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Propylene Glycol
A synthetic organic compound used as a solvent, humectant, and preservative in food, cosmetics, and pharmaceuticals.
Mineral or nutrientUpdated Feb 20, 2026
Health score-1.0
-5Poor5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Irritation to skin and eyes in sensitive individuals, potential allergic sensitization, ingestion toxicity rare but possible in large amounts
Benefits
Moisturizing agent, solvent for active ingredients, preservative enhancing product stability
References
Waters containing Propylene Glycol
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