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Hair and Skin Testing Tutorials
7 training videos
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How to do a porosity and elasticity test
2 minutes
Learn the essential porosity and elasticity test process with Tracey Sajno. Porosity and elasticity tests determine the condition of the cuticle and cortex.
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.
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 skin testing
4 minutes
Tracey Sajno’s lecture covers the essential skin test process. Testing is a necessary and vital part of any hairdressing business.
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.