This exclusive training is intended for the best trichologists and allows them to teach courses, be paid for their teaching, and sell products to their trained students. Places are limited. To enroll in this stage, participants must have completed a minimum of 100 treatments and have a certified technician in trichology diploma and a certified trichologist diploma. A specialist diploma in trichology will be awarded to them upon completion of the training. The price of products used in the course sessions are to be determined.