Putting Color Over Bleached Hair: How To Go About It

Going blonde for the first time is amazing when you’ve sported darker hair all your life. You turn more heads when you walk down the hall and the compliments are always overflowing.

You feel like a whole new person – brighter, bubblier, and looking more like a bombshell than before.

But for a lot of people, this high doesn’t last forever. There comes a point where you start missing your dark hair, or maybe want to experiment with another new medium or deep hair shade.

What’s a girl to do when blonde doesn’t suit her anymore?

Not everyone is destined to rock golden, blonde locks all their life. Sometimes, you just have to dye your bleached hair again into something richer and darker.

Does that sound like you? Well, I’m here to help out.

In this post, we’ll be discussing the steps you should take when you’re putting color over bleached hair.

Read on to see how to properly dye your previously bleached hair and end up with a rich, sleek, dark shade again.

My Hair Journey

First, let me tell you a little story about my hair journey.

When I was growing up, I was never sure what color my hair actually was.

In my little nine-year-old brain, your hair was either blonde, brown, black, or red.

My hair, however, would be best described as strawberry blonde.

It always had been a mix of red and blonde highlights and light brown and auburn lowlights.

I’ve been called a redhead, blonde, dirty blonde, and my personal favorite from my kindergarten students in Korea, “Teacher, your hair is pretty gold like money!”

While I have grown to love and appreciate my natural hair color, that was not always the case.

Throughout middle school and high school, I always wanted black hair with blue undertones.

I never had the nerve to go there.

In my first year in university, however, I learned about semi-permanent dye and naively thought I could try black and have it washed out in a few weeks.

So, I tried it. It did not wash out.

I was thrilled though. I finally had the hair color I had been wanting.

Every time my roots grew in, I would dump more dye on and bask happily in my midnight tresses.

After about a year and a half, I wasn’t as thrilled.

 

So, What Happened?

While my older brother was gifted with naturally sun-kissed skin and the ability to tan easily, I was not as fortunate.

I am just about as pale as they come with freckles.

No matter what techniques I have tried in order to tan, the result was always the same.

I turn bright red and once that heals, I am back to pale.

Needless to say, instead of complimenting my skin tone, my black hair made me look washed out.

Fortunately, I have a cousin, who at that time, was over halfway through cosmetology training.

She offered to help me get back to my natural hair color, and all I had to do was pay for the products.

Great deal, right?

While I am thankful for her help and knowledge, there were ways we both could have been more prepared for this endeavor.

Long story short, it took three rounds of bleaching, four rounds of deep conditioning treatments, and two rounds of dye over a period of 11 hours, and I still ended up with hair that had the hue of the inside of a watermelon for three days.

Looking back, there was a lot of information I wish we had both known and utilized before attempting to dye my bleached hair.

 

What Exactly Is Bleached Hair?

The short answer is that bleached hair is hair that has had all the color pigment completely removed.

This is the only way you can change your hair to a lighter color.

To explain a little more in-depth, when hair is bleached it undergoes a chemical reaction called oxidation.

The process starts with an alkaline (pH higher than 7) agent, which opens up your hair cuticles and pores.

Next, the oxidizing agent enters the hair cuticle and dissolves the natural melanin, which gives you your natural hair color, or dye if your hair has been previously dyed.

Why Dyeing Bleached Hair Isn’t So Simple

So, if your hair is already light from bleach, you can just slap a darker dye on it and call it a day, right?

Unfortunately, nope – it’s not that straightforward.

Going from platinum blonde back to a brunette or any deeper shade requires some strategy.

Here’s why putting color over bleached hair can be challenging:

 

Bleach Removed Your Natural Pigments

When you first lightened your hair, the bleach not only dissolved your hair’s melanin but also obliterated those warm red and orange undertones that gave your natural color depth.

Everyone has some underlying warmth (even “ash” brown hair has subtle red/orange under the surface).

Bleach wipes those out, leaving a very neutral, pale base.

 

Without Those Pigments, Dark Dye Can Look “Muddy”

If you try to dye bleached hair back to your original brown or black without replacing the lost warmth, the result is often a dull, ashy or even greenish tone.

For example, a chocolate brunette shade could end up an odd gray-brown, and a jet black could have a green hue in certain light.

That richness just won’t be there because the warm foundation is missing.

 

Dark Dye Alone Isn’t Enough

Even the highest-quality dark hair dye relies on having some pigment to bind to.

Bleached hair is like an empty canvas with little for the color molecules to grab onto.

This means the color can turn out lighter or more translucent than intended, or it might grab unevenly.

 

Porosity Problems

Bleached hair is often highly porous (think of it like a sponge full of holes).

When you apply dye, porous hair can soak up too much color in some spots (going too dark) and not enough in others.

The result? Patchy, uneven color.

Areas that were more damaged by bleach might “drink up” the dye differently than healthier sections.

All of these factors explain why simply throwing a box of dark dye over your bleach-blonde hair can backfire.

Trust me, I learned this the hard way. The good news: there’s a solution to these issues (coming up next!), and when done properly, you can get a rich, even color over bleached hair.

It just takes a bit of prep work and patience.

 

Things To Consider Before Coloring Bleached Hair

Before you dive into recoloring your bleached hair, take a step back and assess a few important things.

Proper planning can mean the difference between a gorgeous result and another hair oops.

Here are the key considerations:

 

Your Hair’s Health

How fried is your bleached hair right now?

Bleaching, especially multiple sessions, can leave hair very fragile.

If your hair feels gummy when wet, breaks easily when you brush or has the texture of cotton candy at the ends – it’s a sign of severe damage.

Adding more chemicals (even just dye) on top could cause breakage.

In this case, it might be wise to hold off on coloring and focus on repair for a few weeks.

Deep conditioning treatments and bond-building products (more on those soon) should become your BFF before any color touch-ups.

 

Evenness Of Your Bleach Job

Is your current blonde uniform, or are there patchy spots?

Uneven bleach (common with at-home jobs) means some areas of your hair are more porous or lighter than others.

When you apply color over that, you might get darker bands or mismatched tones.

Be prepared to even out porosity (using fillers or bond treatments) and possibly do two rounds of color for consistency.

 

Root Situation

Do you have natural root regrowth and bleached ends?

If so, remember that your roots (virgin hair) will take color differently than the bleached lengths.

Virgin roots might come out darker or warmer since they still have natural pigment.

You may need to adjust your application.

For instance, you might apply color to the bleached lengths first, then to roots later, to avoid “hot roots” that are brighter at the scalp.

 

Realistic Color Goals

It’s safest to aim for a color that is the same level or darker than your current bleached shade.

Going lighter is not an option without bleaching again (which we absolutely do not recommend so soon).

Super extreme jumps (platinum to black) can be done, but they often require that extra filler step and possibly a salon professional if you want it perfect.

A good middle-ground goal is usually a medium brown or dark blonde if you were very light: something not too far from your bleached level, so it’s easier to attain richness with less risk of odd tones.

 

Commitment

If you color your bleached hair dark and later change your mind, be aware you’ll be in for a tough process to lighten it again.

A lot of colorists won’t do a quick bleach-over on hair that’s been bleached then dyed dark; it often requires a careful color correction that can be costly and damaging.

So make sure you’re truly ready to say goodbye to blonde before you proceed.

It’s a commitment to the dark side, so to speak.

In short, assess your hair’s condition and plan accordingly.

And if at any point you feel unsure, it’s completely okay to consult a professional colorist.

Color correction can be tricky even for seasoned DIY-ers.

A quick consultation might save you from a potential disaster.

There’s zero shame in getting help – it’s your hair, and you want to keep it on your head, right?

 

Challenges When Coloring Bleached Hair

Let’s summarize some common problems people face when dyeing over bleached hair and how to fix or prevent them.

Forewarned is forearmed!

Problem	Why It Happens	Solution
Muddy or ashy result (loss of richness)	Bleached hair lacks the warm red/gold pigments that give depth, so dark dye appears grayish or dull.	Add a warm-toned color filler before the final dye to restore underlying pigment (more on fillers below!). Choose a filler shade with red/orange tones to bring back vibrancy.
Greenish tint after coloring	Ash-based dyes (which contain green/blue tones) on yellow-blonde hair can create a green hue, especially without red pigment present.	Use a red or copper filler or mix a bit of warm pigment into your dye. If hair turned green, a quick fix is applying a red-toned semi-permanent dye or even a red ketchup rinse (an old trick) to neutralize green until you can re-dye properly.
Uneven or patchy color	Bleached hair has uneven porosity; some areas grab dye intensely while others resist. Also, overlapping applications can cause bands.	Use a protein filler or bonding treatment to even out porosity. Apply color methodically in sections (don’t just slop it on). In tough cases, you might need a second application to cover any light spots.
Color fading too fast	Porous bleached hair can “leak” color molecules quickly, leading to rapid fading after a dye job.	Opt for gentle, low-volume developer and dyes with conditioning properties. After coloring, follow a strict color-safe haircare routine (sulfate-free shampoos, cool water rinses, etc.) to help lock in the hue.
Hair dryness or breakage after coloring	Bleached hair is already damaged; even the mild chemicals in dye (or just the process of coloring) can cause further dryness or stress on the hair shaft.	Prep hair with deep conditioning and bond repair prior to coloring. Use bond builders (like Olaplex or K18) and continue nourishing treatments after coloring. When possible, choose demi-permanent or low-ammonia dyes to minimize damage.

By anticipating these issues, you can take steps to prevent them.

For me, the big lesson was the importance of a filler.

 

Fillers Will Be Your Saving Grace

Before you can color your bleached hair to a deeper hue, you need to “layer” back the pigments the bleaching process initially dissolved in your strands.

To do that, you need to fill in your hair with a pre-color treatment.

Filling your hair means artificially putting back all the warm pigments you lost when you first bleached your strands when you went blonde.

Remember having to bleach your hair multiple times to go from very dark to very light blonde?

It’s kind of the same when you want to revert back to black or brown – you have to pack on the layers you stripped back last time.

That way, you’ll end up with a rich, solid color, not a half-hearted ashy tone.

If you don’t fill in your hair before dyeing your bleached locks, you’ll end up with hair that looks ashen and pasty, instead of deep and radiant.

It’s kind of like looking sickly and pale when you’re feeling under the weather instead of with a pretty flush of color on your skin when you’re healthy.

And though I call filling in your hair a “treatment”, a color filler is nothing fancy.

You could use your favorite demi-permanent hair dye to fill in your bleached hair before using the color you want to end with up on top of it.

When picking out a filler color, there are two important criteria to look out for:

 

Warm Undertone

Your filler color should be warm-toned: typically a red, copper or golden hue depending on the brunette shade you’re aiming for.

Remember, bleached hair needs that warmth replenished.

As a rule of thumb:

• If you want to end up black or very dark brown, use a red or auburn filler (dark hair naturally has red undertones).
• If you want a medium brown, use a copper or orange-y filler (medium brown hair usually has coppery undertones).
• If you want a light brown/dark blonde, use a gold filler (light brown has more yellow-gold undertones).

 

One Or Two Levels Lighter Than Your Goal

Your filler color doesn’t need to be dark.

In fact, it shouldn’t be as dark as your target shade.

Go a step or two lighter.

The filler is essentially a “primer”.

For instance, if your goal is level 5 brown (medium brown), fill with a level 7 copper blonde.

If your goal is black (level 1), fill with maybe a level 3–4 reddish brown.

You’re not trying to make the hair the exact color with the filler; you’re just adding a foundation of warmth.

 

How To Apply Filler

Now, there are a couple of ways to apply a filler:

 

Use A Demi-Permanent Dye As Filler

This is common for DIY.

Pick a warm demi color, apply it all over your bleached hair, process as directed, rinse and lightly dry, then apply your final color on top.

Demi-permanents are gentler (no high developer volumes) and add tone without too much damage.

 

Use A Dedicated Protein Filler Product

Beauty supply stores sell protein fillers that often come in neutral, red or gold.

These are usually liquid treatments you apply to hair before dyeing.

They help equalize porosity and deposit a bit of pigment.

For example, a red protein filler can be applied to very light hair to prevent that green outcome when going dark.

 

Proper Way To Prep Bleached Hair For Coloring

Before we get into the step-by-step process of filling in and dyeing bleached hair, let me teach you how to prep the right way.

Much like bleaching for the first time, you need to give your hair extra love and nourishment before recoloring.

Bleached hair is almost always dry and rough – more consequences of that forsaken chemical process.

This often makes your hair more brittle and unable to hold on to color well.

Recommended Post: Does Bleaching Your Hair Damage It Forever?

So, before putting it through another round of coloring, it’s important to condition and fortify your hair first with moisture.

Moisturizing your bleached hair properly leading up to recoloring it will give it more strength and resilience against your dye.

So, a day or so before you plan on coloring your locks, pamper them with a high-quality hair mask.

The Briogeo Be Gentle, Be Kind Avocado + Kiwi Mega Moisture Superfood Mask would be an excellent choice for this.

This deep conditioner is infused with 96% naturally derived ingredients.

These include avocado oil, cocoa seed butter, kiwi extracts, chia seeds, and more nourishing botanicals to make your hair smooth, soft, and strong.

You might also want to consider using a protein treatment.

The color molecules in dyes bond to the protein in your hair.

Bleached hair doesn’t have a lot of protein (once again, it was probably stripped by the bleach), so you might want to beef up your hair’s protein levels with a keratin-infused mask.

Suggested Read: DIY Protein Treatment For High Porosity Hair

 

Picking The Right Color To Suit You

Hair tones can be divided into two categories: warm tones and cool tones.

So, how can you tell what is the best tone for you?

The best way is to go and stand in natural light and look at the veins on the inside of your wrist.

If you have purple or blue veins then you have a cool skin tone, and should stick to cool tones.

If your veins appear to be green or blue-green, then warm-toned colors are for you.

Now, if you have a difficult time distinguishing between the two colors, or you see a mix of both, then you have a neutral skin tone and both warm and cold will complement you.

Another way to tell is what jewelry looks best on you.

Silver complements cool skin tones.

Gold compliments warm skin tones.

Neutral skin tones will be complemented by both.

 

Putting Color Over Bleached Hair: The Application Process

Now that you know what a color filler is and how to prep your hair with deep conditioning masks, you can finally dye your bleached hair.

So, I am going to touch on two options here.

The first will be if you are taking your bleached hair back to a darker natural color.

Then, I am going to talk about going for unnatural colors, like blue, purple, green…etc.

 

Natural Brunette Color

Going from bleach blonde back to a natural brunette color is a bit involving.

The first thing you want to do is even out the porosity of your hair with a bonding agent.

This will make sure the color will take evenly and consistently.

Then, since bleaching dissolves all the pigment in your hair, you will need to put those tones back in with a filler.

This will help give your dimension and more natural-looking color.

(This is also the reason I ended up with watermelon-pink hair. We did not use a filler and so the color did not take as it should have and it did not have anything to bond to.)

The filler should add orange/yellow tones back into your hair.

Hair dye needs existing color molecules to bond to.

Now that you’ve added the warm pigments back into your bleached hair, the next step is to color your hair with your goal shade, whether it’s black, brown, or anywhere in between.

Since you’re essentially coloring your hair twice, it’s better to look for a dye that is gentle and healthy for the hair.

For that, I recommend the Garnier Nutrisse Permanent Hair Color Cream.

It’s infused with shea butter, avocado oil, and olive oil to moisturize your hair while delivering bold, vibrant color.

Whichever hair dye you choose, follow its instructions to a T to get the best results possible.

I would use a 10-volume developer for this step.

You may need to do several rounds of dying to achieve the color and shade that you want.

Section your hair into four equal parts, and start at the bottom back while working in small sections.

Process according to the directions and use lukewarm water, color shampoo, and conditioner.

Avoid washing your hair for 72 hours after dyeing it.

 

 

Bright Unnatural Colors

For these types of colors, you want to start with hair that is as white as possible, for the best canvas.

When you bleach your hair, you may find you have orange or yellow tones throughout your hair.

You want to go through a toning treatment to mute these tones.

A blue toner will mute orange tones, while a purple toner will cancel out the yellow.

In regards to color theory, the idea behind this is, that you locate the color of your tones on the color wheel, and then move to the opposite color.

Recommended Post: Understanding The Hair Color Wheel

The first thing you want to do is make sure you have everything you need.

Your color, around a 10 volume developer, as this will permanently deposit the color, and an old shirt.

I would advise against box dyes, just because the cost difference is not that much for professional colors, and you have more control over the results.

Also, start with dry hair.

I would advise using a bonding treatment beforehand to even out the porosity of your hair.

 

Using Foils

Furthermore, if you are using multiple colors, I would advise using foils to keep them from mixing.

For foils, take your section and lay it on the foil.

Start at the root and paint the dye onto the section on the foil.

Use the brush handle to help you crease the foil in the middle and fold up.

Tuck in the sides and secure if necessary.

To section off your hair, first, make a part down the middle of your head, and divide your hair into two equal parts, one on the left, and one on the right.

Then for each side, start at the top of your head at the highest point, and part that section down past your ear, so that you have four equal sections, two on each side.

Let down one of the very back sections and start at the hair that is at the very bottom of your head that falls underneath.

Take a small section of hair about ¼ of an inch.

You can start at the root and work the dye down towards the ends.

Work from bottom to top to stay organized and to keep from having a mess.

Allow the dye to process.

Follow the instructions to gauge how much time to leave the dye in.

Then proceed to rinse your hair in lukewarm water.

I usually work the foils out while I am rinsing.

Use a color-preserving shampoo and conditioner.

Then, do not wash your hair again for 72 hours after dyeing, so that the color has a chance to lock in.

Suggested Read: How To Highlight Hair At Home Without Foil

 

Won’t Coloring Twice Damage My Hair Even More?

Some of you might be unpacking some of your trauma from your bleaching job right now.

You may be asking, “Won’t coloring my hair twice in a row – once with filler, and another time with my final shade – be detrimental to my hair’s health?”

Bleach may have done a number on your hair when you first went blonde.

You probably experienced dry hair, straw-like roughness, tons of breakage – the works.

But the good news is that doesn’t happen when you darken your hair.

You’re not stripping your hair cuticles of anything.

Instead, you’re adding pigments back.

If anything, you’re adding more smoothness and hydration to your hair, especially if you choose fillers and dyes that are formulated with botanical oils and softening ingredients.

The real threat lies in going blonde again after bleaching your hair and then dyeing it back to a dark color.

This is where severe damage will come.

So, if you’re considering darkening your already-bleached hair, know that it’s a permanent commitment.

Any sensible hair stylist will tell you that bleaching your hair another time will be extremely damaging to your locks and is therefore not an option.

 

How To Care For Your Hair Post-Coloring

Even if recoloring your bleached hair to a darker shade isn’t as damaging as the lightening process, you still need to take good care of your locks afterward.

For one thing, the dyes you used still had chemicals that might strip or dry out your locks.

You also have to use extra hair care products to help maintain your new color.

But it’s best to try to extend your color’s lifespan as much as you can.

You don’t want to waste all that hard work, do you?

To maintain the integrity of your new color, there are several things to be wary of.

 

Color-Safe Shampoo And Conditioner

The first thing you should do now that you have a new hair color is switch out your shampoo and conditioner for formulas that are color-safe and sulfate-free.

You might already be using products like these to take care of your old blonde hair.

If not, I highly suggest making the switch now.

Look for shampoos and conditioners that are free of sulfates, which wash out color molecules faster, leading to premature color fading.

Good sulfate-free shampoos will keep your hair color vibrant for up to 40 washes.

Try a color-depositing shampoo. This will give your color a needed boost and keep it looking fresh.

 

Color Depositing Mask

You’ll also want to use some kind of color-depositing product to help maintain your new shade.

The Moroccanoil Color Depositing Mask is a fan favorite for this.

This deep conditioning mask nourishes the hair while depositing some pigments to keep your hair color looking fresh and vivid.

It’s formulated with amino acids, argan oil, and apricot kernel oil to keep the hair soft and shiny while enhancing the color.

The brand has a wide range of colors to choose from.

 

Timing

Do not dye your hair right before a big beach trip, or traveling somewhere tropical.

The heat and UV rays from the sun can damage your hair and fade your color.

Ocean and especially pool water can react with the dye and cause discoloration.

 

Heat Styling Appliances

Frequent use of hot tools such as curling wands and flat irons can make your new color fade eventually.

You should avoid the regular use of these appliances.

 

Avoid Frequent Washing

Cut back on washing your hair, one or two times a week.

The more you wash your hair, the more the color will fade.

Again, hold off on washing your hair until 72 hours after dyeing your hair.

This is the time it takes for the color molecules to really lock into your cuticles.

 

Glossing And Conditioning Treatments

You can also maintain your color and shine by regularly undergoing glossing treatments.

You will want to do at least one glossing process once your hair is dyed.

This will make the color more vibrant and bring out the dimensions in your darker color.

Also, the occasional deep conditioning treatment will help your hair stay healthy.

Related Post: How To Apply Hair Glaze

 

Conclusion

Even if you’re itching to darken your blonde locks already, you can’t simply pack on black or brown hair dye and hope for the best.

There’s a proper way to do it if you want even, consistent, and perfect results.

You need to use a filler first to get the rich, vibrant color you want later on.

You also need to put in extra effort to maintain your new color, seeing as how you’ll be coloring your hair twice.

Although filling and darkening your hair after being blonde doesn’t damage your locks all that much, it’s better to be on the safe side and nourish your strands to make sure they’re in good condition.

If you’ve decided that you’re done with blonde, darker hair colors are here to welcome you with open arms!

Remember, a lot of factors play into putting color over bleached hair.

From what color(s) you’re using to your hair health, texture, thickness, and dryness.

This does not have to be an overly complicated endeavor as long as you find good resources and products.

Changing your hair color should be fun and not something overly stressful.

Lastly, if you ever feel too uncomfortable doing this yourself at home, have a consultation with a professional.

It will be worth the ease of mind.

 

FAQs About Coloring Bleached Hair

How soon after bleaching can I put color on my hair?

You can color bleached hair the same day if it still feels strong (not stretchy, gummy, or snapping). If it feels dry or fragile, wait a few days to a week and focus on deep conditioning and bond repair first. When going darker, make sure hair is dry before applying dye.

Do I need a filler before coloring bleached hair dark?

Usually, yes. A warm filler (red, copper, or gold) replaces the missing underlying pigment so your dark color doesn’t turn dull, ashy, or weirdly green. If you’re only going slightly darker and using a warm-toned dye, you may not need one. Vivid fashion colors typically don’t require fillers.

Why did my bleached hair turn green after I dyed it brown?

Because bleached hair is often yellow, and cool or ash brown dyes can have blue/green tones. Yellow + blue/green can read green. Fix it by adding warmth back in (a red or copper toner/filler), then re-dye with a warmer brown.

Can I use henna or natural dyes on bleached hair?

Yes, but be careful. Pure henna can look very bright on bleached hair and it’s extremely hard to remove later. Indigo/henna mixes can go darker, but reversing it is tough. If you want a low-commitment “natural” option, try herbal rinses (like chamomile or rosemary) for subtle toning instead of a major color change.

Can I use a box dye on my bleached hair to go back to brown?

Yes, but choose warm or neutral shades (not ash), and expect bleached hair to grab darker in damaged spots. Using a filler first helps a lot. If possible, opt for a low-volume deposit-only approach rather than strong “lifting” formulas.

How long will my new color last on bleached hair?

Bleached hair can fade faster because it’s more porous. Permanent dark color may need refreshing around 6-8 weeks (sometimes sooner). Demi colors often fade in 4-6 weeks. Bright semi-permanent colors can fade noticeably in 2-4 weeks unless you use cool-water washes and a color-depositing conditioner.

Should I have a professional recolor my bleached hair instead of doing it myself?

If your hair is very damaged, uneven, or you want a big change (platinum to dark), a pro is safer and usually more predictable. If your hair is in decent shape and you’re going darker with the right filler, DIY can work well. A quick salon consultation can also help you choose the right tones before you commit.