beauty product vs superficial

beauty product

noun
  • An item of cosmetics; a material or device for the purpose of enhancing physical attractiveness. 

superficial

noun
  • A surface detail. 

adj
  • Not thorough, deep, or complete; concerned only with the obvious or apparent. 

  • Lacking depth of character or understanding; lacking substance or significance. 

  • Existing, occurring, or located on the surface. 

  • Appearing to be true or real only until examined more closely. 

  • Situated or occurring on the skin or immediately beneath it. 

  • Two-dimensional; drawn on a flat surface. 

  • Denoting a quantity of a material expressed in terms of area covered rather than linear dimension or volume. 

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