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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.
4 minutes
Explore how to test the development of a perm in this foundation curl development test MHD step-by-step.
8 minutes
Understand the basics of performing a-perm test curl in this foundation MHD perming video tutorial.
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.
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.