Q: I switched to a mineral salts deodorant crystal to try to get away from aluminum. Now I read that it also has aluminum (it's marked "ammonium alum"). The crystal works great against odor, but I don ...
Q: I’ve always read labels carefully and avoided antiperspirants with aluminum. However, I thought that natural crystal deodorants containing potassium alum would be safe. After all, I’ve used alum ...