I use Odaban has been going for about a year and can say with full conviction that it acts tatsächlch! I had previously tried various deodorants - Rexona, Hidru Fugal, ... - but nothing could perspiration even remotely stop ... Odaban pale in comparison after a few days. I must say though, that it is indeed - especially at first - rather burn, even after shaving it burns but very. Initially, every night, now only every 2nd applied to the 3rd evening, it works wonderfully. If necessary, you can still apply a conventional deodorant, necessary but it is not ... The price-performance ratio is absolutely here, as these are highly concentrated 30ml. For me, the purchase is worth it, so 5 stars!