Who they are
Kiierr sells laser caps for hair, two of them in our data, and nothing else. It sits in the mid-to-upper part of the laser cap market at $1,449 and $1,849, above illumiflow and below Capillus and the HairMax Lumina for the same diode count.
Manufacturing location is not published in our records. The commercial model runs on a quiz-gated offer promoted in the site navigation, advertised as saving $150, with the savings unlocked after completing a hair quiz and the exact mechanics not detailed on the site. The affiliate programme runs through Refersion at 12 percent.
The seven month money-back guarantee, 210 days in our records, is the longest in the laser cap category and is the single most consumer-friendly term any hair brand here offers. That is not a small thing when the treatment protocol requires roughly six months of consistent use before you can judge anything.
What they actually publish
Total optical output, in the right units, with the emitter type stated honestly. That combination is rarer in this category than it should be.
Both Kiierr caps are stated at 1,360 mW total laser output across 272 diodes at 650nm. Note what that number is: total optical power in milliwatts, not irradiance in mW/cm2. For a cap, that is arguably the more useful figure, because the device sits on your head at a fixed distance and the relevant question is how much light the whole array puts out. It also lets you do the arithmetic. 1,360 divided by 272 is 5 mW per diode, which is consistent with HairMax's 272 laser cap at the same 1,360 mW and with illumiflow's 272 Pro, also at 1,360 mW.
More importantly, all 272 emitters are laser diodes. There is no LED padding of the count. That distinction is the central thing to understand when shopping hair devices, because the clinical evidence behind low-level light therapy for hair is built on lasers specifically. iRestore advertises 500 diodes on its Elite, but that figure combines lasers and LEDs, and its Essential model splits 120 diodes into 51 lasers and 69 LEDs. CurrentBody's hair helmet is 120 emitters and zero lasers. A 272 figure that means 272 lasers is a genuinely different product from a 272 figure that means something else, and Kiierr's is the former.
What Kiierr does not publish is joules per session. Theradome does, stating 727 joules per session on the PRO LH80 and 363 on the EVO LH40, and that is the number that actually describes a dose. Power output tells you the tap size. Joules tell you how much water came out. Kiierr gives you one and not the other.
The range
The 272 Premier MD Laser Cap at $1,449 runs 272 laser diodes at 650nm, 1,360 mW total, full scalp coverage, a two year warranty and a 210 day money-back guarantee.
The 272 MD Elite Complete System at $1,849 has the same 272 diodes, the same 1,360 mW output and the same clearance, with roughly 25 percent more scalp coverage. Four hundred dollars for extra coverage most people do not need. The case for it is a larger head or diffuse thinning across the whole scalp rather than a receding front.
Both need six months of consistent use before results can be assessed, which is why the seven month guarantee is well designed rather than merely generous. It is long enough to actually complete the protocol and still return the device.
Regulatory position
FDA cleared, and Kiierr states that clearance for hair growth dates to 2018.
Cleared means the FDA reviewed a 510(k) submission and agreed the device is substantially equivalent to a legally marketed predicate for a specific stated intended use. It is not FDA approval. The clearance covers the stated use and nothing beyond it, and it is not a prediction that the device will work for any particular person.
Kiierr does not publish its 510(k) number in our data, which is a real gap given how many competitors do. HairMax traces to K180885. Qure prints K230042. illumiflow's caps trace to K162071 and K173843. Theradome's helmets are on file as K161046 and K180460. iRestore's Essential maps to K213094. When a number exists and is public, printing it costs nothing and lets a buyer verify the claim in about ninety seconds. Kiierr's clearance is not in doubt here, but the verification burden should not sit with the customer.
Who should buy it, who should not
Buy the 272 Premier MD if you want a genuine all-laser cap with published total output and you value the seven month guarantee enough to pay above illumiflow's price for it. On diode count and output it matches caps costing $500 more, and the return window is the best protection in the category for a treatment that takes half a year to evaluate.
Do not buy the MD Elite unless you have a larger head or thinning across the entire scalp, because you are paying $400 for coverage rather than for more light. Do not expect results without six months of consistent daily use. And if what you want is a published dose in joules rather than a power figure, Theradome is the only brand in our hair data that gives you one.