Q&A for How to Make a Mad Scientist Costume

Paint rubber balls, let the paint dry, and put them in the jar. Go to Halloween.com for pictures.

If your hair is long enough, yes! Take a strand of your hair, and with a comb, brush from the bottom of the strand up to your head. Repeat until satisfied. This will make your hair REALLY frizzed and tangled, but it usually stays like that for a long time. (You can help it with hairspray.)

Usually scientists wear gloves to protect themselves from chemicals. Wearing gloves makes the costume seem more realistic.

You can be a young "mad" scientist if you wish. The grey haired, mad old scientist is a stereotype, an inappropriate one really as "mad" used in this sense is a term many people are uncomfortable with nowadays. If you would like to dress as someone completly devoted to their scientific experiments and research to the exclusion of everything else, having messy hair is great, an impassioned scientist would not have time to do their hair.