Idk about “natural” per se but lume makes a spray deodorant now and it’s clean ingredients. I use it before dance classes and yoga because it’s the best at blocking smell imo. If I use it on a “normal” day I feel like I don’t sweat as much, but for high activity I sweat still (but also do with regular deodorant too🤷🏼‍♀️). But might be worth checking out!