Cure for body odor?

I don't know how I smell like. I just know my smell offends tons of people. I shower every day wear deodorant perfume. I've been to a dermatologist, they told me there wasn't a way to test for body odor. They suggested that I use essential oils but I still get the same reaction. I've been suffering from it since childhood. I'm scared to get in a relationship because of it. Please help
Cure for body odor?
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