Scientists say they can make antiperspirant from body fluids 

Scientists from Virginia Tech in the U.S. say it's possible and, while the idea may make you squirm, the work is said to have caught the eye of several manufacturers. https://www.dailymail.co.uk/health/article-9027671/Scientists-say-make-antiperspirant-body-fluids.html?ns_mchannel=rss&ns_campaign=1490&ito=1490