Chapter 21 Haircoloring Flashcards
The layer of the hair of that provides strength and elasticity is the…
Cortex
In individual hair strands hair texture is determined by the _____of the hair.
Diameter
If the cuticle is lifted allowing the hair to take color quickly the hair is said to have…
High porosity
Hair color levels are arranged on a scale from…
1 to 10
Hair color tones can be described as…
Warm neutral or cool
Colors that are described as Sandy or tan are considered…
Natural tones
Which color will help minimize orange tones in the hair?
Blue
Pure or fundamental colors that cannot be achieved by mixture are called?
Primary colors
The strongest and only cool primary color is?
Blue
Red added to the blue based colors will cause them to appear?
Lighter
Equal proportions of primary colors will produce what color?
Brown
A primary and secondary color positioned opposite each other on the color wheel are considered?
Complementary colors
Temporary color pigment molecules do not penetrate because they are too?
Large
Semi permanent hair color on average should last how long?
4 to 6 weeks
Which type of hair color penetrates the hair shaft and is formulated to deposit but not lift color?
Demi permanent hair color
Which type of hair color lightens and deposits color at the same time and is single process because it is more alkaline than no lift-deposit only colors and it’s usually mixed with a higher volume developer?
Permanent haircolor
To provide maximum lift in a one process color service most high lift colors require what volume peroxide?
40
During the decolorization process natural hair can go through as many as how many stages?
10
Overlapping color can cause breakage and create a sign of roots or a?
Line of demarcation
The three forms of hair lighteners are?
Oil powder and cream
Selected strands are picked up from the narrow section of hair with a zigzag motion of the comb and lightener is applied to the strands. What is this called?
Weaving
For clients with 80 to 100% gray which hair color is generally the most flattering?
A blonde shade
To cover unpigmented hair in a salt and pepper client the color formulation should be?
Two levels lighter than the natural level
The process of pre-treating gray or very resistant hair to allow for better penetration is known as?
Pre-softening
On a lightener retouch the new growth is lightened at what point in the service?
First
To produce a hair color that looks natural how many primary colors must be present?
Three
The best way to obtain pale blonde results is to use…
Double process Blonding