cleansing vs detergent

cleansing

adj
  • That cleanses. 

noun
  • The process of removing dirt, toxins etc. 

detergent

adj
  • Synonym of cleansing. 

noun
  • Any non-soap cleaning agent, especially a synthetic surfactant. 

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