Hair colouring has become one of the most popular ways to refresh your look. From subtle browns and caramel highlights to bold reds, burgundy and fantasy shades, there are endless options to experiment with. Some prefer a single shade, while others mix two or more colours to create a customised look.
But before reaching for that colour box, it is important to understand your hair type, the colouring process and the care your hair needs afterwards.
Before colouring your hair
Know your current hair condition
Do not colour hair that is extremely dry, brittle or damaged without taking proper care first. If your hair has already been bleached, chemically straightened, permed or coloured multiple times, it may need extra care before another chemical treatment.
Do a patch test
Always follow the product instructions and do a patch test before using a hair colour. This is especially important if you are trying a new brand or product. Stop using the product if you develop itching, burning, swelling, rash or any other unusual reaction.
Strand test can help
If you are unsure about how a shade will look on your existing hair colour, try a strand test first. This is particularly useful when colouring previously dyed or bleached hair, as the final result can vary depending on the base colour.
Understand your base colour
The same shade does not look identical on every head of hair. Natural black hair, brown hair, previously coloured hair and bleached hair can all produce different results.
For example, a brown shade may appear subtle on dark hair but much brighter on pre-lightened hair.
Be careful with bleaching
Bright shades often require the hair to be lightened first. Bleaching removes natural pigment and can make hair more fragile. It should therefore be done carefully, preferably by a professional, especially when significant lightening is required.
Can you mix different hair colours?
Mixing shades can create beautiful customised results, but it should not be done randomly.
Different brands and colour ranges may use different formulations and developer requirements. Mixing products without checking the manufacturer’s instructions can result in an unexpected colour or damage.
If you want to combine shades such as brown and red, consult a professional colourist about the correct combination and proportions.
Don’t mix colours just because they look good on the box
The final result depends on several factors, including:
- Your natural hair colour
- Previous colour treatments
- Bleaching or lightening
- Hair porosity
- The shade and formulation used
- Processing time
- Developer strength
Therefore, a shade shown on the package may not be exactly what you get on your hair.
During the colouring process
Follow the recommended mixing ratio and processing time given by the manufacturer. Using extra developer or leaving the colour on for longer does not necessarily produce a better or brighter result.
Protect your skin and clothing from accidental staining and avoid getting the product into your eyes.
If you experience intense burning, swelling or severe discomfort during the process, rinse immediately and seek medical advice if symptoms persist.
After colouring: Hair care tips
Colour-treated hair needs more attention than untreated hair.
Choose a colour-friendly shampoo
Use a mild shampoo formulated for coloured or chemically treated hair. Avoid washing your hair too frequently if your colour fades quickly.
Don’t wash immediately unless the product instructions say so
Follow the specific instructions supplied with your colour product. Depending on the type of colour used, the recommended waiting period before the next wash can vary.
Use conditioner regularly
Colouring, particularly bleaching, can leave hair feeling dry. Use conditioner after shampooing and consider a nourishing hair mask once or twice a week.
Reduce excessive heat styling
Frequent use of straighteners, curling irons and high-heat blow-dryers can make coloured hair drier and may accelerate colour fading.
Use a heat-protectant product whenever heat styling is necessary.
Protect your hair from the sun
Strong sunlight can contribute to colour fading and dryness. If you spend a lot of time outdoors, cover your hair when possible and use suitable hair-care products designed for colour-treated hair.
Chlorine can affect hair colour
Swimming pools can cause colour-treated hair to become dry and may affect certain shades. Rinse your hair with clean water after swimming and use appropriate protective hair care.
How often can you colour your hair?
There is no single interval that works for everyone. It depends on the type of colour, how quickly the roots grow, the condition of the hair and whether bleaching is involved.
Frequent bleaching or repeated chemical processing without adequate recovery time can increase dryness and breakage. Instead of repeatedly colouring the entire length, root touch-ups may sometimes be sufficient.
Common mistakes to avoid
Colouring damaged hair repeatedly: Give your hair time to recover and focus on conditioning. Leaving the product on for too long: More processing time does not automatically mean better colour. Using a stronger developer unnecessarily: Developer should be used according to the product’s instructions and the desired result. Mixing different brands without guidance: Products are not necessarily designed to be mixed with one another. Ignoring a patch test: Even if you have used hair colour before, reactions can develop with a different product or formulation. Colouring immediately after another chemical treatment: Straightening, perming, bleaching and colouring can all put stress on the hair. Professional advice is recommended when combining treatments.
What about grey hair?
Grey coverage requires choosing a suitable shade and formulation. Depending on the amount of grey hair and the desired result, a single shade or a combination of shades may be recommended. For stubborn greys, simply leaving colour on for longer is not always the solution. Follow the product instructions or consult a professional colourist.
Hair colour is not just about the shade
A beautiful hair colour depends on more than choosing a trendy shade. The condition of the hair, correct application, appropriate processing and regular after-care all play an important role. Whether you choose a subtle brown, warm caramel, copper, burgundy or a bold red, make sure the colour is suitable for your hair and lifestyle. If bleaching or multiple shades are involved, professional guidance can help achieve a better result while reducing unnecessary damage.
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