Curl development test step-by-stepWith Charmaine Piche
Familiarize yourself with when and how to perform a curl development test in this foundation MHD perming step-by-step. A hairstylist or barber must be able to identify when a perm solution has developed long enough. This crucial test ensures the desired result is visible before moving onto the next steps of a perming service.
Members can also download our Curl Development Test fact sheet.