Specimen No. 0108
ClearedDerivedcleaning agentsurfactant
Castile Soap
castile soap · dr bronners · pure castile
Plant-oil based soap made without synthetic detergents. Biodegradable, free of synthetic preservatives and fragrances, and effective for cleaning. One of the cleanest surfactant options.
high confidence
Researched April 18, 2026Specimen 0108Castile Soap
Concerns
- Alkaline pH can leave residue on certain surfaces (hard water scaling)
- May dry skin with very frequent use — follow with moisturizer
- Highly concentrated — dilution required for most uses
Documented benefits
✓ plant-derived✓ naturally-sourced
Commonly found in
Multi-purpose cleanerBody washShampooDish soapPet wash
Sources & references
Last researched: April 18, 2026
Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.
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