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Octadecanoic Acid
Also known as stearic acid, a saturated long-chain fatty acid commonly used as an emulsifier, thickening agent, and surfactant co-agent in cleaning products. Generally considered safe with low toxicity.
Mineral or nutrientUpdated Dec 13, 2025
Health score+1.0
-5Good5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Minimal skin irritation at high concentrations, low potential for sensitization
Benefits
Emulsifier, surfactant co-agent, biodegradable, low toxicity