Pyrrolidone Carboxylic Acid (PCA)
INCI: 2-PYRROLIDONE-5-CARBOXYLIC ACID
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
Essentially no concerns. Endogenous skin component. CIR Panel reaffirmed safety in 2019 reassessment. Sodium PCA is used in 1,289 formulations
Frequently Asked Questions
Is Pyrrolidone Carboxylic Acid (PCA) safe in cosmetics?
Essentially no concerns. Endogenous skin component. CIR Panel reaffirmed safety in 2019 reassessment. Sodium PCA is used in 1,289 formulations The EU classifies Pyrrolidone Carboxylic Acid (PCA) as "permitted". Safety rating: EXCELLENT.
Is Pyrrolidone Carboxylic Acid (PCA) allowed in the EU?
Pyrrolidone Carboxylic Acid (PCA) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Pyrrolidone Carboxylic Acid (PCA) do in cosmetics?
Pyrrolidone Carboxylic Acid (PCA) functions as: Humectant, moisturizing agent. It is classified as a cosmetic ingredient in our database. CAS number: 98-79-3 (L-form); 149-87-1 (DL-form).
What is the Margin of Safety for Pyrrolidone Carboxylic Acid (PCA)?
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 Pyrrolidone Carboxylic Acid (PCA) compliance across multiple jurisdictions:
Related Ingredients
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