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White hairs appearing at the temples, along the parting or around the hairline can become noticeable just a few weeks after a colouring. A root touch-up spray lets you camouflage this regrowth in seconds, without having to re-colour your whole head. The trick is choosing the right shade and mastering the application.
A root corrector doesn’t permanently alter the hair fibre. It deposits pigments on the surface of the hair, which are usually washed out with shampoo. So it’s a touch-up solution between colourings, not an alternative to a permanent colour.
Be wary of promises of unlimited wear or lasting colour change. How well it holds up depends on how often you wash your hair, how much you perspire and how much product you apply.
A spray for brown or chestnut hair should be close to the colour visible at the roots, but also to the colour of the lengths. A shade that’s too dark can create a noticeable line, especially on lighter or subtly highlighted hair. For a chestnut root touch-up, compare the chestnut, dark chestnut and brown shades in natural light.
A grey-hair spray applied too close to the scalp or in too much quantity can leave marks on the skin, create a stiff, cardboard-like effect or leave a film-like sensation. Follow the distance stated on the bottle, apply the product to dry hair and leave it to dry for long enough.
Start by identifying the area you need to conceal: a few grey hairs at the temples, a parting that’s become more visible, or more extensive regrowth. A product designed for chestnut hair won’t necessarily give the same result on dark brown hair.
For grey hair camouflage, choose a shade as close as possible to your natural base. Some formulas contain mineral pigments, such as iron oxides, which can create visually even coverage. The result is still temporary, though.
A claim like “lasts until your next shampoo” is more meaningful than a vague promise of long-lasting wear. Some products also claim to be resistant to water, perspiration or the elements. That doesn’t mean the colour will stay intact after washing.
So a long-lasting root spray should be seen as a solution that holds up through the day, not as a permanent colour.
A 75 ml aerosol is ideal for occasional touch-ups and slips easily into a wash bag. For regular use, a pack of two bottles can be more practical – just compare the price per unit.
Read the usage precautions carefully: aerosols containing a propellant gas are flammable. Use them in a well-ventilated room, away from any flame, heat source or cigarette. Do not spray towards the eyes, do not intentionally inhale the product and do not leave the bottle in a car exposed to sunlight.
Why this choice suits this profile: Its 75 ml format is perfect for a first touch-up or occasional use on chestnut to brown hair.
The brown shade and the recommended application distance of around 15 cm reduce the risk of overloading and visible lines.
Apply to dry hair, drying time of around one minute and washes out with shampoo.
Why this choice suits this profile: Its dark chestnut shade is aimed at those who want a seamless transition between regrowth and the lengths.
The shade designed for dark chestnut bases stops you from picking a brown at random that would create too much contrast.
Easy-to-carry format, ammonia-free formula according to the product information and temporary coverage until your next shampoo.
Why this choice suits this profile: The two 75 ml bottles give you a handy supply for frequent touch-ups. You can keep one at home and the other in your bag.
The two-pack reduces the risk of running out between colourist appointments, without making the touch-up seem like a permanent solution.
Two 75 ml bottles, ammonia-free formula according to the product sheet and can be used on natural or coloured hair.
We’ve put together a full selection, updated in real time, of products that meet these exacting criteria and European safety standards.
Do a patch test on a small area before first use. If your scalp becomes irritated, stop using it immediately. A touch-up spray should not be used on irritated or damaged skin.
Most products in this category are designed to last until your next shampoo. However, perspiration, rain and friction can reduce their staying power. A light, even application usually gives a more natural result than a thick layer.
Spraying too close can deposit pigments on the scalp or forehead. Protect your clothes, keep to the recommended distance and let the product dry before touching your roots. Also avoid light-coloured fabrics immediately after application.
It depends on how sensitive your scalp is and the recommendations on the packaging. Daily touch-ups can lead to a feeling of dryness or product build-up at the roots. To minimise this risk, only apply the amount you need and wash the product out with shampoo.