In my experience, a common issue for boys with autism is having their hair cut. Often, a hair salon is a busy and noisy environment. People coming and going can be enough to make a person with autism feel over the edge. The environment alone is just one factor, you then have the quandary of how to get them to sit in the strange chair, still, I may add, for the 20 minutes it takes to cut their hair.
Read more: https://themighty.com/2017/07/tips-autism-haircuts/