What is porosity? It is your hair's ability to absorb and hold moisture in the hair shaft. There
are three porosity levels: low, medium (normal), and high. Low porosity hair has a cuticle
that is tightly bound, making it challenging for moisture and chemicals to effectively
penetrate and be released. High porosity has gaps and holes in the cuticle, which allow it to quickly absorb moisture and chemicals while also quickly releasing them. High porosity hair
can be a result of genetics, over manipulation, heat usage, or chemical processing. Medium porosity is the easiest to manage and is the happy medium. There are multiple ways to check your hair’s porosity. Read more......