Baby and self harm

My baby love to self harm like no matter what we do she keep on doing things that seem painful even to us adults!!!!! She scratched herself on her leg?!?!?!?! I was shocked waking up to that leg!!!!!!!!! Then for baby’s head she love love love to pull her hair out!!!! She dont feel pain????????? I don’t know I feel v pain watching keep stopping sometimes can’t control I get sooooooo annoyed