Regrowthy laser cap presented as a technical product study on a cream laboratory surface

Regrowthy vs iRestore vs Kiierr vs Capillus

Compare the device before you compare the promise.

These brands compete in the same hardware category. Put diode count, wavelength, clearance, session protocol, guarantee terms, and current price on one ledger.

660nm

Wavelength

272

Laser diodes

FDA

Cleared device

7 RCTs

In home-use review

Device specifications are Regrowthy product data. RCT count: JCAD systematic review.

Regrowthy Laser Therapy Cap with topical and internal daily support
LightTopicalInternal

The comparison continues beyond hardware

A device can be the foundation of a broader routine.

The hardware ledger compares published device specifications. Regrowthy also offers Density Drops and Daily Density Capsules as optional topical and internal layers, so the product decision can extend beyond diode count alone.

Laser device feature matrix

Four devices. The published specifications.

AttributeRegrowthyiRestore ProfessionalKiierr 272 PremierCapillus Pro
Primary mechanismLight plus optional topical and nutritionDHT plus blood flowDHT plus blood flowDHT plus blood flowNutraceutical
Prescription requiredNoYes for finasterideYesYes for finasterideNo
12 month entry cost$289.99$384$516$720$948
Device includedYesNoNoNoNo
Guarantee terms30 day money backSee selected planSee selected planSee selected planSee selected plan
Side effect profileDevice cautionsPrescription drug warningsPrescription drug warningsPrescription drug warningsSupplement cautions

On mobile, swipe sideways to keep each attribute aligned.

Prices and offers change. Each competitor value links back to the official product source below. FDA clearance does not establish that all devices produce equivalent outcomes.

The specification audit

Read every number in context.

Regrowthy

$289.99

272 laser diodes

660nm

15 minute auto timer

30 day money back

Official details

iRestore Professional

$799

282 lasers and LEDs

655nm

25 minutes every other day

12 month guarantee, terms apply

Official details

Kiierr 272 Premier

$1199

272 laser diodes

650nm

30 minutes every other day

7 month guarantee, terms apply

Official details

Capillus Pro

$1699

272 laser diodes

650nm

6 minutes daily

6 month guarantee with fees and terms

Official details

Device purchase price

The same category spans a wide price range.

Regrowthy

$289.99

iRestore

$799

Kiierr

$1199

Capillus

$1699

All four products are one-time device purchases. Bars use the current displayed price checked on July 11, 2026. Promotions can change without notice.

Official sources: iRestore, Kiierr, and Capillus.

The science is published in

SKINmed JournalLasers in Surgery and MedicineJournal of Cosmetic DermatologyJournal of Clinical and Aesthetic DermatologyJournal of Drugs in DermatologyInternational Journal of Pharmaceutics

Clear answers

Questions worth answering fully.

Does a higher diode count automatically mean better results?+

No. Diode count affects coverage and device design, but wavelength, power, dose, session protocol, adherence, and the evidence for the specific device also matter.

Are all four devices FDA cleared?+

The compared Regrowthy, iRestore Professional, Kiierr 272 Premier, and Capillus Pro listings identify the devices as FDA cleared. Clearance is not the same as FDA approval of a drug.

Why do the prices differ so much?+

Brand position, enclosure design, light source mix, session protocol, warranty, guarantee, accessories, and promotions all affect price. This page compares published specifications rather than assuming price proves efficacy.

Are the listed prices permanent?+

No. Competitor prices and promotions can change. The page states when the figures were checked and links each official product page.

Zero risk

Try it for 30 days.
Keep the results or your money.

If you are not completely satisfied within 30 days, return it for a full refund, no questions asked. Every cap also carries a 1-year manufacturer warranty.

Explore the Full System
30-day money back1-year warrantyFDA-cleared