Two colors opposite each other on the color wheel are considered to be
What is Complementary
To achieve pastel purple haircolor, you must lift the guest hair to this stage of decolorization
What is Level 10 Pale Yellow
The color that helps minimize red tones
What is Green
Visible Line or band between two haircolors
What is Line of Demarcation
The soft, elastic, thick, inner layer of the hair that is responsible for 90% of the hairs weight.
What is The Cortex
The medulla is composed of these cells
What is Round
This is the melanin that produces brown to black color
What is Eumelanin
Secondary and primary colors in equal proportions create
What is Tertiary
Another name for a reverse haircolor
What is Tint Back
The natural hair color levels are arranged on a scale from this
What is 1-10
Demi-permanent haircolor does this
What is deposit but not lift
A unit of measurement used to identify the lightness or darkness of a color
What is a Level
What is Permanent
Intensity is described as the colors
What is Appearance
The ability for the hair to absorb moisture
What is Porosity
Negatively charged particles
What is Electrons
Inorganic chemistry is the study of substances that do not contain this
What is Carbon
A technique that first requires lightening the hair in order to deposit a toner or haircolor to achieve a desired look
What is a Double-Process Haircolor
A non-ammonia haircolor application that is used to add shine and or tone to the hair
What is a Glaze
The type of porosity in which the cuticle scales are laying flat, making the amount of haircolor absorbed minimal
What is Resistant
A mixture in which small particles of a substance that are dispensed thorough a gas or liquid and if left undisturbed, the particles separate
What is Suspensions
The smallest chemical part of an element
What is Atom
The system that provides an understanding of color relationships
What is the Law of Color
The strongest and only cool primary color
What is Blue
The process of penetrating gray or very resistant hair to allow for better penetration is known as this
What is Pre-Softening