L-Ornithine

INCI: ORNITHINE

CAS Number
70-26-8
Function
Skin conditioning, Antistatic
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No FDA cosmetic restrictions; endogenous amino acid with established safety in food and supplement use

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
none

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

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Concern Level: None

Regulatory Flags

amino-acid skin-conditioning antistatic endogenous

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.

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