Along with skin, hair is a physical marker, visually apparent, allowing for the distinction of human beings in different genetic categories. In this series of three articles, we will focus on the most unique of all: kinky hair, which, contrary to other types of hair, defies gravity and looks towards the stars like the foliage of a tree. This series is not an umpteenth one on kinky hair. It will focus on what makes so particular this type of hair that grows on the head of the majority of melanodermas.