noun
iron perm
A hairstyle, typically for men, where short hair is set into curls or waves using a flat iron. Often associated with a specific Japanese fashion subculture.
wasei-eigo (Japanese-coined English), from iron permanent
彼はアイロンパーマをかけて、髪型を変えた。
He got an iron perm and changed his hairstyle.
あの美容室はアイロンパーマが得意らしい。
That hair salon seems to be good at iron perms.