I am a heavy sweater and was seriously ready to give up on natural deodorants as nothing worked until my sister recommended No Pong. It has been life-changing! I still sweat but there is absolutely no odour coming from my arm pits. I tended to go through T-shirts quickly as they would start to smell under the armpits after about a month - no such problem now. My dad who's 74 and has had cancer treatment also wanted something natural but couldn't find anything gentle enough that worked - he was going deodorant free and feeling pretty stinky - until I told him about the bicarb free No Pong. He LOVES it and feels much more confident and safe knowing there's no nasties in there. Thank you so much for creating this product it's made a fairly significant embarrassment in my life feel insignificant.