The L’Oreal Paris Root Cover Up Gray Concealer Spray is a fast, temporary color solution designed to conceal gray roots in seconds. It works on all hair textures and types, including synthetic hair, and leaves no smudging once dry. This 2 oz bottle is ideal for quick touch-ups between shampoos, with the convenience of a lightweight, quick-drying formula that is ammonia-free and peroxide-free, and contains no synthetic dyes.
Benefits at a glance
- Fast coverage — conceal gray roots in just 3 seconds for a quick touch-up.
- Versatile application — suitable for black, brown, blonde, and red hair, as well as synthetic textures.
- Long-lasting until next shampoo — one application stays in place until you wash your hair.
- No harsh chemicals — ammonia-free and peroxide-free, with no synthetic dyes.
- Easy to use — simple spray application with a quick dry time and minimal residue once dry.
Ingredients and why they matter
- Hydrofluorocarbon 152A — a propellant that helps deliver the color spray evenly from the can for consistent root coverage.
- Butane — a propellant that aids in delivering the product as a fine mist for precise application.
- Ethyl Trisiloxane — a smoothing agent that helps the spray settle smoothly on the hair shaft.
- Isobutane — another propellant that supports even dispersion during spraying.
- Iron Oxides (CI 77499) — provides natural-looking color in the shade range, including the Light to Medium Blonde variant.
- Trimethylsiloxysilicate — lightweight film-forming ingredient that helps the color stay in place as it dries.
- Methyl Trimethicone — provides slip and helps reduce clumping for a smoother finish.
- Trimethoxysilane — aids in product performance and color dispersion.
- Notes on safety — product is ammonia-free and peroxide-free, and contains no synthetic dyes. Always read the label before use and follow all instructions on the packaging.
Who this is for and usage tips
- Ideal for anyone needing a quick root touch-up to cover gray between coloring sessions.
- Good for all hair textures and types, including synthetic hair, seeking fast color assistance without commitment.
- Storage tip: keep the can away from heat or open flame and store upright when not in use.
- Safety reminder: test on a small area first to ensure color match and to check for any skin sensitivity.
As a temporary cosmetic color, this product is designed to wash out with the next shampoo. The lightweight formula dries quickly and does not leave behind sticky residue when dry.
With eight shade options, you can find a match for dark to light blondes, brunettes, and beyond. Packaging may vary, and what you receive may not perfectly reflect online images, but the shade Light to Medium Blonde is formulated for blonde tones in particular.
How to use L’Oreal Paris Root Cover Up Gray Concealer
A quick, easy spray routine to cover gray roots between colorings.
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Prepare
Shake the can well and hold it 10-15 cm away from dry roots to ensure an even spray.
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Apply
Spray with light, steady pressure across the roots until desired coverage is achieved.
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Dry and set
Let it dry for 1 minute before touching hair. The color should set with no smudging.
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Finish
Style as usual. The product lasts until your next shampoo and is ammonia-free and peroxide-free.
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Safety
Test on a small area first to check for irritation and avoid contact with eyes.
Frequently Asked Questions
Is this safe to use on synthetic hair or wigs?
Yes, the product works on any hair texture or type, including synthetic hair. Use as directed and avoid contact with eyes. Always test on a small area first to check for any adverse reaction.
How long does the color last?
One application will last until your next shampoo. It is designed for temporary color and easy removal with washing.
Are there any ingredients to avoid or safety precautions?
The formula is ammonia-free and peroxide-free and contains no synthetic dyes. Follow the product instructions and test on a small area before full application.
What shade is Light to Medium Blonde best for?
Light to Medium Blonde is designed to blend with blonde hair tones. It works across hair shades and tones, providing quick gray root coverage.





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