L'Oreal Paris Magic Root Cover Up Gray Hair Spray
- Temporary, lasts until next shampoo
- Spray 4-6 inches from dry roots
- Dries in 1 minute before styling
- No ammonia, peroxide, formaldehyde or mineral oil
- Color-treated, natural and synthetic hair
- Buildable in light layers
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A temporary root spray for stretching time between color appointments, with buildable coverage that washes out at the next shampoo. Extensive grays need a permanent color, since this one is made for touch-ups.
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ASIN: B01648QPDMCategory: Hair Mascaras & Root Touch Ups
Overview
Spraying this L'Oreal root cover up onto dry roots hides grays in seconds, building coverage in light layers that bond to hair on contact. The color holds through the day without smudging or flaking and rinses out with the next shampoo.
Quick root concealment between salon visits is what it does, and the formula skips ammonia and peroxide entirely. It is temporary, so coverage resets every wash and extensive grays call for a permanent color.
Who it's for
Color-treated hair with regrowth, thinning partings and faded hairlines all benefit from a quick, washable fill. Those with a full head of gray wanting lasting coverage should choose a permanent dye.
Pros and cons
- Covers roots in seconds
- No smudging or flaking
- Washes out with shampoo
- Ammonia and peroxide free
- Washes out at the next shampoo
- Shade named only in the title
- Not for extensive grays
Performance notes
Color bonds to the hair on contact, so coverage depends on even, light layers rather than one heavy blast. Holding the can at the stated distance spreads the mist across the root line without spotting. Combing through and letting it dry before styling helps it set.
Specifications
| Brand | L'Oreal Paris |
|---|---|
| Construction & materials | |
| Hair Color Permanence | Temporary, until next shampoo |
| Material Type Free | Ammonia, peroxide, formaldehyde, mineral oil |
| Other details | |
| Item Form | Spray |
| Hair Type | Fine, thick, straight, curly; color-treated, natural, synthetic |
| Application distance | 4-6 inches from dry hair |
| Dry time | 1 minute |
Frequently asked questions
Does L'Oreal Magic Root Cover Up work on synthetic hair?
Yes. The listing says it works on color-treated, natural and synthetic hair.
How long does L'Oreal Magic Root Cover Up last?
It holds through the day until your next shampoo.
Is L'Oreal Magic Root Cover Up a permanent hair dye?
No. It is a temporary spray. L'Oreal points to Magic Root Permanent for extensive grays, with coverage lasting up to 4 weeks.
Can L'Oreal Magic Root Cover Up fill a thinning part?
Yes. The listing says it fills in sparse or thinning areas and refreshes a faded hairline.