Violets Are Blue as seen on Elle.com...
...and available online at Beautyhabit: https://www.beautyhabit.com/collections/violets-are-blue
Roll-On Deodorant by Violets Are Blue: 16 Natural Deodorants to Keep You Smelling Fresh.
In case you find natural deodorants don't exactly give you that oh-so-fresh feeling, this extra strength but still aluminum-free option might do the trick. Baking soda and kaolin clay offer extra sweat-absorbing effects.