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Are you looking for a hair colour for chestnut and brown hair to cover greys, touch up your roots, or subtly change your shade? The choice isn't just about the colour on the box. The formula, longevity and application method all play a key role in the results you'll see over the weeks.
A light chestnut won't look the same as a dark chestnut, while a deep brown can appear even more intense depending on your natural colour. Here are the main factors to consider before buying, along with a selection tailored to different needs.
A grey hair spray or root concealer can quickly camouflage regrowth, but its effect usually disappears with the next shampoo. It doesn't replace a permanent at-home colour.
On the other hand, a permanent colour requires more preparation and upkeep. It changes the hair fibre long-term, but regrowth will still become visible over the weeks. So choose your product based on your needs:
Terms like "chestnut", "brown" or "brunette" can vary from one brand to another. Check the shade chart and the detailed description: light chestnut, dark chestnut, natural brown or warm-toned brown will all give different results.
If your hair is already coloured, choosing a lighter shade won't always lighten it. To avoid too much contrast, opt for a shade close to your current colour or do a strand test on a hidden section.
Even an ammonia-free colour can contain colouring agents that may cause a reaction in some people. The product sheets for many items recommend doing an allergy alert test 48 hours before each use.
Also wear gloves, protect your clothes and avoid applying the product to irritated or damaged skin. Always follow the instructions and check the ingredients list on the packaging you receive.
For a grey hair colour, check whether the product sheet mentions full or enhanced grey coverage. The result can vary depending on hair thickness, the proportion of grey hair and the development time.
Permanent colours like Revlon Colorsilk, Schwarzkopf Perfect Mousse, Palette or Garnier Olia claim significant grey coverage. However, this is the manufacturer's indication: preparation, the amount applied and sticking to the development time all directly affect the final result.
A classic cream usually requires mixing two components, then distributing the product section by section. A mousse is easier to apply, especially for a first at-home colour. A pump system with no pre-mixing can be suitable for a partial root touch-up.
Also compare the development time:
An ammonia-free formula can be appealing to reduce odour during application, but that doesn't mean it's free of all sensitising ingredients. Product sheets may also mention the presence of oils, amino acids, keratin or an after-colour treatment.
The format is also worth considering. A 75 ml spray is handy for touch-ups, while a permanent kit is designed for a fuller application. If you have long or thick hair, you may need two boxes: check the manufacturer's recommendations.
Why this suits this profile: The mousse texture spreads like a shampoo and minimises drips, making a first at-home brown colour easier.
The sheet mentions drip-free application and an ammonia-free formula, while also reminding you to do a skin test beforehand.
A permanent mousse in a brown shade, with an after-colour treatment included according to the product presentation.
Why this suits this profile: This option is for those looking for a permanent chestnut colour with a complete kit application.
The sheet details the kit contents, the oils included and the precautions to take, rather than reducing the choice to just the shade name.
An ammonia-free formula, shade 4.0 and a treatment included in the box.
Why this suits this profile: Its compact format is ideal for those who want to quickly conceal roots between colourings, at work or on the go.
The sheet clearly states the effect is temporary and lasts until the next shampoo, preventing confusion with a permanent colour.
A 75 ml spray, application from around 15 cm and a drying time claimed to be one minute.
We've put together a comprehensive, real-time updated list of products that meet these strict selection criteria and European safety regulations.
For a root touch-up spray, shake the can, hold it upright and spray lightly from 10 to 15 cm away. Work in small sections and let it dry before brushing. Aerosols are flammable: use them in a ventilated room, away from flames and heat sources.
A permanent colour is generally the most suitable when a significant proportion of grey hair needs covering. Check the coverage claim on the product sheet, the shade you choose and the recommended development time. For a few visible roots, a temporary concealer can be enough between colourings.
A touch-up spray like Magic Retouch is designed to last until the next shampoo. It's a surface camouflage, not a permanent colour. Sweat, friction and the amount applied can affect how long it lasts.
No. "Ammonia-free" means this ingredient is absent or replaced in the formula, but it doesn't guarantee no reaction will occur. Always follow the allergy alert test, the instructions and the warnings specific to each product.