This is the best salon and barbershop etiquette! I found this blog post on FashionBeans and I just had to share!
1. Arriving at the salon with zero idea what you want.
If you have no idea what you want your hair to look like, well, neither do we.

2. Moving your head during the haircut.
What if you really, really need to reach something? Ask your stylist.
“Stop reaching for your phone [or] your drink,” the stylist says. “If you need it, we will hand it to you.”
Read complete article here: http://www.fashionbeans.com/content/dear-everyone-please-stop-doing-this-at-hair-salons