This unit assesses the learner’s ability to demonstrate knowledge of trichology through a written assignment (open book, unsupervised).

The assignment covers:

O     Three layers of skin

O     Five sub-layers of the epidermis

O     Functions of skin

O     Effects of chemicals on skin

O     Functions of the hair

O     Types of body hair

O     Parts of the hair shaft

O     Structures of the hair root

O     Characteristics of hair

O     Hair shaft conditions

O     Stages of hair growth

O     Process of keratinisation

Learners are assessed on their understanding of trichology principles and their application to professional hair and scalp care.

Skill Level: Beginner