If you're shopping for an FDA-cleared LLLT device for hair loss, you're choosing between iRestore and Capillus. Both have FDA clearance, both have clinical evidence, but they have different designs, prices, and strengths. Here's the comparison.

Brand Overview

iRestore

iRestore is the leading direct-to-consumer LLLT brand. Their helmet-style devices are bulky but powerful, with the most published clinical data in the category. The product line ranges from the $499 Essential to the $1,295 Elite. Strong Amazon presence with verified ASINs.

Capillus

Capillus is the leading cap-style LLLT brand. Their low-profile caps fit under any hat for discreet treatment. The product line ranges from the Capillus Ultra (entry-level) to the SPECTRUM (premium with Bluetooth). FDA-cleared with clinical data.

Design Comparison

iRestore: Helmet Design

  • Bulkier, sits on top of head
  • More diodes in flagship models (282–500)
  • Better scalp coverage
  • Less discreet — you can't easily wear it in public
  • Less expensive per diode

Capillus: Cap Design

  • Low-profile, fits under any hat
  • Fewer diodes in comparable price tier
  • More discreet — wear anywhere
  • Bluetooth app connectivity on premium models
  • More expensive per diode

Spec Comparison

FeatureiRestore EssentialCapillus SPECTRUM
Price$499$999
Diodes51 lasers + LEDsLaser diodes (count not published)
Wavelength655nm + 630nm670nm
FDA-clearedYesYes
DesignHelmetCap (under hat)
BluetoothNoYes
Money-back guarantee6 monthsVaries

Price Comparison

iRestore offers better value at every price tier:

  • Entry: iRestore Essential ($499) vs. Capillus Ultra (~$650+)
  • Mid: iRestore Professional ($895) vs. Capillus Plus (~$850+)
  • Premium: iRestore Elite ($1,295) vs. Capillus SPECTRUM ($999)

At the entry level, iRestore is significantly cheaper. At the premium tier, Capillus is slightly cheaper but has fewer published specs.

Try iRestore risk-free: Check iRestore Essential on Amazon →.

The Verdict

For most users, iRestore is the better choice. More diodes for the price, stronger clinical data, longer money-back guarantee, and better Amazon availability.

Choose Capillus if discretion is your top priority — the cap design lets you treat hair loss without anyone knowing. But for most users, the iRestore Essential at $499 with a 6-month money-back guarantee is the lowest-risk way to try LLLT.

Check iRestore Essential Price on Amazon →

Frequently Asked Questions

For most users, iRestore. More diodes per dollar, stronger clinical data, longer money-back guarantee. Choose Capillus if discretion (cap design) is your top priority.
Yes — both brands have FDA-cleared devices for hair regrowth in androgenetic alopecia.
iRestore publishes their diode counts (51 for Essential, 282 for Professional, 500 for Elite). Capillus doesn't publish exact counts for the SPECTRUM, but historically has fewer diodes than comparable iRestore models.
Yes — that's the main advantage of Capillus. The low-profile cap fits under any baseball cap or beanie, allowing discreet treatment anywhere.
Both work for female pattern hair loss. iRestore has more clinical data on female subjects. The helmet design works fine for women with longer hair.
No need — they deliver the same therapy (655–670nm LLLT). Pick one and use it consistently. Using both would just add cost without adding benefit.

Our Top LLLT Pick

The iRestore Essential is FDA-cleared, $499, and comes with a 6-month money-back guarantee.

Check on Amazon →