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

An encyclopedic collection of key scientists and the tools and concepts they developed that transformed our understanding of the physical world. Many are famili

UPDATED 40TH ANNIVERSARY EDITION WITH 2020 PREFACE An examination of the Scientific Revolution that shows how the mechanistic world view of modern science has s

Leslie Kenton exposes the half-truths and deceptions of the beauty business. She describes the processes that lead to skin ageing – from sunlight and cosmetic