True and false plus chapter 20
Chemical textured services
Process of chemically alternating the natural wave pattern
Spiral and croqulgnole
Two methods of wrapping the hair around the perm rods
Indothermic
Waves that are activated by outside heat are..
Hydrogen ion
Active ingredient in hydroxide relaxers
ATG
Active ingredient or reducing agent in alkaline perm
False
Cortex layer of the hair structure is responsible for hairs length and texture
True
Hair that has been treated with a hydroxide relaxer is unfit for perm waving and will not curl
Over processed
Hair that has too many broken disulified bonds are..
Dry
Hydrogen bonds are easily broken by water or heat and are reformed when the hair is..
Ianthion bond
Hydroxide relaxer that removes sulfur atoms converting it into
No base relaxers
Hydroxide relaxers dont require protective base
Hydrogen
In perm waving the reduction reaction is due to the addition of
True
Japanese thermal straightening uses a combination of thio relaxer with a flat iron
Chemical hair relaxer
Process of rearranging the structure of curly hair into smoother form
Base direction
The angle at which a perm rod is positioned on the head is refered to as..
Additional tension and stress
Caution should be used with on base rod placement to avoid..
Soften and swell the shaft
Chemical hair texture temp. Raise the pH of tge hair in order to...
Disulified bonds
Chemical side bonds formed when two sulfur type chains form together
Piggy back
Double rod wrap technique also known as..
Speeds up processing
Exothermic waves create a chemical reaction that heats the wave solution and ..
Wrapping method
In perm waving the shape and type of curl are determined by the shape and type of rod and the..
Base sections
In perm waving, panels of hair are divided into smaller sub sections called..
Ends to scalp
In the croqulgnole method of wrapping the hair is wound..
False
Keratin strengthen treatments work by breaking side bonds
GMTG
Main active ingredient in true acid and acid balanced waving lotion
7.8-8.2
Most acid waves used in salons have a pH of..
9.0-9.6
Most alkaline perm waves have a pH between..
Thioglycolic acids
Most common reducing agent used are
False
On base placement minimizes stress and tension on the hair
Reduction
Once in the cortex the wave solution breaks the disulified bond through chemical reaction called
True
Perm wave size of curl is determined by the rod size
Metal hydroxide relaxers
Relaxers contain one component used without mixing
Guanadine hydroxide relaxers
Relaxers contain two components that must be mixed immediately
Potassium hydroxide relaxer
Relaxers often marketed as no mix no lye relaxers
Straight rods
Rods that are equal in diameter
False
Salt bonds can be broken by water where as disulified bonds are changes in the pH
False
Single flat wrap uses one end paper folded like an envelope
Lye relaxer
Sodium hydroxide relaxers are also known as
High alkaline
Structuring process of course resistant hair with a strong compact cuticle layer requires
False
The curvature perm wrap uses zig zag parting to divide base areas
True
The most common neutralizer is hydrogen
Thio neutralization
The process that stops perm wave and builds hair into new form
0-14
The range of numbers used in a pH scale
True
The strength of any perm wave is based on the concentration of its reducing agent
True
The term pH is an abbreviation used for potential hydrogen
Double flat wrap
Wrapping technique that provides the most control over the hair ends..
True
Alkaline waves are also known as cold waves
Activator
All acid waves have three components consisting of perm waving lotion
Panels
All perm wraps begin by sectioning the hair into..
False
Ammonia free waves use an ingredient other than ATG such as cysteamine or mercaptamine
Bricklay perm
Base sections are offset from each other to prevent splits