General guidelines suggest that this strength be used for fine, tinted, or lightened hair
What is mild
Base relaxers require you to base where?
entire scalp
When performing a relaxer retouch, product is applied to this area
What is the new growth only
Before giving a relaxer service to overly curly hair, the cosmetologist must judge the hair's texture, porosity, and _____________
What is elasticity
When applying virgin sodium hydroxide relaxer, the processing cream is applied to these two places last
What is the scalp and ends
Keratin-Based Smoothing Treatments are also called
Brazilian keratin treatments
This should be done by stretching the hair to see how fast the natural curls are being removed:
What is strand testing?
Causes less skin irritation than other hydroxide relaxers, good for sensitive scalp
What is Guanidine hydroxide relaxer
Ammonium sulfate, ammonium sulfite, and ammonium bisulfite are sometimes used as the active ingredient in ______.
low-pH relaxers