Exactly. If one of my cousins regularly stole my car and took it out to smash burnouts, there wouldn't be too many commenters saying 'oh that's so cool, maybe you guys can bond over it? Maybe you can pay for some drifting lessons for him as it seems like he's really into it'. While that example is heavily exaggerated, it's the same stupid logic some people here are using.

I think all you can do is speak to her and calmly explain how you don't want her going into your room and using your perfumes without asking you first, as it makes you feel X. I know parents can be tricky at times but hopefully she will understand that it's not appropriate.