Twenty years ago, the majority of consumers had never heard the words Dehydration, Keratinization, and Exfoliation. Classification of skin types was then divided into a Dry, Oily, or Combination categories. Just a short time ago, Para-Medical Estheticians and Custom Blended Products were also rare.
Para-Medical Esthetician: Medically trained in skin structure and function, anatomy and physiology, and cosmetic chemistry
Through the past twenty years, greater knowledge has come into play revealing many misconceptions as well as knowledge or information. It was impossible for everyone to fit into one of the three skin types: Read full story
Sage Advice Skin Care