1
2
3
4
100
pH ranges from 0 to 6.9

Acid

100

A gas made up of nitrogen and hydrogen that has a strong odor 

Ammonia

100

Also known as the contributing pigment, is the warm or cool tone seen within the predominant haircolor

Undertone

100

Also known as hue, classified on the color wheel from warm to cool

Tone

200

The rapid oxidation of a substance, producing light and heat

combustion

200

Stable mixture of 2 or more solids, liquids, gases or a combination of these

Solution

200

The oxidizing agent manufactured in volumes or percentage that is added to color or lightener to assist in development

Developer

200

A support tool for the law of color

Color Wheel

300

Medical term for grey hair 

Canities

300

Two or more atoms chemically joined that retain their chemical and physical properties

Molecule

300

How many levels of hair are there on the level system?

10

300

Red yellow and blue are the ______ colors

Primary

400

The deepest layer of the hair shaft

Medulla

400

What does pH stand for 

Potential hydrogen

400

Used to measure the degree of lightness or darkness of a color

Level

400

Is blue a warm or cool color?

Cool

500

pH ranges from 7.1 to 14

Alkaline

500

Studies the matter that contains carbon and living or at one time was alive 

Organic Chemistry

500

A test done to determine if your guest is allergic to haircolor

Predisposition test

500

created by mixing 2 primary colors 

Secondary colors