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Hair Porosity 

Your hair needs oil and moisture

For your hair to stay healthy and to grow it needs oils and moisture. Products help but you need the right products which can pass through the cuticle to get to the cortex.

If the cuticles are too close together it’s not easy for water and oils to penetrate the hair this is known as low porosity hair. This can make it harder for your hair to get the moisture it needs. Once you get moisture your hair can easily stay hydrated. 

If, however, the cuticles are too widely spaced your hair will have a harder time retaining moisture and staying hydrated this is known as high porosity hair. Learn more here

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High porosity 


With high porosity hair moisture can be absorbed into the hair shaft easily, yet it isn’t able to retain moisture for long. You may also find that your hair breaks easily, is frizzy and dry. Things like bathing, swimming and shampooing can create more damage and breakage due to the sheer amount of moisture highly porous hair can absorb. 


1. Look for ingredients like butters and oils in shampoos and conditioners. These ingredients will help moisturise your hair.

2. Use leave-in conditioners and sealers. These products help your hair hold on to moisture.

3. Use a heat protectant product on your hair. Apply this product before you blow dry or use other heat styling treatments. This can protect your hair from heat damage.

4. Avoid hot water when shampooing and conditioning. Use lukewarm water instead.

5. Use anti-humectants in climates with high heat and humidity. This will help seal your damaged cuticles and prevent them from absorbing excess moisture in the air.

Normal Porosity 


With medium or normal porosity hair, the cuticles aren’t too close together, but aren’t too open either. This allows moisture to penetrate easily, and it also makes it easier to retain moisture for a longer period of time.

Hair with medium porosity often requires the least amount of maintenance.  Hair tends to look healthy, shiny, or glossy and it doesn’t take too long for your hair to air dry.


1. Hair can take colour well but make sure not to over do it as this can lead to high porosity hair. 

2. Heat damage and other chemical processes can also cause normal porosity hair to change over time

3. Occasional deep conditioning treatments with protein conditioners can benefit medium porosity hair, but proteins should not be included in your daily regimen.

Low Porosity 


As your cuticles are close together, products may just sit on top of the hair strands weighing them down without adding moisture. You may also find the it takes a little longer to dry your hair. 


1. Use protein-free conditioners. These tend to be more easily absorbed into your hair and may be less likely to cause product buildup.

2. Apply conditioner to hair that’s already wet. Diluting the conditioner may make it easier to be absorbed into your hair.

Look for humectant ingredients like glycerin and honey in shampoos and conditioners. Avoid products with oils, as these tend to have a harder time penetrating the cuticle.

Apply heat when you condition your hair. Use a steamer, heat cap, or hooded dryer. Or, if you don’t have those, put a shower cap over your hair once you’ve added a conditioner.

5. Choose lighter, liquid-based products such as hair milks that won’t sit on your hair and leave it oily or greasy.

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What is Porosity 

Your hairs ability to absorb moisture and oils.  If you have low porosity hair the cuticles, which make up the outermost layer of your hair, are close together. With Medium porosity hair the cuticles that are less tightly bound. Lastly with high porosity hair the cuticles that are more widely spaced. 

How to check my hair posoity

1. Shampoo and rinse your hair to remove any product buildup.

2. Fill a glass with water.

3. Once your hair is clean and dry, drop a single strand of your hair into the glass of water.
Watch the strand to see if it sinks to the bottom of the glass or floats at the top.


Low porosity: Strand float at the top before sinking

Normal porosity: Strand float somewhere in the middle of the glass

High porosity: Strand quickly sinks to the bottom of the glass