Explain why a thorough knowledge of haircoloring is needed for a successful cosmetology career.

Explain how the hair's structure, texture, density, and porosity affect hair color.

Define the role of levels and tones in formulating hair color.

Explain primary, secondary, and tertiary colors and their contributions to tone and intensity in the hair.

Compare and describe the different categories of hair color.

Detail the roles of hydrogen peroxide and ammonia in a hair color formula.

Explain the role and action of hair lighteners.

Detail the steps for an effective hair color consultation.

List the five key questions to ask yourself when formulating a hair color.

Outline the steps of hair color and lightening applications, from preliminary strand tests to a single process, and a double process with lightener.

Describe the techniques for highlighting.

Explain the special haircoloring techniques for gray hair.

Describe common haircoloring challenges and potential solutions.

Describe safety precautions to follow during the hair color process.