What Is The Difference Between Semi And Demi-Permanent Hair Color?

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It can be hard to decide what colour to dye your hair because everyone’s hair is different.

What Is The Difference Between Semi And Demi-Permanent Hair Color?

Your colorist will have strong opinions about demi-permanent vs. semi-permanent colour and will take into account things like how porous your hair is, how bright your natural colour is, how healthy your hair is overall, and how often you wash your hair.

Find out What Is The Difference Between Semi And Demi-Permanent Hair Color? and if one of them is right for you by reading on.

What is Semi-Permanent Hair Color

What is Semi-Permanent Hair Color

  • Semi-permanent hair dye unlike permanent varieties are not intended to last.
  • They don’t have any ammonia or hydrogen peroxide in them so they can’t change the colour of your hair.
  • This means that they can’t make the hair lighter and they also can’t make it a lot darker.
  • Most of the time, semi-permanent hair colours are used to add shine to natural hair or to refresh hair between colorings.The semi-permanent colour lasts for different amounts of time depending on the brand and colour but most are made to wash out after 6 to 12 shampoos.


Semi-permanent hair colour is easy to care for and only lasts for a short time. This temporary hair dye is called a toner, stain or gloss.

It only leaves a “deposit” on the hair and wears off quickly. Unlike demi-permanent colour, semi-permanent colour doesn’t need a developer and is usually put on freshly washed hair.

It doesn’t change the colour of hair as much as it adds depth and vibrancy to the tone.

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What is Demi-Permanent Hair Color

What is Demi-Permanent Hair Color

  • At first glance, it might seem like the words “semi-permanent” and “demi-permanent” are the same thing.
  • But the Way the two are put together is very different.
  • The biggest difference is that semi-permanent colours have a small amount of peroxide in them.
  • There is a lot less peroxide than in Permanent hair dye and there is no ammonia like in semi-permanent hair dye.
  • By adding peroxide, semi-permanent colours can open the cuticle of the hair so that the colour can be absorbed.
  • The Result is a richer colour that is easier on the hair than a permanent colour and lasts for up to 24 washes.
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It is used by mixing it with a low-volume developer that activates hair color with a low level of peroxide to lift the outer cuticle so that pigment can lodge there without affecting the innermost fibers of the cortex.

Demi-Permanent Color is usually applied to dry hair before shampooing to deposit pigment on the surface layer without lightening your natural hair color.

Does Demi permanent hair color lasts longer than semi permanent hair color

Does Demi permanent hair color lasts longer than semi permanent hair color

Clairol Professional, a hair care company says that the main difference between semi-permanent and demi-permanent hair colour is how long it lasts: Semi-permanent hair colour can last up to 24 shampoos, while semi-permanent hair colour usually lasts between 4 and 12 shampoos.

“Unlike demi permanent hair colour, semi permanent hair colour is a deposit-only formula that doesn’t need a developer or any level of peroxide,”

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Dove hairstylist Cynthia Alvarez tells Byrdie. “The colour coats the outside of the hair and changes the tone, not the colour. Most people also call semi-permanent colour a stain, a gloss or a toner.”

Demi-permanent hair colour, on the other hand, has a “developer” which is a small amount of peroxide that helps the colour get into the outer cuticle of your hair and last longer (via L’Oreal).

So what kind of dye is best for what you want? eSalon.com says that a demi-permanent hair colour is a good choice for anyone who wants to change their hair colour for a short time without damaging their hair or making a long-term commitment.

While semi-permanent hair colour is great for people who want to change their hair colour even more temporarily (and maybe want to try out a bold colour! ), it fades quickly.

How to get the perfect hair color for you

How to get the perfect hair color for you

Another bad person? Not even knowing your skin tone to begin with. Lordet told New Beauty that comparing your skin to a white sheet of paper is the best way to figure out what colour it is.

“Your skin tone is warm if it looks yellow or gold next to the paper. You have a cool skin tone if your skin looks red, pink, or rosy.” Stylecraze says to look at your wrist in the sun.

If your veins are green, you have warm tones and if they are blue, you have cool tones. So, what’s next? Lordet says to choose an undertone for your hair colour that is the opposite of the colour of your skin.

Too much time in the sun can also change the colour of your hair. Hair expert Peter Oon says that this is because oxidation from the sun takes away the richness of the colour (via New Beauty).

Also Check – What Are Cool Tones In Hair Color?

The good news is that you can fix this by giving your hair a gloss or conditioning treatment in between appointments or by wearing a hat the next time you go outside.

Also it can be just as bad to go too light or too dark: Lordet says not to go too light and suggests a darker base colour for balance. He even comes up with a three-shade rule for getting darker (via New Beauty).

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“In general, I like to stay within three shades of the natural hair colour,” she says, because going too far will make the hair look dull.

Difference Between Semi And Demi-Permanent Hair Color – Video Review

How long will the semi and demi-permanent color last?

How long will my semipermanent and demipermanent hair colour last? This is the question that everyone wants to know the answer to. But it can’t be answered in a clear way.

It depends on Whether you choose a semi-permanent or demi-permanent formula as well as how your hair is made and how porous it is.

Even though both formulas are temporary, the demi-permanent colour lasts about 20 washes on average, while the semi-permanent colour only lasts about 8 washes. There are also some colours like blue and green that tend to last longer than others.

How often you wash your hair also affects how long the colour lasts. If you want your hair colour to last as long as possible, don’t use shampoos for oily hair, dandruff or deep cleaning.

Instead, use shampoo for colour protection. Also protecting the paint from heat and from UV rays can make a big difference in how long it lasts.

Semi- vs. Demi-Permanent Hair Dye

Semi- vs. Demi-Permanent Hair Dye
It’s easy to tell the difference between temporary and permanent hair dye. But it’s harder to tell the difference between semi- and demi-permanent. Both of these things mean that the hair colour will last for a while.

Papanikolas says that semi-permanent dyes usually don’t have peroxide or a developer and just sit on top of the hair. “Demi-permanent is deposit only, which means you can only go the same level or darker.”

Both dyes usually don’t have ammonia in them, which means they are less bad for your hair. Papanikolas says that with semi-permanent hair dye, you can use heat to get the colour deeper into the hair if you want to cover more grey or blend it in.

Neither dye is strong enough to lighten your hair, but toning products like L’Oréal Paris Le Color One Step Toning Gloss can get rid of unwanted tones for a cooler look.

The Truth About Using Professional Hair Dye At Home

If you colour your hair, you might think you only have two extreme choices:

You could spend a few hours at a fancy salon while a professional fusses over you and gives you wine and women’s magazines. When you leave, your hair will turn heads but the bill will make your eyes pop.

On the other hand, you could just go to the drugstore and spend a few dollars on a dye that says “sassy strawberry blonde” but makes your hair look like canned peaches.

But what if you could get your colorist’s magic without leaving your house? There are now a lot of shopping sites where you can buy professional hair dye that you can put on your own hair by following simple instructions. This is a lot cheaper than going to a salon.

But if you don’t have a trained eye, you could still choose the wrong colour which could be expensive: “One bad colour job will take a professional colorist two or three salon visits to fix” Sharon Dorram, a colorist in New York City, told Harper’s Bazaar.

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Get professional help when choosing your color

What Is The Difference Between Semi And Demi-Permanent Hair Color?

The safest way to get Professionally coloured hair at home is to go to a salon first. Your colorist will help you find the shade that will give you the look you want.

You just need to make Sure she tells you how to do it so you can buy the dye and do it again When the colour fades and you can see your roots.

According to NJ.com, Some salons have even started selling color-at-home kits but it’s not clear if this will become a bigger trend and spread to other salons.

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If You don’t have the money for an initial salon colouring, You can still talk to a professional about what colour to choose.

Rachel Bodt, a colorist in New York City told Allure that she FaceTimes with clients. Some websites like Madison Reed give you a detailed online quiz to help you figure out the best hair colour for you and then you can live-chat with a colour expert who can help you make your choice.

If you are not familiar with this brand and would rather use one that is sold in many salons across the country, L’Oreal Professional has a website called Color & Co that can help you choose an L’Oreal Pro Colour with live help.

FAQs – Difference Between Semi And Demi-Permanent Hair Color

FAQs – Difference Between Semi And Demi-Permanent Hair Color

Demi-permanent hair colour doesn’t have bleach or ammonia in it. Instead, it just puts colour on the hair. Since these formulas don’t lift your hair, they shouldn’t hurt it in any way.

Demi-permanent colour contains no ammonia and deposits only. It is mixed with a low-volume developer to help open the cuticle, and it can be used for up to 24 shampoos. This type of colour is great for blending grey, bringing out natural colour, refreshing colour, toning highlights, or fixing mistakes.

Welcome, Demi!

This colour is made to fade gradually and naturally, but it will last longer than semi-permanent and in some cases won’t wash out completely (depending on your hair colour and condition).

If you want to change your hair colour temporarily or change your tone from cool to warm or vice versa, demi-permanent is the best and least damaging option.

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