My left pit.

Hey Kim, thank you for your question. Yes, that is true. To my knowledge, there is no deodorant available that focuses on the bacterial composition in the armpit. All deodorants focus on 1/ adding perfumes, masking the malodor, and 2/ decreasing the total microbial load, so less odor is produced. However, by killing all microbiota, one stears towards another microbial equilibrium in the armpit. And that can lead towards a more malodorous armpit. I predict in near future that this last thing will change. Focus should be on the malodor-causing species, rather than focusing on the complete microbiome. Best, Chris