Charles Nessler’s heat permanent waving machine is best suited for what length of hair?
Long
What is another name for Zonal perms?
Partial perms
In addition to tension and perm solution, what do acid perms use to perform the processing action?
heat
The size of base and the ___ at which the hair is held while wrapping determines the tool positions
angle
Which base control is most commonly used during a perm service?
half off base
Which phase of perming is the most important?
Both physical and chemical ar equally important
The croquignole technique creates what result?
Undulating waves and curls
Which perm tool determines the size and shape of the new curl texture?
perm rod
The method of wrapping from ends to base is known as:
Croquigole
True or false? Today’s acid perms are in a pH range of 5.5-6.9
False, it’s 6.9-7.2
What year was the first cold wave created?
1938
What term refers to the way perm tools are arranged around the clients head while wrapping?
perm pattern
What structure is broken by processing (waving) lotion to change the hair from straight to a wavy or curl formation?
dissulfide bonds
The four basic tool positions in perming are on base half on half off base, under directed and……
off base
Hair should be wrapped without tension when using..
alkaline perms
Another name for the croquignole method of wrapping hair is the…..
Overlap method
As added texture expands the form
the illusion of shorter length is created
True or false? Alkaline perms have a strong curl patterns?
True
Water left in end papers after rinsing the perm solution will dilute the neutralizer causing?
weakens the curl formation
What do low or no thio perms use as a reducing agent?
thioglycolic acid
What was the active ingredient used in the first cold wave?
Thioglycolate acid
Positioning texture in one or more specific areas or zones of the head, or along only a certain portion of the hairstrand is called
texture placement
Alkaline perms have a pH of?
8.0-9.5
What are the chemical steps of perming
Apply perm solution, blotting, rinsing, and lastly neutralizer
True or false? the pH level for a neutralizer can range from 2.5-7
True