Safety precautions were very important, of course. There was one thing that popped into her mind whenever Jasmine thought about Potions. She wasn't sure that this was what the Professor was looking for, but this was something he always stressed. For this reason, she would mention it.

Jasmine raised her hand, and when it was her turn, she spoke. "You should always wash your hands before you begin brewing a potion. Then you should wash your equipment before, during and after you brew." Once you had you potion vanished, you would never forget that.