Hair and Skin Testing Tutorials

7 training videos

Pull test for hair extension services step-by-step

3 minutes

Familiarize yourself with how to perform a pull test as part of a hair extension consultation in this foundation MHD tutorial with Inanch Emir.


Curl development test step-by-step

4 minutes

Explore how to test the development of a perm in this foundation curl development test MHD step-by-step.


Pre-perm test curl tutorial

8 minutes

Understand the basics of performing a-perm test curl in this foundation MHD perming video tutorial.


How to do a colour test

3 minutes

Explore how to perform a colour test in this essential MHD testing tutorial with Tracey Sajno. A colour test is performed during colour development to check the target colour and development time.


How to do an incompatibility test

3 minutes

Learn how to perform an incompatibility test in the essential MHD testing video with Tracey Sajno. An incompatibility test checks for the presence of metallic salts, before a chemical service.