1
is applying a small amount of product on the skin to check for sensitivity and or an allergic reaction to a product/ chemical
PREDISPOSITION TEST / PATCH TEST
a substance used in, or produced by, the process of chemistry
CHEMICAL
the degree of lightness or darkness of a color
LEVEL
a gas with a strong odor, made up of nitrogen and hydrogen
AMMONIA
a concentrated hair color used to increase the ability of a hair color to neutralize unwanted warmth of a color
DRABBER
created by mixing a primary color with a neighboring secondary color
TRETIARY COLORS
the innermost layer of hair composed of round cells; hair missing this is fine or fragile.
MEDULLA
the science that deals with the composition, structures, and properties of matter and how matter changes under different chemical conditions
CHEMISTRY
particles in an atom that have neutral charge
NEUTRON
a support tool for the Law of Color to visually show how all colors are created
COLOR WHEEL
determines if the hair color is absorbing and processing evenly
PROCESSING STRAND TEST
created by mixing a primary and a secondary color that are located opposite of each other on the color wheel
COMPLEMENTARY COLORS
created by mixing two primary colors in equal proportions
SECENDARY COLORS
a system that provides an understanding of color relationships.
LAW OF COLOR
have definite chemical and physical properties
PURE SUBSTANCE
the chemical reaction that occurs when oxygen is released from a substance, this reaction assists in the development of color on the hair
OXIDATION
the three basic colors, - red, yellow, blue
PRIMARY COLORS
the coloring matter that provides us with natural color of our hair and skin
MELANIN
the study of not living or never living organisms that do not contain carbon
INORGANIC CHEMISTRY
is the balance of color
TONE / HUE
the simplest form of matter. It cannot be broken down into simpler substance.
ELEMENT
produces yellow to red pigments in the hair
PHEOMELANIN
ANILINE DERIVATIVES
EUMELANIN
the middle layer of the hair, made up of elongated cells containing melanin and keratin
CORTEX