Feb 06, 2019 Hair Porosity and Why It's Important Knowing your hair's porosity is essential to achieving proper moisture balance for your tresses. Once you know how your cuticle works, you can choose the right products for a healthy hair regimen. Continue reading Tags: acidic apple cider vinegar butters cuticle cuticle closed cuticle open hair growth hair porosity heat protectant heavy creams high pH high porosity humectants low pH low porosity moisture balance natural hair natural ingredients normal porosity protein sensitive relaxed hair