Use it to preserve and give shine to bug carcasses
It has already been established that hairspray is great to preserve many different objects such as leather couches, ceramics, and even metal decorations. It turns out that it can also preserve dead bugs. Of course, not many people use it this way, but if you are a budding entomologist with a love for preserving insect carcasses, then this one is for you.
The chemicals in this common hair product work to stop the decaying process and protect surfaces from damage. Once you have completed the embalming process spray the carcass with some lacquer to make sure your model is shiny and protected from any scratches. All that is left is to display it for everyone to admire.