Chemistry
On the pH Scale, acids range from:
0 – 6.9
Created by mixing two primary colors in equal proportions:
secondary color
Will determine if the haircolor is absorbing and processing evenly:
processing strand test
A concentrated haircolor that is added to deepen, brighten, or create a more vivid look:
intensifier
Coloring some hair strands darker than their natural color:
lowlighting
A range of 7.1 to 14 on the pH Scale indicates a/an:
alkaline
The coloring material that provides a person with their natural hair and skin color:
melanin
The balance of color; also known as hue:
tone
Diffuse natural and/or artificial haircolors:
lighteners
Utilizing a single application of haircolor to either lighten the natural haircolor or to deposit color:
single process haircolor
The study of living or previously living organisms containing carbon:
organic chemistry
The middle layer of the hair, made up of elongated cells containing melanin and keratin:
cortex
Describes the degree of lightness or darkness of a color:
level
The technique of removing color from the hair:
decolorization
Temporary haircolor that requires no mixing or chemical reaction:
non-oxidative haircolor
The simplest form of matter that cannot be broken down into a simpler substance:
element
Produces brown to black pigments in the hair:
eumelanin
Applying a small amount of product to the skin to check for sensitivity / allergic reaction:
predisposition test
Applying a demi- or semi-permanent haircolor to hair for the purpose of adding shine and/or to refresh the color:
glaze
These are also known as Gradual Dyes because the color builds up on the hair after repeated uses and are not compatible with professional chemicals:
metallic dyes
May be used in place of ammonia because they create less odor and neutralize acids or raise the pH:
alkanolamines
This is the visible line or band between two different haircolors:
line of demarcation
Technique that allows for better haircolor penetration by softening the cuticle of primarily resistant or gray hair:
presoftening
A concentrated haircolor that is used to increase the ability of a haircolor to neutralize the unwanted warmth of a haircolor:
drabber
A deposit-only haircolor that penetrates into the cuticle layer:
semi-permanent haircolor