If there’s one thing I hoard unapologetically, it’s deodorants. Spray cans, roll-ons, cream sticks—name it, I have it. My collection spans from teen-friendly tropical mists to sophisticated, barely-there niche scents. You could say I’ve been in a long-term relationship with deodorants. Over the years, I’ve not just tested dozens, but also taken the time to understand what makes one better than the other, how they work, and whether we even need them.  What Is Deodorant Made Of? They are a cocktail of science and scent. Most conventional ones contain antibacterial agents like triclosan or alcohol that help kill the bacteria responsible for body odor. Then comes the fragrance ranging from floral to spicy notes, which masks any residual smell. Some also include moisturizing elements like aloe vera, glycerin, or shea butter to soothe the skin. Natural deodorants, which I’ve come...