Everything You Wanted to Know About Hair Porosity

What is Hair Porosity?

Each strand of hair has a layer called the cuticle. Porosity refers to how much moisture gets inside the cuticle layer. Healthy hair is normal to low porosity because it is not losing water or proteins from the interior. High Porosity hair is caused by wear and tear (combing/brushing, sleeping on cotton), harsh shampoos, chemical treatments, heat, bleaching and colouring.

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