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Tones can be described as cool, warm, or:

A color achieved by mixing equal parts of a secondary color and its neighboring primary color on the color wheel is a:

The darkest hair colors in the level system are identified as being a level:

Dye precursors that combine with hydrogen peroxide to form larger, permanent dye molecules are called:

Process by which oxygen is released

The classifications of nonoxidative haircolor are demipermanent and permanent.

Pheomelanin is the melanin that gives blond and red colors hair.

The hair type with a large diameter that can take longer to process hair color is:

The system used by colorists to analyze the lightness or darkness of a hair color is:

Which of the following is NOT one of the most common reasons for claims denials?