Switching to a natural deodorant sounds easy enough, but with new products coming out every day and an uptick in posts related to “armpit detoxing” swarming social media in recent years, you may have a question or two about the process. What’s with the growing interest in natural deodorant? Well, traditional antiperspirants can contain ingredients like aluminum, which has been shown to cause “gene instability” in breast tissue that may lead to the growth of tumors or cancer cells.