Colors with a predominance of red are considered to be these tones
What is warm
100
The cuticle of the hair protects the interior and contributes this much to the overall strength of the hair
What is 20%
100
Melanin that gives black and brown color to the hair
What is eumelanin
100
These are the four categories of haircolor
What is temporary, semipermanent, demipermanent, permanent
100
The tint formula in permanent haircolor contains uncolored dye __________, which are small compounds that can diffuse into the hair shaft
What is precursors
200
Colors with a predominance of blue are considered to be these tones
What is cool
200
The cortex or middle layer of the hair gives strength and elasticity and contributes about this much to the overall strength of the hair
What is 80%
200
Melanin found in red hair is called this
What is pheomelanin
200
This product is used to open the cuticle of the hair fiber so that tint can penetrate
What is alkalizing agent
200
This is an oxidizing agent that, when mixed with an oxidative haircolor, supplies necessary oxygen gas to develop color molecules and create change in hair color
What is developer
300
Colors achieved by mixing equal parts of two primary colors
What is secondary
300
This characteristic of the individual hair strands determines hair texture
What is diameter
300
The method used to analyze the lightness or darkness of hair color
What is the level system
300
This type of color has the larger pigment molecules
What is temporary
300
This is the measure of the potential oxidation of varying strengths of hydrogen peroxide
What is volume
400
Primary and secondary colors that are opposite each other on the color wheel
What are complementary
400
This refers to the number of hairs per square inch
What is density
400
The strength of a color tone is referred to as this
What is intensity
400
Hair color that partially penetrates the hair shaft and stains the cuticle layer, slowly fading with each shampoo
What is semipermanent
400
This is an example of natural or vegetable haircolor, obtained from the leaves of bark of plants
What is henna
500
A system for understanding the relationships of color
What is the law of color
500
This is the ability for the hair to absorb moisture
What is porosity
500
This is referred to as the predominant tonality of an existing color
What is base color
500
Hair color that is ideal for refreshing faded color, depositing tonal changes without lift, corrective coloring, and reverse highlighting (lowlighting)