“…In another type, reported in a 10‐year‐old boy, an 8‐year‐old girl, and a 14‐year‐old girl, hair kinking completely regressed with time (reports range from 3 mos to 8 yrs) and was not associated with hair thinning . In yet another type, acquired localized hair kinking remained stable, without obvious associated hair thinning . In evaluating pathologic hair kinking or frizziness, in addition to excluding chemical damage and physical trauma to the hair, determining whether the condition is acquired or congenital is important.…”