I've been using Arm & Hammer active sport for several months now. The scent is awesome and it lasts 24 hours. One 2.8 ounce solid lasts me 6 months easily too. My only complaint is that although its label says its an invisible solid its not completely invisible. There's a little bit of a white film. But when I use this product I don't have to worry for 24 hours. Even when I go to the gym after an intense workout it still works. The price is quite reasonable too.