we say , you don't touch other people, unless it's nice....

But then he started pulling my hair, after two weeks of " be nice to mummy " etc, my mum told me to pull his hair next time, so I did, not hard, but he was surprised and hasn't pulled my hair since.... Though he sometimes pulls his dads, but it's more of a wake up dad, don't ignore me , when DH tries to sleep in lol
This is us, our DS was getting quite agro pulling DH's hair alot (I think it was a testosterone thing) we tried time out, smacking, ignoring, nothing worked, One day DH, our of sheer frustration,pulled DS hair back and he never did it again.
Worked for us.