For a safe, non-toxic formula, this Native Deodourant Natural Deodourant Made without Aluminium & Parabens in Coconut & Vanilla ($12, originally $15) is the only way to go.
"I've been wearing natural deodourant for a few years," one customer wrote. "I tried several brands, but I haven't really been happy with the results of any of them. A mammogram tech recommended Native to me, and I'm so glad she did. Native is the only one I've tried that stops odour and prevents wetness."