You've probably seen AHAs ( glycolic acid, lactic acid, mandelic acid, citric acid) in many of your skincare products. They are some of the most effective actives for renewing your skin with proven research. And they are no longer just for your face. There's a slew of 'natural' deodorants on the market, formulated without aluminum, and use exfoliating acids like AHAs to fight body odor. Instead of masking the smell of the body, or stopping you from sweating (something to note), AHAs create the PH level where odor-causing bacteria cannot survive.