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
Endogenous amino acid (urea cycle intermediate) used in cosmetics for skin-conditioning and antistatic properties; safe, well-tolerated, and compatible with sensitive skin formulations
Regulatory Flags
Frequently Asked Questions
Is L-Ornithine safe in cosmetics?
Endogenous amino acid (urea cycle intermediate) used in cosmetics for skin-conditioning and antistatic properties; safe, well-tolerated, and compatible with sensitive skin formulations The EU classifies L-Ornithine as "permitted". Safety rating: EXCELLENT.
Is L-Ornithine allowed in the EU?
L-Ornithine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does L-Ornithine do in cosmetics?
L-Ornithine functions as: Skin conditioning, Antistatic. It is classified as a cosmetic ingredient in our database. CAS number: 70-26-8.
What is the Margin of Safety for L-Ornithine?
adequate 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 L-Ornithine compliance across multiple jurisdictions:
Related Ingredients
Is L-Ornithine 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 L-Ornithine in your formulation.