Anatomy
The deepest layer, consisting of round cells
Medulla
A substance that has mass and occupies space
Matter
The industry accepted term for predisposition test
Patch Test
Also known as hue is the balance of color
Tone
Hair Color that creates physical change to the hair; deposit only hair color; lasts 4-6 washes
The deepest layer, consisting of round cells
Medulla
The smallest chemical part of an element, which all matter consists of.
Atom
Used as a oxidizing agent, also known as hydrogen peroxide or catalyst.
Developer
A system that provides the understanding of color relationships
Law of Color
Hair color that penetrates the cuticle and partially into the cortex, mixed with a low volume of developer
Demi-Permanent
Cortex
The science that deals with the composition, structures, and properties of matter and how matter changes under different chemical conditions.
Chemistry
A system used to measure the degree of lightness to darkness of a color
Levels
The three basic starting colors by which all other colors are created
Primary Colors
Red, Yellow, Blue
Hair color that coats the hair surface, covering only cuticle.
Temporary
Produces brown to black pigments in the hair
Eumelanin
Studies the matter that contains carbon and is living or at one time was alive.
Organic Chemistry
this test will determine if the haircolor is absorbing or lifting evenly during the service.
Processing Strand Test/ Periodic Strand Test
Metallic Dyes + Natural Hair Dye
Permanent
The combination of eumelanin and pheomelanin inside one cell is known as
The simplest form of matter and cannot be broken down into a simpler substance.
Element
An application of hair color to new growth only
Retouch
Colors that are made by mixing primary colors with an secondary color.
Tertiary Colors
Red-Orange
Blue-Green
Blue-Violet
Hair Color that creates chemical change to the hair: requires a developer; longer lasting results.
Oxidative