Deoderants

My 13 year old daughter is unable to use any deoderant as she can't tolerate anything on her skin. She sweats excessively in her arm pits and consequently she is very smelly, which she really dislikes (she is very self aware). I am lucky that she showers every day and will use shower gel - she washes properly but a few hours later she will start to smell. I have bought numerous deoderants (scented, non-scented, roll on, stick, spray, eco friendly) and she can't tolerate any of them - I have never been able to put any sort of cream or sun lotion on her skin. Does anyone have any suggestions of alternatives I could try? I have heard antibacterial soap can help - any recommendations? What about mineral deoderants? Does talc work? I am really worried that her limited social interaction will stop if she feels she is too smelly or if people stop wanting to interact with her. It is such a source of distress at the moment for her. Any advice welcome, as I know I  am not the first parent to have this issue, so maybe someone out there has found something that worked!