Fine, hard white or mottled soap made with olive oil and soda.
卡斯蒂利亚肥皂（一种用橄榄油和苏打制成的又细又硬的白色或杂色肥皂）
Example sentencesExamples
Our soaps are made using a traditional Castile soap formula from the 19th century.
Because of its mildness, Castile soap became the soap of choice for babies and those with sensitive skin.
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.
This produced what was probably the first white hard soap: Jabon de Castilla, or Castile soap, also known to pharmacists as Sapo hispaniensis or Sapo castilliensis.
Definition of Castile soap in US English:
Castile soap
noun
Fine, hard white or mottled soap made with olive oil and sodium hydroxide.
卡斯蒂利亚肥皂（一种用橄榄油和苏打制成的又细又硬的白色或杂色肥皂）
Example sentencesExamples
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.
This produced what was probably the first white hard soap: Jabon de Castilla, or Castile soap, also known to pharmacists as Sapo hispaniensis or Sapo castilliensis.
Our soaps are made using a traditional Castile soap formula from the 19th century.
Because of its mildness, Castile soap became the soap of choice for babies and those with sensitive skin.