L'Oreal Paris Colorsonic Hair Dye Cartridge 5
- Device sold separately, cartridge only
- Up to 3 uses: three root touch-ups or one full head
- Applies in 5 minutes with the device
- 100% gray coverage claimed, permanent color
- 22 shades in the range
- No ammonia, silicones, parabens, SLS, SLES or phthalates
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A refill cartridge of permanent medium natural brown color for the Colorsonic device, which auto-mixes and applies dye. Without the device it is useless, so buy it only if you own one.
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ASIN: B0FKNHDKJ7Category: Hair Color
Overview
L'Oreal Paris makes this Colorsonic cartridge to click into its hair dye device, which mixes color automatically, parts hair and saturates strands as you brush. Medium Natural Brown is a permanent shade that covers grays.
Mess-free, no-mix home coloring is the case for it, and one cartridge stretches across several touch-ups. The device is a separate purchase, and a full head uses the whole cartridge.
Who it's for
Suited to people already using Colorsonic who want medium brown root touch-ups between salon visits. Those without the device, or chasing a dramatic lift to a lighter shade, need a different product.
Pros and cons
- No mixing or bowls
- Several touch-ups per cartridge
- Permanent gray coverage
- Device sold separately
- One full head per cartridge
- Cartridge only works with Colorsonic
- Shade must be chosen carefully
Performance notes
The device mixes dye and developer inside the cartridge path and pushes it through bristles that part and coat the hair, which is what gives even saturation without manual sectioning. Permanent dye then develops in the hair shaft for lasting color.
Specifications
| Brand | L'Oreal Paris |
|---|---|
| Construction & materials | |
| Color | 5 Medium Natural Brown |
| Hair Color Permanence | Permanent |
| Material Type Free | Ammonia, silicone, paraben, SLS, SLES and phthalate free |
| Included components | |
| Included Components | Color cartridge (device sold separately) |
| Other details | |
| Hair Type | All |
| Recommended Uses For Product | Root touch-up, gray coverage, all-over color |
| Uses per cartridge | Up to 3 root touch-ups or one full head |
Frequently asked questions
How do I store a partly used Colorsonic cartridge?
The listing says each cartridge gives up to 3 uses, so it is meant to be reused. It does not give storage steps; follow the device instructions.
Does the Colorsonic cartridge work without the device?
No. The cartridge pops into the Colorsonic device, which is sold separately.
Will Colorsonic cover gray hair?
The listing claims 100% gray coverage with permanent color.
How long does Colorsonic take to apply?
The listing says you can apply color in just 5 minutes with the device.