Hair Structure
Identifying Natural Hair color and tone
Color Theory
Types of Haircolor
Haircolor Applications
100
Texture
What is the diameter of an individual hair strand
100
Eumelanin
What is the melanin that lends black and brown colors to hair
100
The Law of Color
What is a system for understanding color relationships
100
Temporary Haircolor
What is a nonpermanent color whose large pigment molecules prevent penetration of the cuticle layer, allowing only a coating action that may be removed by shampooing
100
Preliminary Strand Test
What is determines how the hair will react to the color formula and how long the formula should be left on the hair
200
Density
What is the number of hairs per square inch, can range from thin to thick
200
Pheomelanin
What is the melanin that gives blond and red colors to hair
200
Primary Colors
What is pure or fundamental colors (red, yellow, and blue) that cannot be created by combining other colors
200
Semipermanent haircolor
What is a no-lift deposit-only nonoxidation haircolor that is not mixed with peroxide and is formulated to last through several shampoos, depending on the hair’s porosity
200
Patch Test
What is to identify an allergy in a client, the U.S. Food, Drug, and Cosmetic Act requires that a patch test be given twenty-four to forty-eight hours prior to each application of an aniline haircolor
300
Porosity
What is the hair’s ability to absorb moisture
300
Contributing Pigment
What is the varying degrees of warmth exposed during a permanent color or lightening process
300
Secondary Colors
What is is a color obtained by mixing equal parts of two primary colors
300
Demipermanent haircolor
What is a no-lift deposit-only color, is formulated to deposit but not lighten color. These are able to deposit without lifting because they are usually less alkaline than permanent colors and are mixed with a low-volume developer
300
Temporary Haircolor
What is apply the color and work around the entire head
400
Cuticle
What is the outermost layer of the hair
400
Level System
What is the unit of measurement used to identify the lightness or darkness of a color
400
Tertiary Colors
What is an intermediate color achieved by mixing a secondary color and it’s neighboring primary color on the color wheel in equal amounts
400
Permanent haircolor
What is lighten and deposit color at the same time and in a single process
400
Semi/demipermanent Haircolor
What is outline the partings with color. Take ½ inch partings, and apply color to the new growth or scalp area in all four sections. Once all four sections have been completed, apply to the rest of the hair shaft to the ends until the hair is fully saturated
500
Cortex
What is the middle layer and gives the hair the majority of its strength and elasticity
500
Gray Hair
What is hair that has lost its pigment and is normally associated with aging
500
Complementary Colors
What are primary and secondary colors positioned directly opposite each other on the color wheel
500
Aniline Derivatives
What is dye precursors, small, uncolored dyes that combine with hydrogen peroxide to form larger, permanent dye molecules within the cortex
500
Virgin tint to darken partially gray hair
What is start where the hair is usually grayest on the scalp to the porous ends
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