What happens if you leave hair toner on too long?

Asked by: Yessenia Roob  |  Last update: October 22, 2022
Score: 4.3/5 (68 votes)

Leaving toner in your hair too long can cause some nasty consequences. You may end up with a blue or violet color, or your locks may become oversaturated with pigment and shed color for weeks. You might also end up with extreme damage that only a haircut can fix.

How long can you leave toner in your hair?

Use an applicator brush to work the mixture into your hair, focusing on the areas with unwanted undertones. Leave the toner in for up to 45 minutes, then rinse, and wash with a moisturizing shampoo and deep conditioner.

What happens if you leave toner in for more than 30 minutes?

What happens if you leave toner in for more than 30 minutes? If you leave it on for more than 30 minutes, you may end up with a color that is too dark or too light. Leaving it on too long will also deposit too much color in your hair – which could end up looking green!

Can too much toner damage your hair?

IS TONER BAD FOR YOUR HAIR? No! Toner is meant to help your hair and simply helps to neutralize its tone. That being said, as with any coloring process, over-using toner on your hair can cause strain on your strands.

How do you know when toner is done?

Toner will typically last 2-8 weeks, but you might see your color start to fade before that. Since it's a simple and relatively cheap process, and isn't quite as hard on your hair as bleaching or dying, you can tone again after about a month.


20 related questions found

Can I tone my hair twice in a week?

Don't overdo it. You shouldn't be toning twice a day or even twice a week. A tinted shampoo shouldn't be used more than 1-2 times per week. Ideally, you would wait at least two weeks after your dye job before applying any toner at all.

Is toner the same as purple shampoo?

Is purple shampoo a toner? Any product that dispenses pigment to adjust hair tone can be considered a toner, and that includes purple shampoo. Its pigments work to neutralize brass.

Will toner break my hair?

The answer is yes, a toner can cause damage to your hair. However, most of the damage you'll see will likely come from the products you used before applying toner, including bleach and permanent hair dye.

Does toner lighten hair?

“Toners work by depositing color, so they will only enhance the current level or go darker, says Papanikolas. “Toners will not lighten hair, so if your desire is to make your highlights brighter, then a toner is the wrong approach.”

Should I apply toner to wet hair?

The short answer is that toner should be applied to damp hair, not dry or wet. It is best to apply toner to damp hair because it ensures that the toner is absorbed without risking damage to your hair. You should aim for your hair to be about 70% dry, where it isn't completely dry to the touch but isn't dripping wet.

What can I do if my hair is too ashy?

Often, a couple of regular washes can fade these gray tones. Washing your hair more frequently than usual may help, but you'll want to be sure to follow up with a moisturizing conditioner and only increase your washing frequency for a week or so to prevent drying out your hair. You can also try a clarifying shampoo.

How often can you tone your hair without damaging it?

While every toner type varies, you should wait about four weeks between toning sessions in general. So, if you were thinking about toning your hair twice in one day or twice in one week, stop right there! For the health of your hair, you'll have to wait it out for a while.

Does toner make hair darker?

Toners alter the undertone of hair color but do not lift the shade. This is why they are meant to be applied to bleached or blonde hair and will not work on darker hair. Toner can help you manipulate the shade of your blonde hair to make it look cooler, dingier, ashier, or even different colors like pink or purple.

Is purple toner damaging to hair?

Why purple shampoo is bad for your hair? Did you know that most purple shampoos can make your hair too dry? It's designed to remove brassiness from your hair, but if used incorrectly they can leave a buildup on your strands that makes them brittle and dull.

What shampoo should I use for toned hair?

If you'd like to tone the yellow out of your hair, use a purple shampoo. Purple counteracts yellow because they're opposites in color theory. If you want to remove orange or red tones, use a blue shampoo.

Why does my blonde hair turn brassy?

When hair is bleached during coloring, the melanin in your hair gets diluted, which is what's called oxidation. In addition to removing your existing color, the dye also deposits color in your hair. Usually, the chemical process will create the color that you want. But with time, your hair might start to look brassy.

How long should I leave purple shampoo in my hair to tone it?

Purple toning shampoo is an easy addition to your blonde hair care routine to help brighten your shade and help cool your hair color. To use purple shampoo, wet hair, and lather on your hair. Depending on your hair's level of brassiness, leave the purple shampoo on for two to three minutes.

Why is my hair still orange after toning?

If the toner failed to work effectively on the orange hair, a blue toner must be applied again to neutralize the undesirable tone. If you feel that the orange tone is too dark or intense, you can bleach your hair again and then apply the blue toner to achieve a lighter blonde.

Does toner take yellow out of hair?


These toners are excellent at kicking out yellow and pushing hair up by one extra level. If the hair is very very brassy, even after bleaching, we suggest that you use Ugly Duckling's Intense toners. Ugly Duckling has Intense Pearl Blonde Toner 100V., which is purple based.

How often should you put a toner on your hair?

How Often Should I Use Toner? Depending on how often you wash your hair and your hair history, your toner should last anywhere between 2 to 6 weeks. If you wash your hair every day, expect your toner to fade out quickly!

Will clarifying shampoo remove toner?

Yes, a clarifying shampoo is effective at removing ash toner, even from bleached blonde hair.

What color cancels out ash?


The color wheel shows which colors cancel out which. Green and green-based ash cancel out red, magenta and orange. Blue and blue based colors and toners cancel out orange and yellow orange.

What color does Ash blonde Fade to?

Over time, ash-blonde tends to fade into lighter blonde or even bright blonde. You can counteract this by getting regular hair treatments or using a purple shampoo to keep the color from turning brassy.