How to care for sewn in hair extensions? 10 tips to follow

Sewn-in hair extensions are a fantastic investment for those who love beautiful hair and convenience. However, it is essential to acknowledge that nobody wants to see their investment go to waste over time. 

That’s why, in this article, Jen Hair will provide you with some of the most effective tips on How to care for sewn in hair extensions. By following these tips, you will not only be able to maintain your extensions’ stunning appearance but also extend their lifespan. So, let’s delve in and discover how to care for sewn-in hair extensions properly!

How to care for sewn in hair extensions

Proper care and maintenance are crucial to ensure the longevity and appearance of your sewn-in hair extensions. Here are our guidelines on how to care for sewn-in hair extensions that you should follow:

   1. Wash your extensions regularly

How to care for sewn-in hair extensions
Regular washing can help prevent extensions from tangling and matting. Photo: Ground Water Governance

Regular washing is a vital part of maintaining clean and healthy hair extensions. We recommend using sulfate-free and extension-friendly shampoos that are gentle on your scalp and hair. 

When washing, gently massage the shampoo into your scalp, avoiding excessive scrubbing that can cause tangling and matting. After that, you rinse it thoroughly with lukewarm water, ensuring no residue is left behind.

   2. Condition the extensions 

Like other extensions, conditioning is always a practical tip on how to care for sewn-in hair extensions. After washing, you can condition your sewn-in hair extensions to keep them soft, shiny, and manageable. 

First, you need to choose high-quality conditioners that are specifically formulated for sewn-in hair extensions. To use it, you can begin by applying a generous amount of conditioner, focusing on the mid-lengths and ends of the hair. Then, leave the conditioner on for a few minutes to allow it to penetrate the hair shafts. The final step is to rinse thoroughly with lukewarm water to ensure no product residue remains.

  3. Avoid overwashing 

While regular washing is important, overwashing can lead to dryness and premature wear of your extensions. This is one of the most important tips on how to care for sew-in hair extensions from our experts. 

In general, you should only wash your extensions every 7-10 days, or as advised by your stylist. You can also adjust the frequency based on your hair type and lifestyle. Moreover, if you feel the need to refresh your extensions between washes, consider using a dry shampoo designed for extensions.

  4. Use a wide-toothed comb 

how to care for sewn in hair extensions
You should opt for a wide-toothed comb when detangling your hair. Photo: Allure

To prevent unnecessary tugging and pulling, we recommend using a wide-toothed comb when detangling your hair extensions. You can start from the ends and gradually work your way up to the roots, gently removing any knots or tangles. 

Don’t forget to avoid using a brush or comb with fine teeth, as it may cause breakage or damage to the extensions. Furthermore, the most important thing is to be patient and gentle during the detangling process to maintain the integrity of your extensions.

   5. Minimize heat styling 

Excessive heat can damage both your natural hair and the extensions. Since then, other than cleaning and conditioning it, minimizing heat styling is also a crucial part of how to care for sewn-in hair extensions. 

You should avoid heat-styling tools, such as flat irons, curling irons, and blow dryers. When heat styling is necessary, always apply a heat protectant spray or serum to shield your hair from high temperatures. Opt for heat-free styling alternatives whenever possible to minimize damage and maintain the longevity of your extensions.

   6. Sleep with care 

How to care for sewn-in hair extensions even when you are sleeping? We help a few simple habits here! Before bed, you should tie your hair in a loose braid or bun to prevent tangling and reduce friction between the extensions and the pillowcase. 

More than that, consider using a silk or satin pillowcase, as it creates less friction and helps maintain the smoothness of your extensions. By taking these precautions, you can wake up with tangle-free and beautiful hair extensions. Further reading: How to sleep with hair extensions the right way?

   7. Avoid chemical treatments 

how to care for sewn in hair extensions
In order to properly care for your extensions, you need to refrain from subjecting them to chemical treatments. Photo: LoKaCi Blogging

Chemical treatments such as perms, relaxers, and color treatments can weaken the bonds of your sewn-in hair extensions. It’s best to avoid these treatments or consult with a professional stylist experienced in working with extensions. If you desire a new look or color, consider temporary alternatives like clip-in extensions that allow you to experiment without compromising the integrity of your sewn-in extensions.

   8. Protect your extensions in chlorinated or saltwater 

With summer approaching, you may find yourself swimming more frequently. If you have sewn-in hair extensions, please take measures to protect them when swimming in chlorinated or saltwater. Prior to entering the pool or ocean, wet your hair with clean water to reduce the amount of chlorine or saltwater absorption. 

Once you have finished swimming, make sure to rinse your hair thoroughly with clean water and apply a leave-in conditioner to replenish moisture and minimize any potential damage. By following these simple steps, you can enjoy your time in the water without compromising the integrity of your extensions.

   9. Maintain regular extension checks 

Other than several steps on how to care for sewn-in hair extensions above, another crucial step is to schedule regular maintenance appointments with your stylist. During these appointments, your stylist will assess the condition of your extensions, reposition any loose or damaged wefts, and recommend any necessary adjustments. Following their advice and scheduling regular checks will help you maintain the health and longevity of your sewn-in hair extensions.

   10. Stay hydrated and eat a balanced diet 

how to care for sewn in hair extensions
Including omega-3-rich foods on your daily meal can strengthen your hair. Photo: NDTV Hair

Healthy hair starts from within. This tip seems to be simple as it sounds, however, it is one of the most difficult things to do on how to care for sewn-in hair extensions. 

To promote the growth and strength of your natural hair and extensions, remember to stay hydrated by drinking an adequate amount of water daily. Additionally, you should incorporate a balanced diet rich in vitamins, minerals, and protein. Nutrients such as biotin, vitamin E, and omega-3 fatty acids contribute to healthy hair. By nourishing your body from the inside out, you support the overall health and vitality of your sewn-in hair extensions.


  1. Do sewn-in hair extensions need high maintenance?

Sewn-in hair extensions do require a certain level of maintenance to keep them in optimal condition. Our article highlights all you need to do on how to care for sewn-in hair extensions properly. So, make sure you follow them to manage your extensions perfectly and consistently. 

   2. How long do sewn hair extensions last?

The quality of the extensions, how well they are cared for, and the rate of natural hair growth all affect how long a set of sewn in hair extensions will last. The lifespan of hair extensions that are sewed in might range from 6 weeks to a year. Some extensions, however, can last up to 4 months with consistent maintenance and care. Keep in mind that the extensions may need to be relocated or readjusted as your natural hair grows in order to keep a uniform and natural appearance.

   3. What not to do with sewn in extensions?

If you ask “how to care for sewn in hair extensions?’, we also want to note that there are certain things you should avoid to ensure its longevity and natural look:

  • Avoid excessive heat styling: Exposing your extensions to high heat frequently can cause damage and shorten their lifespan.
  • Don’t use harsh hair products: Avoid shampoos or conditioners that contain sulfates, as they can strip the hair of its natural oils and weaken the extensions.
  • Avoid pulling or tugging: Be gentle when detangling your extensions and avoid aggressive brushing or combing that can lead to breakage.
  • Don’t sleep with wet hair: Sleeping with wet extensions can cause tangling and matting. Ensure your hair is fully dry before going to bed.

Final thoughts

To sum up, there are several steps on how to care for sewn-in hair extensions. This article has provided you with the ten most practical ones, so make sure you read and take note of them carefully. 

Lastly, if you found this article helpful, please share it with others who may benefit from this information. Your support is greatly appreciated!

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