How Long Does Semi-permanent Hair Color Last?

The selection of a hair dye is the most critical process. If you are looking for a little and temporary hair color change, then it is better to choose semi-permanent hair dyes. These hair dyes will have short stay time and will fade away quickly. These colors may last for 2 to 3 weeks, but it depends on the number of times hairs are washed. In semi-permanent dyes, you can choose a new shade every time. If you are getting the desired results you can continue with semi-permanent hair dyes otherwise, you can switch to permanent hair dyes. 

What is semi-permanent hair dye?

How Long Does Semi-permanent Hair Color Last?It is an alternative to permanent hair dyes, but these dyes will have a shorter lifespan. These dyes do not contain ammonia and peroxides. That means that before applying they don’t require any developer to mix with so you can apply these dyes straight to your hair with the applicator. These dyes are non-damaging and these dyes will have a short stay at your hair. 

When it comes to lasting power and time these dyes will only last for about 8 shampoos. Make sure that the shampoo and conditioner that you are using are effective for your hair. 

Types of hair color

There are three main types of hair dyes. Each type has different features and lasting time. 

  • Temporary hair color
  • These types of hair dyes are also known as washout hair color. These dyes do not actually change the color of your strands. These dyes don’t make to the cortex, and just color the outer surface of your hair. These dyes do not contain any harmful chemicals like peroxides and ammonia and will fade away after a few shampoos. These colors are the best choices when you are having fun or trying out different shades. You can try out bold or light shades as it will be removed just after few shampoos. 

  • Semi-permanent hair color
  • After the temporary hair there comes semi-permanent hair dyes. These colors will have a little bit more lasting time than temporary hair color. These dyes will last for about 8 shampoos. These dyes will just coat the outer shaft of your hair. These dyes do not contain a developer so these will not penetrate into the cortex. Applying these colors at home is an easy process. If you have grays and you don’t have time to visit a salon then semi-permanent dyes can be a good choice. It will not provide full gray coverage, but it will highlight the gray and will add a new look to your hair. 

  • Permanent hair color
  • These hair dyes will last for longer periods of time. These dyes contain chemicals that will help them to penetrate and the result will be long-lasting color. These types of dyes can help you to cover grays, light or darken the tone of your hair, and offers full coverage. These hair dyes are different from the above two and will grow out along with your hair. These dyes will create an obvious root and demarcation line. So the root touch up will become an essential part of a color maintenance routine.  

    How long permanent hair color last?

    Permanent hair dyes have long-lasting time. These dyes contain developer and ammonia so these dyes will open up the cuticles and will penetrate deep so these dyes will last for a long time. Again it is difficult to tell a specific time frame. It depends on the number of shampoos you do. These dyes will normally last between 6 to 8 weeks. If we talk about in terms of washes, these dyes might last for about 12 to 24 washes. 

    There are some disadvantages to these hair dyes. These hair colors will make your hair dry and will absorb all the natural moisture from your hair. So if you are using a permanent hair dye you must use natural oils to maintain moisture and avoid your hair from more damage. You can use olive oil, almond oil, and argan oil. 

    No matter what approach you use, but you need to care for it

    Dyes that involve the chemicals will reduce the elasticity of your hair and the chances of breakage will increase. So every hair dye will cause a little or more damage to your hair. So a hair dye is not prohibited but takes proper measures once you dye your hair. Take steps to keep your hair hydrated and moisturized. 

    The best way to tackle with brittleness, breakage, and dryness is to use pre-shampoo or pre-conditioners for proper treatment of hair. It is better to do so three days before and after applying hair dyes. This will give your hair enough moisture and elasticity that will avoid them from breakage. These pre-treatments will also add shine and manageability to your hair. 

    Bleaching can raise your hair cuticles that will results in tangles and interlock so after every shampoo don’t forget to use conditioner this will help to flatten up the cuticles. This little thing can bring shine, moisture, and reduce knots. In the end, use a smoothening product to smooth hair cuticles. This will help to reduce the evaporation of hair moisture and make your hair strong and healthier. 


    The selection of a hair dye mainly depends on your needs. If you want to change the look of your hair for attending a party or a marriage function then you should prefer a semi-permanent dye. It will fade away quickly and may take only 8 shampoos to completely wash out. More importantly, it does not contain any harmful chemicals so it will not damage your hair. If you want to cover your grays and want a permanent change of hair look then permanent hair dyes are best for you. 

    These dyes have long-lasting time and will stay for almost 6 to 8 weeks. These dyes will have some disadvantages as these dyes will remove the moisture from hair and totally make them dry. So be careful and wise, while the selection of hair dyes.

    Efforts have been made to get the information as accurate and updated as possible. If you found any incorrect information with credible source, please send it via the contact us form
    Sky Hoon
    Hair Lover, Idea Starter. He started HairQueenie, which is ranked #27 in the FeedSpot Top 40 Hair Care Blogs and mentions in ManeAddicts and Tempest. Hair is not everything but something. He started Hairqueenie to share great hair products. Over time, he found there are more value to share answers to hair problems that cannot be found easily.
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