The natural pH of hair is between:
What is
4.5 and 5.5
A _____ perm wrap is wrapped perpendicular to the length of the rod, in overlapping concentric layers.
What is
croquignole?
Base placement is determined by the:
What is
angle at which the hair is wrapped
In permanent waving, the size of the curl is determined by the:
What is size of the rod
What is used to protect the skin and scalp during hair relaxing?
What is
base cream
Chemical texture procedures involve changing the structure of the hair:
What is both physically and chemically
True acid waves have a pH between:
What is
4.5 and 7.0
The basic permanent wrap is also known as a:
What is
straight set wrap
For _____ placement, the hair is wrapped at a 45-degree angle beyond perpendicular to its base section, and the rod is positioned on its base.
What is on-base
The most common type of perm rod is the:
What is
concave rod
Guanidine hydroxide relaxers are advertised and sold as _____ relaxers.
What is
no-lye
Compounds consisting of carbon, oxygen, hydrogen, nitrogen, and sulfur are:
What is
amino acids
A pH of _____ is neutral for hair.
What is
5
Which wrapping pattern uses pie-shaped base sections?
What is
curvature permanent wrap
In half off-base placement, the hair is wrapped at an angle of:
What is
90 degrees or perpendicular to the base section
Which end paper technique uses one end paper folded in half over the hair ends like an envelope?
What is
bookend wrap
The neutralizer used with thio relaxers is usually:
What is
hydrogen peroxide
Cold wave is another term for a(n) _____ wave.
What is alkaline
An acid-balanced wave has a pH of:
What is 7.0
With the _____, base sections are offset from each other row by row.
What is
bricklay permanent wrap
The base direction can be:
What is
horizontal, vertical, or diagonal
How long is a typical soft bender rod?
What is
12 inches
Hydroxide relaxers remove one atom of sulfur from a disulfide bond, converting it into a _____ bond.
What is lanthionine
What kind of waves are sulfites used in?
What is
low-pH
Salt bonds are broken by:
What is
changes in pH
The double-rod wrap technique is especially effective on _____ hair.
What is
long
The _____ uses zigzag partings to divide base areas.
What is
weave technique
Which method of wrapping provides the most control over the hair ends?
What is
double flat wrap
The application for a virgin relaxer starts _____ away from the scalp.
What is
1/4-inch to 1/2-inch
A _____ is a thio-based chemical service that reformats curly and wavy hair into looser and larger curls and waves.
What is
soft curl permanent