emollient vs moisturizing

emollient

noun
  • Something which softens or lubricates the skin; moisturizer. 

  • Anything soothing the mind, or that makes something more acceptable. 

adj
  • Moisturizing. 

  • Soothing or mollifying. 

moisturizing

noun
  • The act of making something moist; especially, of a cosmetic, making the skin or hair less dry. 

adj
  • That moisturizes. 

How often have the words emollient and moisturizing occurred in a corpus of books? (source: Google Ngram Viewer )