Driclor is effective, but also dangerous, it contains aluminium.
Note that's not good for your health to stop sweat, as it's a natural process. Your body tries to elimiate toxic wastes. The best thing is trying to understand the "why". In my case, I understood it was an hormonal disbalance, and it was one of the sign that made me understand I have thyroid problem, plus my diet wasn't good and I was dehydrated because I don't drink enough.