curler
US /ˈkɝː.lɚ/
UK /ˈkɝː.lɚ/

1.
a roller, typically one of a set, around which hair is wound to curl it
:
•
She put her hair in curlers before the party.
•
My grandmother always used hot curlers for her hair.
2.
a person who curls hair
:
•
The professional curler styled her hair perfectly for the photoshoot.
•
She's a skilled curler, always getting the perfect bounce.