Name the 3 layers of the hair.

Explain the process of of keratinization.

What are polypeptide chains?

List and describe the 3 types of side bonds (How are each broken)Which are weak and strong.

Name and describe the 2 types of melanin responsible for hair color.

Name and describe the two types of hair and their locations on the body.

What are the 3 phases of the hair growth cycle? What occurs during those phases.

What is the reasons for normal daily hair loss?

What is the most common hair types of abnormal hair loss?

What are the only 2 approved hair loss treatments?

Name the two main types of dandruff. Can either be treated in the salon?

Which hair and scalp disorders cannot be treated in the salon?

What 4 factors about the hair should be considered in a hair analysis?

What is the name of the Yellow area on the diagram?

What is the name of the purple area?

What is the name of the Orange area?

What is the name of the blue area?

What is the name of the red area?