Jul 2, 2020

Why Understanding Your Hairs Porosity Is So Important

Over the past few months with the hairdressers being closed, I've been researching a lot more into hows best to care for my hair and safe to say, I've learnt a lot!

One thing that's helped me a lot was understanding the concept of hair porosity and I think it would be useful to share as it applies to every hair type.

So, what is hair porosity?
To put it simply, hair porosity relates to how easy or hard your hair finds it to absorb and retain moisture. There are 3 types of porosity:

Low Porosity:
  • The hair has flat, tight cuticles which don't let moisture in quickly.
  • Hair takes a long time to dry after washing.
  • Oils and products easily sit and build up on your hair and scalp.
Medium Porosity:
  • Considered 'normal' porosity.
  • Hair lets moisture in quickly.
High Porosity (usually the case for heat damaged hair):
  • Hair absorbs moisture quickly.
  • Hair dries extremely quickly after washing.
  • Hair is dry, coarse and frizzy.

How do you find out your hairs porosity?
It's actually so easy to test your hair porosity type! All you need to do is fill a glass with water, take a strand of your hair from a hair brush (or cut a small strand from your hair for a more accurate result) and place it in the water.

If your hair stays floating at the top of the glass, you have low porosity. If the hair floats in the middle of the glass, you have medium porosity. Finally, if your hair sinks to the bottom of the glass, you have high porosity.

Can you change your hairs porosity?
Yes! If you find out that you have either high or low porosity, the good news is that there are steps you can take to reach a more medium porosity.

If you find you have low porosity, stay away from products which contain protein and oils as these tend to cause product buildup and instead, look for products which include glycerin and honey as these take longer to penetrate the cuticle.

If you have high porosity, protein treatments and deep conditioners are your best friends. Products which include butters and oils will help moisturise the hair while deep conditioners and leave in conditioners will help seal in the moisture.

I'm super keen to know if you do the porosity test and what your hair type is! Make sure you let me know in the comments!

Make sure to follow me on my socials so we can connect!

Join the conversation!

  1. I've never really thought about my hair's porosity before, but it makes perfect sense! xo


    1. Honestly, once you understand your hairs porosity, haircare becomes so much easier! x

  2. This post is so useful, I had no idea about hair porosity! Thanks for sharing :)

    Albertine | https://www.albertinesarah.com/

  3. such a great post ! i am the worst when it comes to my hair
    shy - https://www.shyyshianne.com/

    1. Hahah, so was I! I've only recently really started researching into it and I've seen such a difference!

  4. I think my hair has medium porosity but I am intrigued to confirm my suspicions now!

    xo Sarah | Oomph London

  5. I never heard of "porosity" this is really informative. Thank you for sharing :)

    xx Alyssa | Style Vanity

  6. I would say mine is between medium and high! But thank you for doing a blog post about this it was super informative!


    1. Mine is high too! I'm now focusing on how to get it down to medium x

  7. girl DAMN your hair is gorgeous! I am so envious of your length - I did the big chop last year and miss my hair. This is a really informative post xx

    mia // https://beautiful-inspiring-creative-life.com

    1. Girrrrrl, thank you!! The big chop is the best thing you can do to fully start a healthy hair journey. Your length will come back and your hair will look amazing! xx

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