My husband and I did the class early on, when they had just been doing them for a few months. John and Cyndi were there running the whole show at that time, and John's knowledge (he's a chemist) was very helpful. We had a wonderful experience, even though I didn't love the scent I created. I went in with a preconceived idea of what I wanted, which was a bad idea. Be open minded, listen to the explanations of the bases and scents, and you'll enjoy it.