do you need an appointment?

I would highly recommend it so you're not sitting there wondering why you're not getting called up.

Getting an appointment helps avoid waiting. waiting is not long though. They're good @ Floyd's

No you don't, wait times tend to be around 20 minutes on average

Don't need one if you don't mind waiting.

You have several options. Wait for just anyone. Do a 30 min call ahead and again get who is available or set an appointment with a stylist of your choice.