facial mask vs persona

facial mask

noun
  • An application of mud, clay, etc. to the skin of the face for cosmetic purposes. 

persona

noun
  • The mask or appearance one presents to the world. 

  • A social role. 

  • A character played by an actor. 

  • An imaginary person representing a particular type of client or customer, considered when designing products and services that will appeal to them. 

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