I'm seventeen, and alway had hair problem mostly after the 6rd grade.
Every time i grow my hair out or get allot of hair i'm black btw i get ring around my hairline there not Itchy but mostly dry.
here a picture what it look like. it not the best picture but if can really see it come to be like rings
the only way i know to stop it or slow it coming is just alway cut my hair short and never grow it out
anyone know what it is and how can i stop it for good?