I used to work with acetone in a photo shop for the restoration of painted photographs (usually very high end, where the coating would yellow/darken over time and it had to be stripped and recoated). Acetone is safe to work with but you have to have adequate ventilation, and that does NOT mean a window or two open in your home. Also make sure you don't store in conditions adverse for the acetone so it doesn't harm you or your home.