One thing that isn't exactly to do with what you asked but worth mentioning, is to ask for no razoring and thinning shears. It is a personal choice but most people find razoring makes curly hair look frizzy and stops it clumping properly. You probably already knew that but just thought I'd mention. Also this thread might give you some ideas if you haven't seen it -

What Should I Tell My Stylist?
UK based wavy

Mostly waves, but curls and straight bits too!
Fine to medium, high porosity, medium density, very low elasticity
Highlights damage (growing it out), seems to like protein and need lots of moisture.

Cleanse - CJDF, trying out low poos ; Co wash- Uk chemist brands, Urtekram Rose or Aloe, Hairveda Amala Cream Rinse; RO - varies, Tigi Moisture Maniac, Desert Essence Coconut ; Leave in - Keracare natural textures; Sealant - argan oil
Trying out new things, still looking.