aesthetician vs cosmetician

aesthetician

noun
  • A beautician; somebody employed to provide beauty treatments such as manicures and facials. 

  • One who studies aesthetics; a student of art or beauty. 

cosmetician

noun
  • A person skilled at applying cosmetics. 

  • A person who manufactures or sells cosmetics. 

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