If you have heard the term “hair porosity” recently and been baffled - don’t worry, you’re not alone! There are lots of different terms and categories to describe hair health, texture and type. We get it - it can be overwhelming! This week, we’re going to be breaking down another (possibly) daunting hair care term – porosity. The term “hair porosity” refers to the general ability of your strands to absorb and retain moisture. There are 3 different types of hair porosity levels:low, mediumandhigh.