Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Generally low toxicity; the magnesium salt of propionic acid; potential mild skin sensitization at high concentrations is rare. Synthetic origin; antimicrobial action primarily against molds and some bacteria; magnesium counterion provides good water solubility; one of the simpler organic acid salt preservatives
Regulatory Flags
Frequently Asked Questions
Is Magnesium Propionate safe in cosmetics?
Generally low toxicity; the magnesium salt of propionic acid; potential mild skin sensitization at high concentrations is rare. Synthetic origin; antimicrobial action primarily against molds and some bacteria; magnesium counterion provides good water solubility; one of the simpler organic acid salt preservatives The EU classifies Magnesium Propionate as "permitted". Safety rating: MODERATE.
Is Magnesium Propionate allowed in the EU?
Magnesium Propionate EU regulatory status: permitted. Maximum allowed concentration: 2%. This is based on EU Regulation 1223/2009 and its amendments.
What does Magnesium Propionate do in cosmetics?
Magnesium Propionate functions as: Preservative - protects cosmetic products from microbial spoilage. It is classified as a cosmetic ingredient in our database. CAS number: 557-27-7.
What is the Margin of Safety for Magnesium Propionate?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Magnesium Propionate compliance across multiple jurisdictions:
Related Ingredients
Is Magnesium Propionate in Your Products?
Scan any product label with Piro โ our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free โAnalyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Magnesium Propionate in your formulation.