For contril during haircutting, the hair is parted into areas called _______________.
Sections
Haircolour levels are arranged on a scale from ___ to ____.
1 to 10
The chemical texture service that loosens overly curly hair or changes tightly curly or coil hair into loose curls or waves is _____________.
Curl reforming
Pin curls formed in a shaping should begin at the ________.
Open end
Who can diagnose a scalp/ skin disease?
a dermatologist
The straight lines used to build weight and create one-length and low-elevation haircuts are ___________.
Horizontal Lines
Haircolour tones can be described as?
Warm, cool, and neutral
The layer of hair that provides the strength and elasticity of human hair is the ____________
Cortex
The most commonly shaped pin curl bases are rectangular, triangular, square, and _________.
arc based
The two basic types of wrapping the hair around a perm rod are the spiral and _________.
croquignole perm technique
Which guideline is used when creating layers or a graduated haircut?
a traveling guideline
Which colour will help balance orange tones in the hair?
blue
The technique of wrapping hair at an angle of 90 degrees or perpendicular to its base section is ______________.
Half off base placement
When using rollers one and a half turns will create a __________.
a wave
What is a colouring technique that requires two separate procedures is which the hair is pre-lightened before the depositing colour is applied?
Double process application
The technique of combing the hair away from its natural falling position, rather than straight out from the head, is called _______________.
Overdirection
Which type of haircolour lightens and deposits colour at the same time and in a single process because it is more alkaline than demipermanent colours and is usually mixed with a higher-volume developer.
Permanent haircolour
Relaxers are ___________ and can literally melt or dissolve hair if used incorrectly.
Extremely Alkaline
Which type of curl is usually recommended along the front or facial hairline to prevent breaks or splits in the finished hairstyle?
Triangular based pin curl
An open comedo is known as a __________.
black head
When using the clipper-over-comb technique, the amount of hair that is removed is determined by the __________________.
Angle of the comb
To cover unpigmented hair on a salt-and-pepper head, the colour formulation should be ___________ than the natural level.
One to two levels lighter
The chemical bonds that join amino acids together are called _____ bonds.
Peptide bonds
Marcel waving
The ______ muscle is the small, involuntary muscle in the base of the hair follicle.
arrector pili muscle