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 expe
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
Named a Best Book of 2020 by NPR and Vanity Fair One of Smithsonian's Ten Best Science Books of 2020 “A searching and vital explication of germ theory, social
Skin Revolution is where skincare meets science and self-love – to empower you to look good, feel great, and glow in your melanin-rich skin. ‘I wish I had a
For Estheticians understanding the science of different ingredient types is crucial. This book breaks down and explains the biological chemistry concepts of com