Chemistry
The simplest form of matter, cannot be broken down into a simpler form
Element
A concentrated haircolor that is added to deepen, brighten, or create a more vivid look
intensifier
The visible line or band between two different haircolors
Line of demarcation
Will determine if the haircolor is absorbing and processing evenly.
Processing Strand Test
The middle layer of the hair, made up of elongated cells containing melanin and keratin
Cortex
7.1-14 on pH scale
Alkaline
Diffuse natural and/or artificial haircolors
Lighteners
A deposit only haircolor that penetrates into the cuticle layer
Semi-Permanent
Technique that allows for better haircolor penetration by softening the cuticle of resistant or grey hair
pre-softening
Created by mixing two primary colors in equal proportions
Secondary Color
What does acid range from on the pH scale?
0-6.9
Applying a semi-permanent or demi-permanent haircolor to the hair for the purpose of adding shine and/or to refresh the color
Glaze
AKA gradual dyes, because the color builds up on the hair after repeated uses and are not compatible with professional chemicals
Metallic Dyes
****BONUS*****
Temporary haircolor that requires no mixing or chemical reaction
Non-Oxidative Haircolor
The balance of color: also known as Hue
Tone
May be used in place of ammonia because they create less odor and neutralize acids or raise the pH
Alkanolamines
The technique of removing color from the hair
Decolorization
Utilizing a single application of haircolor to either lighten or darken the natural haircolor or to deposit haircolor.
Describes the degree of lightness or darkness of a color
Level
The coloring material that provides a person with their natural hair and skin color
Melanin
The study of living or previously living organisms containing carbon
organic chemistry
A concentrated haircolor that is used to increase the ability of a haircolor to neutralize the unwanted warmth of a haircolor
Drabber
Coloring some hair strands darker than their natural color
Low-Lighting
Applying a small amount of product to the skin to check for sensitivity and or allergic reaction
Predisposition Test
Produces brown to black pigments in the hair
eumelanin