No question—men mean business! Men’s hair requires more frequent upkeep, meaning your chairs stay full. But many hairdressers get a little skittish when it comes to doing men’s hair. Don’t let that stop you from making money! Here are the 10 tips you need to nail men’s styling from Sexy Hair International Master Stylist Kelly Bileddo, who is also a barber in St. Louis.

1. Keep Head Shape in Mind.
If he comes in with a predominant, square jaw, you don’t want to give him a square haircut, Kelly says—that’s going to make his look seem…