I received some other shower steamers for Christmas which were just ok and wanted to try some other brands for comparison. I’ve tried 4 different types so far and these have by far been the best. Others have ranged from just ok to abysmal. One didn’t even smell like it’s supposed scent but more like a chemical scent. This product had a very clear lavender scent which was strong enough to permeate my bathroom, the bedroom, and even into our hallway. It lasted what I initially thought was too long. I left it in the shower overnight though and it still worked the next morning. Your mileage may vary, but you could probably use this 2-3 times depending on how long you’re staying in the shower. I was a little worried it might stain the stone in my shower as it leaves a slight purple residue while working, but I had no problems. Eventually it all just washed away down the drain, no cleanup necessary. I’m hoping that they produce some other scents at some point. Though lavender is my favorite, an orange or lemon for the morning or maybe tea leaf would be nice. So far this is clearly the best shower steamer I have used.