English edit

Etymology edit

hair +‎ wash

Noun edit

hairwash (plural hairwashes)

  1. The act of washing the hair on a person's head.
    • 2014, Pavit Kaur, Stolen Years: A Memoir of Simranjit Singh Mann’s Imprisonment:
      I had a hairwash today and the barber came and cut my nails.
  2. A preparation used for washing the hair on a person's head: shampoo or similar.
    • 2012, Judith Griffin, Mother Nature's Herbal, page 27:
      Chokecherry bark [] A hairwash to strengthen the hair and encourage growth.