Educate and empower yourself! Dr. Hannah Sivak earned her PhD in Biological Sciences and has worked as a scientist for over 45 years. She brings all of her expertise in botany, molecular biology, and biochemistry to the complex process of product formulation and has now written this book to encapsulate and share her knowledge.

This book will help you understand how your skin functions and changes. It will help you comprehend skin care ingredient lists, so you know what each ingredient does or doesn’t do for you. It will provide you with a scientific understanding of skin care so you know what’s possible, what’s not, and when to ignore the marketing altogether. Quit buying ineffective products!

With The Scientific Revolution in Skin Care, you can take skin care into your own hands and feel confident that you know what you’re doing.

• Excellent choice for skin care enthusiasts!

• Perfect for at-home/DIY formulators or ready-made product junkies !

• Beginner/intermediate/expert-level readers will all benefit from this book!

Why a second edition?

The basics remain the same, but science advances. We know more about how stem cells in the skin and scalp live or die. New active ingredients became available, and scientists have found out the mechanism of action of old ones.