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PPG stands for polypropylene glycol, and this ingredient combines PPG with an ether of a fatty alcohol known as buty alcohol. It has multiple functions in cosmetic products, ranging from hair conditioning agent to surfactant (cleansing agent), and emulsifier. This ingredient is always synthetic.
See fatty alcohol
About the Experts
Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:
The Paula's Choice Research Team is dedicated to busting beauty myths and providing expert advice that solves your skincare frustrations so you can have the best skin of your life!