Medulla is the ______ layer of the hair composed of round cells; hair missing the medulla is fine or fragile
Intermost
Intensity is the hair ability to absorb water
False
A support tool for the law of color to visually show how all colors are created
Color wheel
Science that deals with the composition,structure, and properties of matter and how matter changes under different chemical conditions
Chemistry
What is also known as a patch test
Predisposition test
______ produces brown to black pigments in the hair
Eumelanin
The cortex is the middle layer of hair
True
Created by mixing a primary colors with a neighborhood secondary color
Tertiary colors
A substance used in,or produced by, the process of chemistry
Chemical
What is also known as periodic strand test
Processing strand test
Pheomelanin produces _____ to _____ pigments in the hair
Yellow;red
Melanin is also known as pigment
True
The thre basic colors
Primary colors
The study of living or previously living organisms containing carbon
Organic chemistry
Created by mixing a primary and a secondary color
Complementary colors
____ is the degree of lightness or darkness of a color
Level
Element is the simplest form of matter
True
Created by mixing two primary colors in equal proportion
Secondary colors
The study of not living or never living organisms that do not contain carbon
Inorganic chemistry
What is also known as hue
Tone
Canities is the medical term for _____hair; the result of a gradual ______ in melanin
Gray;decline
The level system Is used to determine how high a chemical product should be
False
A system that provides an understanding of color relationships
Law of color
Substance that has mass and occupies space;occurs in the form of solid, liquid, or gas
Matter
What is also known as contributing pigment
Undertone