irritating vs moisturizing

irritating

adj
  • Stimulating or exciting a response. 

  • Causing irritation, annoyance or pain. 

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 irritating and moisturizing occurred in a corpus of books? (source: Google Ngram Viewer )