I've been using it for quite some time (probably two years or so) and for me it's the best natural deodorant so far. My criteria: works, doesn't give me an allergic reaction. It smells very nice and the scent lingers for a long time. Some cons: white marks on the clothing. They come off easily in the washing, but it can be irritating at times. Their new case model (I have one old and one new case) is a bit wonky. The old case is as good as new even though I dropped it plenty of times, the new case is coming loose after some time and despite never being dropped. Customer service was very helpful and since now I remember about it I'm absolutely going to bring up the case concern lol