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How To Figure Out Your Hair’s Porosity, And Treat It Accordingly

There’s no ‘one size fits all’ routine when it comes to haircare. What works for some, may not work for others. And as with our skincare, it pays to use the products that cater to your specific hair type. One factor that is often misunderstood but plays a big role in determining what products will actually work on your hair is its porosity.

‘Porosity is your hair’s ability to soak up and hold in moisture and products,’ explains hair artist and founder of her eponymous haircare line, Charlotte Mensah. ‘Discovering your hair’s porosity and curl pattern will give you a better understanding on how to treat, manage and care for your hair,’ adds Abigail Butler, guest artist for L’Oréal Professionnel.

To find out exactly what your hair porosity is as well as the best products to use to care for your hair keep on scrolling.

What Is Hair Porosity?

As explained by Charlotte above, hair porosity is a term used to understand how well your hair absorbs and retains oils and moisture through the cuticle. ‘For optimum hair condition it is vital to understand your hair’s porosity,’ says hair stylist and salon owner, Paul Edmonds. Why? ‘Because it affects how your hair responds to both products and styles,’ adds Edmonds, and thus it should be used to determine your haircare routine (and prevent us from wasting money on products that don’t work).

What Are The Different Types Of Hair Porosity?

There are three types of porosities, as explained by Butler:

  1. Low porosity: ‘this is when the cuticles are closed which makes it hard for oils and moisture to penetrate.’
  1. Medium porosity: ‘the cuticle tends to be looser which allows for the right amount of moisture to enter and escape.’
  1. High porosity: ‘has cuticles that tend to be raised with more bumps and dents. This particular porosity can absorb a lot of moisture while at the same time losing the moisture quickly.’

‘If your hair falls into the below categories, it’s likely to be high porosity,’ adds Edmonds:

  • Curly hair (particularly red, or types 2c to 3 curl pattern)
  • Coily, afro hair and treated natural hair textures (type 4 curl pattern)
  • Grey Hair
  • Processed, coloured hair

There are, however, several ways to test your own hair porosity (keep reading).

Put Your Hair To The Porosity Test

There are two main methods you can use to determine your hair porosity type, as Butler explains below:

  1. The float test: ‘With freshly clean hair, take a hair strand and place it in a glass of water. If your hair floats and sits on top,, you have low porosity. If it takes time to sink to the bottom of the glass, you have medium porosity. If your hair sinks, you have high porosity.’
  1. The slide test: ‘Take a strand of hair and slide your fingers along the strand towards the scalp. If you feel bumps along the hair, this means the cuticle is raised and you have high porosity hair. If the hair feels smooth, you have low porosity hair.’

What Products Should You Use For Hair With Low Porosity?

Admittedly, finding the right products for low porosity can be challenging. Although this hair type easily takes in moisture, it struggles to retain it. Products ‘need to be able to penetrate through the cuticle while avoiding product build up,’ says Butler. Top tip? ‘Liquid based products such as hair milks are a great option,’ recommends Butler who also suggests jojoba oil and coconut oil to help add moisture and hydrate this porosity type.

fekkai-low-porosity

“You can also treat low porosity hair by using a very nurturing and rich treatment mask,” says renowned hair stylist and owner of Fekkai Haircare, Frederic Fekkai .“Adding heat helps to open the hair’s cuticles, so investing in a hooded dryer or steamer will produce the best results”, he adds. Try a cream based mask like the Fekkai Brilliant Gloss Multi-tasking Perfecting Crème designed for dry, frizz-prone hair to infuse strands with moisture and serve up salon-worthy styling without leaving behind any residue. Rinse hair with cold water to close the cuticles afterwards.

What Products Should You Use For Hair With High Porosity?

A damaged cuticle layer is what causes highly porous hair to struggle with dryness and frizz. ‘Leave-in conditioners, treatments and sealants such as shea butter and oils are all great for high porosity hair,’ says Butler. ‘Because they allow your hair to hold onto the moisture while sealing the cuticles to prevent excessive moisture loss that can occur from climate conditions and using heat styling tools.’ Edmonds highly recommends the Shu Uemura Essence Absolue, £49.20, ‘it’s a great all-rounder for high porosity hair – rich camellia oil helps protect the hair fibre from dryness and UV damage, while providing intense nutrition and deep conditioning treatment.’

Or, if the amount of choice is overwhelming and you’re not sure where to begin, try a brand like the Curls Club, a subscription service founded by owner Chloe Simpson that aims to take the guesswork out of caring for high porosity and curly hair by sending a bespoke box of hair products recommended by experts, and curated for your happiest, healthy hair.

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