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Particles in an atom with no charge
Electrons
The deepest layer of the hair shaft
Medulla
The smallest chemical part of an element
Atom
A product that ranges from 0 to 6.9 on the pH scale
Acid
Neutralize acids or raises the pH; create less odor than ammonia
Alkanolamines
this test will determine if an individual is allergic to haircolor products containing aniline derivative dye molecules
Predisposition Test (Patch Test)
Medical term for gray hair
Canities
Positively charged particles in the nucleus
Protons
A substance that can dissolve another substance
Solvent
Red, yellow and blue are
Primary colors
The chemistry that studies living or once living organism that contain carbon
Organic compound
Two or more atoms chemically joined that retain their chemical and physical properties
Molecule
The rapid oxidation of a substance. Producing light and heat
Combustion
The chemistry that studies not living or never living organisms that do not contain carbon
Inorganic chemistry
The balance of color is the
Tone (Hue)
Matter occurs in the form of
solid, liquid or gas
A product that ranges from 7.1 to 14 on the pH Scale
Alkaline
The simplest form of matter that cannot be broken down into a simpler substance
Element
Suspending one liquid into a second liquid, although they do not mix together
Emulsion
A gas made up of nitrogen and hydrogen that has a strong odor
Ammonia
Small compounds found in permanent haircolor, also known as uncolored dye precursors
Aniline Derivatives
Stable mixture of two or more solids, liquids, gases, or a combination of these
Solutions
A mixture in which small particles of a substance are dispersed, and if left undisturbed, likely to settle and separate
Suspension
The oxidizing agent manufactured in volumes or percentages that is added to haircolor or lightener to assist in the development process:
Developer Hydrogen Perixode)
The chemical reaction that occurs when oxygen is released from a substance and helps to develop hair color
Oxidation