Sine Qua Non Salons, Chicago's best Dualist Advanced Hairstylist Training Program has an opening :) Join one of the best Non-Departmentalized advanced training programs in Chicago. Sine Qua Non has been training hairstylists in Chicago since 1993. In our advanced training program you will be trained as a Dualist-becoming an expert in both color and cut. \\- Elevate your career and your skills to the top tier of the industry. \\- Attend weekly advanced classes working towards completion of Sine Qua Non's training curriculum.Create an account to see the full posting, access our search engine, and more.