There are more and more deodorants on the market without the ingredient Aluminium and they all fall under the term healthy deodorants, but why? Aluminum in deodorants (and also in cosmetics and food) is linked to breast cancer and Alzheimer's, it's a metal that's toxic to your body. Aluminium is an ingredient that’s active against excessive sweat production, it sees to it that the sweat glands pinched closed so that there’s no transpiration. That this is bad for your body is not yet scientifically proven, but on the other hand, why would you take the risk? I've used for a while deodorants with a very high concentration of Aluminum (Lady Speed Stick and Secret), ...