Core Learning Track
Learn what's in your hair care — and why it's there.
Written by Dr. Bre Hayward
Ingredient literacy changes how you buy, how you use and how you talk about hair care. This track teaches the concepts — ingredient categories, formulation roles and how to read an ingredient list — and connects them to the Ingredient Library and Botanical Research Library, which remain your reference resources.
What You'll Learn
The major ingredient categories and their roles
What oils, butters and botanicals actually do
How humectants and proteins work
How cleansing systems remove buildup
How to read and interpret ingredient information
Where to research any ingredient further
Lessons
5 lessons · 5 with interactive learning
Related Phase Theory Resources
Continue Learning
Protective Styles & Hair Protection
Protective only works when the hair is actually protected.