Ds 13 has always hated sunscreen. But in previous years we’ve got by with a combination of nagging and white lies (saying teacher says they have to wear it etc). Since secondary school and being more independent it has been pretty much impossible to insist. He hardly wears it. He plays sport and comes back with a red face and arms. Says it doesn’t hurt. I don’t know what to do, I have told him risks of skin cancer but he just ignores me. Not sure what to do