This botanical profile is part of the Star Naturals Herbal Library.
Castile Soap
Traditionally made from Olea europaea (olive oil)
Historical / Folk Use
Castile soap originated in the Castile region of Spain, where it was traditionally made from olive oil, with modern variations incorporating other plant-derived oils.
Valued for its gentle, plant-based cleansing properties, it became widely used for skin, fabric, and household washing. Its simple formulation and mild nature made it suitable for daily use, in a variety of applications.
Energetics
Traditionally described as:
• Neutral and cleansing
• Gentle and balancing
• Light and purifying
• Clarifying to surface
• Non-stripping
• Softly refreshing
How Star Naturals
uses this botanical
Castile soap serves as the gentle cleansing base in our skin-care formulations. It provides effective cleansing while maintaining a balanced, comfortable skin feel and supporting the integrity of the botanical ingredients within the blend.
Found in these Star Naturals formulations:
Research & Resources
The research summaries below highlight findings from scientific studies on compounds found in this botanical.
They are provided for educational purposes and do not represent claims about the effects of Star Naturals products.
Study 1:
Dermatology sources describe Castile soap as a mild plant-derived cleanser that can be used on the face when diluted, particularly in individuals who prefer gentle formulations.
Study 2:
Historical records describe Castile soap as being commonly used in parts of Europe. Traditionally made with olive oil, it was used for general body cleansing, hand washing, and bathing. Its plant-oil base was traditionally regarded to be milder on the skin than animal-fat soaps.