about these exact models.
What they say
Kiierr272 Premier
Kiierr's only laser-cap listing on Amazon US (ASIN B0BGT7JBNM), sold by Kiierr International and fulfilled by Amazon at $1,099.99, holds 3.8 from 107 ratings, split 56 percent five-star against 18 percent one-star; its title names the 272 and 148 device family, but the listing offers no variations and sells only the 272-diode cap.
Ease of use is tagged 20 times, all positive, quality 24 times, 22 positive, and battery life 6 times, 4 positive.
Fit is tagged 8 times, 5 positive, but staying in place is tagged 8 times, 5 negative, with owners saying the cap falls off when they move, and size 5 times, 4 negative, including one reviewer whose 23-inch head would not fit a cap advertised for 24 inches.
A July 2026 one-star review reports a unit that broke within 60 days and a replacement battery promised four weeks earlier that had still not shipped, and another reviewer says the end-of-session beeper failed and emails to Kiierr went unanswered.
HairMaxRegrowMD 272
The Amazon US listing for the cap (ASIN B07G8MMR53, sold by Hairmax Official and shipped by Amazon) is no longer live; before that it held 3.5 from 317 ratings, split 47 percent five-star against 24 percent one-star, at $549 against a typical $599 around July 2025, and at $1,099 and $1,199 at other times.
Amazon's aspect tags count fit 16 times, 13 negative, battery life 10 times, all 10 negative, value for money 16 times, 11 negative, and quality 12 times, 7 negative.
In the written reviews, a November 2020 owner went two months without a working charging cord despite two calls, a June 2025 buyer received a unit that looked used, and a February 2021 owner found the sports cap would not fit over the laser shell and the start-up and 10-minute tone too loud.
On the other side, a February 2020 owner had a failed cap replaced with a new cap, battery pack and case within days, and a 2019 owner found the silicone liner comfortable for 30-minute sessions though tight on a large head.
Kiierr272 Premier vs HairMaxRegrowMD 272: pros and cons
What each one does well, and where it falls short.
Kiierr272 Premier
What we like
510(k) K181878 describes the 272-diode650 nm cap
272 lasers at 650 nm1,360 mW total per Kiierr
Cordlessauto-off, worn under an ordinary ball cap
Elite XL version for heads up to 24.5 in
Ease of use tagged 20 times on Amazonall positive
What holds it back
30-minute sessions every other day
No output measurement published
Runs small and slips when movingper Amazon tags and one review site
2-year warranty
Guarantee refunds keep a 25 percent fee unless monthly photos are kept
HairMaxRegrowMD 272
What we like
510(k) K180885 describes the 272-diode capand GUDID lists it
272 lasers at 655 nmunder 5 mW, Class 3R in the manual
$1,199$600 below the PowerFlex 272
Wears inside the included baseball cap or another hat
Switches off at 30 minutespack rated for 3 sessions a charge
What holds it back
30-minute sessions against 7 on the PowerFlex 272
Fits heads up to 22.5 inches
Guarantee refunds keep a 25 percent restocking fee on this page
Amazon fit tagged 16 times13 negative; battery life 10 times, all negative
No wavelength or laser class on the product page
1-year warranty
Kiierr272 Premier vs HairMaxRegrowMD 272: the numbers
Price, scores and rank, then only the specs that differ. Green marks the side with more.
Kiierr272 Premier vs HairMaxRegrowMD 272: common questions
Is the Kiierr 272 Premier better than the HairMax RegrowMD 272?
On our scores, the Kiierr 272 Premier is ahead, 7.5 against 6.5. The Kiierr 272 Premier leads on value (7 against 5) and warranty & support (4 against 2). The HairMax RegrowMD 272 leads on wavelength spec (10 against 9).
Which has more safety listings, the Kiierr 272 Premier or the HairMax RegrowMD 272?
The HairMax RegrowMD 272. The Kiierr 272 Premier lists none; the HairMax RegrowMD 272 lists IEC 60825 class stated.
Which has the longer warranty, the Kiierr 272 Premier or the HairMax RegrowMD 272?
The Kiierr 272 Premier: 2 Years, against 1 Year.
What do owners say about the Kiierr 272 Premier and the HairMax RegrowMD 272?
Across 4 independent sources scored for both, the Kiierr 272 Premier is ahead on Google and Amazon; the HairMax RegrowMD 272 is ahead on Reddit; YouTube is level.
Scores calculated 8 October 2026 · Products excluded where fewer than two independent sources cover them · Researched and edited by Michael Ambrose · Unbroken Ads LLC · How we score