Create gorgeous curled hairstyles for BARBIE doll with BARBIE ultimate curls playsets. It’s so easy with no-heat tools There are two ways to curl BARBIE doll’s long blonde hair -- With the curling iron or the curlers, and nothing uses heat. Simply wrap the doll’s hair around the tool, hold and release. Create tight curls, loose waves or leave straight. Additional hair accessories -- hair ties, clips and a headband -- allow even more hairstyling for creative expression and fun.