Exact Answer: 4 to 6 months
Hair colouring is the technique of colouring hair. This is usually preferred by people for covering the greys. Apart from this, people also prefer this practice to style their hair. It makes one look more fashionable and desirable.
Hair colouring involves a chemical process that either adds or remove the pigment of colour to the hair. Hair colours these days are made in such a way that it penetrates the shaft of the hair and changes into an entirely different colour.
There is a pigment called melanin that is responsible for the natural hair colour. Hair colours are chemical preparation that interferes with the composition of melanin.
How Long Should You Wait To Dye Your Hair Again?
Hair colours are chemicals. Excess if chemicals are harmful. Hence, colouring hair too often is harmful. Over colouring of hair leads to excessive hair breakage, split ends and brittle strands.
That’s why it is recommended not to colour often. It is best to colour hair after 4 to 6 months as it reduces the risk of hair fall and hair damage. However, this is not the case for everyone because everyone has a different hair texture. That’s why it is important to take the advice of professionals.
Not waiting for enough time before colouring the hair again may lead to various problems. The hair may become recklessly dry, the amount of damage will be overwhelming, and the aftercare of coloured hair is indeed very expensive.
Hair dyes also come in different forms. Some of these forms are Temporary dye, permanent dye and semi-permanent dye. The temporary dye lasts for the shortest duration of time. Semi-permanent dye does not lift the natural hair colour and permanent dye lasts for the longest duration of time. The following table shows how long should one avoid colouring the hair-
|Type Of Hair Dye||Time Period|
|Temporary Dye||1 week|
|Semi-permanent Dye||2 to 3 weeks|
|Permanent Dye||6 to 8 weeks|
Why Should You Wait For This Long Before Dying Your Hair Again?
How often the hair should be coloured depends on various factors. Some of these factors are-
- Hair Type – It largely depends on the hair type. Hair type refers to the colour and growth of the hair. People with good hair growth need to colour their hair more often.
- Product Type And Composition – Permanent hair dyes come with a big risk of hair damage and breakage. For that reason, there should be more gaps kept between colouring hair with permanent dyes.
Bleaching is also considered a type of hair colouring only. In this procedure, bleach is applied to the strands of the hair that reduces the natural colour of hair to a certain amount giving it a blonde like an appearance. This gives a highlight to the hair.
Bleach is considered harmful to the hair. It is harsh so it should not be done instantly. A gap of 10 weeks will work.
How long the hair colour lasts depends largely on the porosity of the hair. Porosity determines how porous one’s hair is. This property determines how long will the hair retain moisture and colour.
Using a permanent hair colour might be very damaging for the hair as it will lift the hair with a high amount of hydrogen peroxide present in it. It opens up the cuticles so that the colour may penetrate deeper into the hair. It is said that more than 5,000 chemical compounds are present in the hair dye. However temporary and semi-permanent hair are safe to use.
With that being said, hair dye comes with numerous other benefits. Some of which is they can be easily be changed as long as it is not permanent. It is very easy to use and not at all time-consuming. It is kind of cheap as well. So, all it takes is the right product and the right professional to get that new hair that is not damaged.
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