This term describes two or more atoms chemically joined that still keep their properties.
What is a molecule?
This is the deepest inner layer of the hair shaft.
What is the medulla?
These colors cannot be created by mixing other colors.
What are primary colors?
This type of haircolor uses an alkalizing agent to both lighten and deposit color.
What is permanent haircolor?
This test checks for allergic reactions before a haircolor service
What is a predisposition test?
When something rapidly reacts with oxygen and releases heat and light, this process is happening.
What is combustion?
This pigment gives hair its natural color and lives inside the hair shaft.
What is melanin?
This describes how strong, bright, or dull a color appears.
What is intensity?
This type of color coats the hair and washes out quickly.
What is temporary haircolor?
This test determines how hair will react to chemicals before a full service.
What is a strand test?
This term describes a stable mixture where substances are evenly blended together.
What is a solution?
This is the outermost protective layer of the hair that must be lifted for color to work.
What is the cuticle?
This pigment creates red and yellow tones in the hair
What is pheomelanin?
This color lasts longer than semi-permanent but does not lighten natural hair.
What is demi-permanent haircolor?
This test helps determine if the hair is strong enough to handle the service.
What is a strand test?
When oxygen is released during a chemical process to help color develop, this reaction is taking place.
What is oxidation?
This part of the hair determines strength, elasticity, and absorbs haircolor.
What is the cortex?
This term refers to the warm or cool tone seen underneath the main hair color.
What is undertone?
This haircolor slightly penetrates the cuticle and fades gradually.
What is semi-permanent haircolor?
This is leftover chemical matter that remains on the hair if not properly removed.
What is residue?
This word describes anything that physically exists as a solid, liquid, or gas.
What is matter?
When hair loses its pigment over time, this medical term describes that condition.
What is canities?
This rule explains why opposite colors cancel each other out on the color wheel.
What is the Law of Complementary Colors?
This ingredient is responsible for opening the cuticle in permanent haircolor.
What is an alkalizing agent?
This is the main benefit of performing a strand test before coloring.
Determine the integrity of the hair and if their desired results are achievable
Will the color or lightener process evenly?
Gives the opportunity to try a different formula