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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...