Chemistry
HAIR STRUCTURE & ANATOMY
COLOR THEORY
HAIRCOLOR TYPES
SAFETY & TESTING
100

This term describes two or more atoms chemically joined that still keep their properties.

What is a molecule?

100

This is the deepest inner layer of the hair shaft.

What is the medulla?

100

These colors cannot be created by mixing other colors.

What are primary colors?

100

This type of haircolor uses an alkalizing agent to both lighten and deposit color.

What is permanent haircolor?

100

This test checks for allergic reactions before a haircolor service

What is a predisposition test?

200

When something rapidly reacts with oxygen and releases heat and light, this process is happening.

What is combustion?

200

This pigment gives hair its natural color and lives inside the hair shaft.

What is melanin?

200

This describes how strong, bright, or dull a color appears.

What is intensity?

200

This type of color coats the hair and washes out quickly.

What is temporary haircolor?

200

This test determines how hair will react to chemicals before a full service.

What is a strand test?

300

This term describes a stable mixture where substances are evenly blended together.

What is a solution?

300

This is the outermost protective layer of the hair that must be lifted for color to work.

What is the cuticle?

300

This pigment creates red and yellow tones in the hair

What is pheomelanin?

300

This color lasts longer than semi-permanent but does not lighten natural hair.

What is demi-permanent haircolor?

300

This test helps determine if the hair is strong enough to handle the service.

What is a strand test?

400

When oxygen is released during a chemical process to help color develop, this reaction is taking place.

What is oxidation?

400

This part of the hair determines strength, elasticity, and absorbs haircolor.

What is the cortex?

400

This term refers to the warm or cool tone seen underneath the main hair color.

What is undertone?

400

This haircolor slightly penetrates the cuticle and fades gradually.

What is semi-permanent haircolor?

400

This is leftover chemical matter that remains on the hair if not properly removed.

What is residue?

500

This word describes anything that physically exists as a solid, liquid, or gas.

What is matter?

500

When hair loses its pigment over time, this medical term describes that condition.

What is canities?

500

This rule explains why opposite colors cancel each other out on the color wheel.

What is the Law of Complementary Colors?

500

This ingredient is responsible for opening the cuticle in permanent haircolor.

What is an alkalizing agent?

500

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

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