Did the Beatles use hair straighteners?

and if not, how did they get their hair so awesome? (speaking from a 1965-1967 time frame)Did the Beatles use hair straighteners?
Lol no they didn't straighten their hair.


It's just naturally like that.


John would never.Did the Beatles use hair straighteners?
No, their hair was naturally like that.
I dont think they had hair straighteners at that time.


Their hairs is like that, Beatles style.


But if you look at their hair now, those that still around, the hair is different from that time.