Armpits never used to smell ???

I have tried every kind of deodorant... literally... I’m so big on smells. If I smell something bad I will tell you. So you can imagine how bad it’s bugging me that I have a smell now... I never used to until I came off my birth control patch a couple months ago, I figured my hormones maybe are causing it? Any recommendations on what to do to help it ? Please and thank you! Also I don’t every feel sweaty under my arms.