Why Does My Hair Colour Fade So Quickly? 8 Reasons Your Colour Isn’t Lasting

You’ve just invested in beautiful salon colour, so why does it never seem to stay that way? Here’s what could be causing your colour to fade faster than expected.

There’s nothing quite like leaving the salon with fresh, glossy colour.

Your hair looks vibrant, feels amazing and the colour is exactly what you wanted.

Then a few weeks later, you look in the mirror and think…

“Where did my colour go?”

If your colour seems to fade quickly, you're definitely not alone.

The good news is that fading doesn't necessarily mean your colour wasn't done correctly. There are a number of things that can affect how long your colour lasts, from how often you wash your hair to the products you use, your hair's condition and even the water you're washing it in.

At Scarlet Hair, we want your colour to look beautiful for as long as possible, so here's what you need to know.

1. You're Washing Your Hair Too Frequently

Every time you wash your hair, some colour molecules can be removed from the hair.

This doesn't mean you need to stop washing your hair or force yourself to go a week without shampoo. Your scalp still needs regular cleansing.

Instead, the goal is to find a washing routine that works for your hair while using products designed to protect your colour.

If you're washing your hair daily and noticing your colour is fading quickly, it may be worth speaking with your stylist about whether you can comfortably extend the time between washes.

2. You're Using the Wrong Shampoo

This is one of the biggest things we see.

Not all shampoos are created with colour-treated hair in mind.

Some products can be more cleansing than your colour needs, while others may not provide the care your hair requires after colouring.

Professional colour-safe products are formulated to help care for your hair while supporting colour longevity.

Your shampoo and conditioner are part of your colour investment—not an afterthought.

3. Your Water Could Be Affecting Your Colour

Have you ever noticed your hair feeling different after washing it at home compared with how it feels after leaving the salon?

The water you're washing your hair in could be part of the reason.

Minerals and metals found in water can build up inside the hair and affect its condition and colour. This can be particularly noticeable in colour-treated or lightened hair.

This is one reason we use Metal Detox as part of suitable colour services at Scarlet Hair.

Removing unwanted metal deposits can help create a better environment for your colour and hair health.

4. Heat Styling Can Affect Your Colour

Your straightener, curling iron and even your hairdryer can have an impact on how your colour looks over time.

High temperatures can contribute to dryness and damage, which can make colour-treated hair more difficult to maintain.

You don't have to give up your favourite styling tools.

Just make sure you're using a suitable heat protectant every time you style and avoid using unnecessarily high temperatures.

5. Your Hair May Be More Porous

Hair porosity refers to how easily your hair absorbs and releases moisture and other substances.

When hair is highly porous, it can sometimes struggle to hold onto colour as effectively.

Lightened, chemically treated or damaged hair can become more porous, which is why maintaining the condition of your hair is such an important part of maintaining your colour.

This is also why your stylist may recommend a treatment alongside your colour service.

Beautiful colour starts with healthy hair.

6. Sun, Salt Water & Chlorine

Your hair doesn't just experience stress inside the salon.

Sun exposure, swimming pools and salt water can all affect colour-treated hair.

If you're heading on holiday or spending lots of time outdoors, it's worth giving your hair some extra protection.

Try to:

• Rinse your hair with fresh water before and after swimming

• Use products designed to protect colour-treated hair

• Wear a hat when spending extended time in the sun

• Keep your hair hydrated with appropriate treatments

• Follow your stylist's recommendations for protecting your colour

Your holiday hair deserves some protection too!

7. You're Skipping Your Maintenance Appointments

A colour appointment isn't always about completely changing your hair.

Sometimes, the best way to maintain beautiful colour is simply to refresh it.

Depending on your colour, your stylist may recommend a gloss or toner between larger appointments.

A gloss can help refresh faded tones, restore shine and bring your colour back to that fresh-from-the-salon feeling.

If you've been following our Hair Gloss Guide, you'll know that glossing can be a beautiful way to maintain richness and shine without committing to another major colour transformation.

8. Your Hair Needs More Than Colour

This is one of the most important things to understand.

Sometimes, fading isn't just about the colour itself.

If your hair is dry, porous or compromised, maintaining your desired colour can become more difficult.

This is why treatments are such an important part of a long-term colour plan.

At Scarlet Hair, we can recommend treatments based on what your hair actually needs, whether that's moisture, strength, repair or protection.

Our range includes professional options such as L'Oréal Absolut Repair Molecular, Metal Detox and personalised Kérastase treatments.

The goal isn't to recommend the same treatment to everyone. It's about finding the right one for your hair.

How Can You Make Your Hair Colour Last Longer?

A few simple changes can make a noticeable difference.

Use professional colour-safe homecare

Your salon colour is an investment. Using the right shampoo, conditioner and treatments helps protect that investment between appointments.

Don't use excessive heat

Always use heat protection and avoid unnecessarily high temperatures.

Keep your hair hydrated

Conditioned, healthy-looking hair generally looks more vibrant and glossy.

Protect your hair from the sun

Especially if you're spending long periods outdoors.

Book maintenance appointments

Depending on your colour, this might mean a gloss, toner, treatment or your regular colour appointment.

Listen to your stylist

Your stylist knows what has been used on your hair and can recommend a maintenance routine based on your specific colour, hair condition and lifestyle.

Does Colour Naturally Fade?

Yes—and that's completely normal.

Hair colour isn't designed to stay exactly the same forever.

Washing, environmental exposure, heat styling and everyday wear will gradually affect your colour.

The goal isn't necessarily to stop your colour from ever changing. It's to slow the process down and maintain it so that it continues to look beautiful as it evolves.

Sometimes a slightly softer version of your original colour is exactly what makes it look effortless.

The Scarlet Hair Approach

At Scarlet Hair, we don't believe in simply colouring your hair and sending you home.

We want to help you understand how to look after it too.

Your colour, hair condition, lifestyle and homecare routine all work together. That's why our stylists take the time to understand what you're wanting from your hair and create a maintenance plan around you.

Because the best colour isn't just the colour you love when you leave the salon.

It's the colour you still love weeks later.

Frequently Asked Questions

How long should professional hair colour last?

It varies depending on the type of colour, your hair's condition, how often you wash it and your homecare routine. Your stylist can recommend a maintenance schedule specific to your colour.

Does cold water make hair colour last longer?

Using lukewarm rather than very hot water can be gentler on your hair and scalp. You don't need to suffer through freezing showers to maintain your colour.

Why does my blonde turn brassy?

Blonde hair can become warmer over time due to colour fading, environmental factors, minerals in water and other influences. A customised toner or gloss can help refresh the tone.

Why does my brunette colour fade so quickly?

Brunette colour can lose some of its richness and depth over time, particularly on porous or previously lightened hair. A professional gloss can be a great way to refresh richness and shine between colour appointments.

Can treatments help my colour last longer?

Maintaining the condition of your hair can help it retain a healthy-looking finish and support better colour maintenance. Your stylist can recommend the most suitable treatment based on your hair's needs.

Ready to Keep Your Colour Looking Fresh?

If your colour is fading faster than you'd like, don't automatically assume you need a completely new colour.

Sometimes your hair simply needs the right maintenance plan.

Chat with the Scarlet Hair team at your next appointment and we'll help you work out exactly what your colour needs to stay fresh, glossy and beautiful for longer.