Definition of Castile soap in English:

Share this entry

Castile soap

noun

Fine, hard white or mottled soap made with olive oil and sodium hydroxide.
Example sentences
  • Often based on pure Castile soap, natural shampoos are usually combined with high-quality herbs and plant oils that leave your hair and scalp healthier.
  • Because of its mildness, Castile soap became the soap of choice for babies and those with sensitive skin.
  • Our soaps are made using a traditional Castile soap formula from the 19th century.

Origin

Late Middle English: named after Castile in Spain, where it was originally made.

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.