Kala Therapy Hat (KALA-91) review
By Kirill Gissa · Published · Specs checked Oct 7, 2026 · 
8.75OF 10
Very good
Verdict
Scores 8.75/10, tied for 13th of the 15 hair devices we track. At $339.99 it costs less than half the category median of $879.50.
Best for
A lower budget: $339.99, in the cheapest quarter of the 14 hair devices with a published price
Skip if
You want a verified clearance: Kala's claim matches no 510(k) on file
- Price
- $339.99
- Wavelengths
- 650 nm
- LEDs
- 91
- FDA
- Not confirmed
- Warranty
- 2 years
- Returns
- Not returnable
Wavelengths
650 nmred
As listed by Kala. Source: kalaredlight.com, checked Oct 7, 2026.
Specs and sources
Checked Oct 7, 2026 · source under each valueLight output
Use and safety
Buying
Brand pageFDA database
FDA status
Clearance not confirmed
Kala says it is FDA-cleared. I couldn't match it to a 510(k) record.
Checked on Oct 7, 2026. What cleared, listed and approved mean
Warranty, returns and shipping
Warranty2 years
ReturnsSee below
Final sale, not returnable.
ShippingFree
Free shipping to the US and Canada.
Warranty: 2 years. Returns: Final sale, not returnable. Shipping: Free shipping to the US and Canada. Source: kalaredlight.com, checked Oct 7, 2026.
Source: kalaredlight.com, checked Oct 7, 2026.
Compared with similar hair devices
All 15 hair devices →Wavelengths: 655 nm · Warranty: 1 yearScore 9.25/10
$299See specs →
Wavelengths: 2 (660–850) · Warranty: 1 yearScore 8.75/10
$299Check price →
Kala Therapy Hat (KALA-91)THIS MODEL
Wavelengths: 650 nm · Warranty: 2 yearsScore 8.75/10
$339.99
Wavelengths: 650 nm · Warranty: 1 yearScore 9.25/10
$449Check price →
| Model | Price | Wavelengths | FDA | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| HairMax Ultima 12 Classic LaserComb | $299 | 655 nm | Cleared, K110233 | 1 year | 9.25/10 | See specs → |
| Hooga Red Light Therapy Hat | $299 | 2 (660–850) | No record found | 1 year | 8.75/10 | Check price → |
| Kala Therapy Hat (KALA-91)THIS MODEL | $339.99 | 650 nm | Not confirmed | 2 years | 8.75/10 | |
| HigherDOSE Red Light Hat (HG-120K) | $449 | 650 nm | Cleared, K242363 | 1 year | 9.25/10 | Check price → |
| Bon Charge Red Light Cap | $449 | 2 (650–655) | Cleared, K253349 | 1 year | 9.25/10 | Check price → |
