Can you tell me as many types of hair treatments available at the hairdressers?

i need some help. i am a boy and the extent of my knowledge in this area if very thin. i have been given the task of creating a database for a hairdressers and i have no idea on what they offer in the way of treatments. all i know is cut, dye and perm! please can you tell me anymore that are available and the average time span of each





thank you.Can you tell me as many types of hair treatments available at the hairdressers?
highlights max: 1,5h


extension


hair masks around half an hour


hairdo from 0,5h to 2,0h