I've used many different antiperspirants, but this one is the real deal! I suffer from hyperhidrosis and even if I use antiperspirant, my armpits sweat immediately. Because of that, I had given up, but I happened to come across this product and tried it, and my sweat stopped! Of course, there is no armpit odor! I was really surprised. However, there are different strengths of products, and I chose the strongest one from the beginning. Instead, the skin becomes irritated. This is the result of persevering and overcoming it. We recommend a patch test for first-time users.