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
At high concentrations can inhibit melanogenesis (relevant for claims but not a safety hazard); no CMR classification
Regulatory Flags
Frequently Asked Questions
Is Protocatechuic Acid safe in cosmetics?
At high concentrations can inhibit melanogenesis (relevant for claims but not a safety hazard); no CMR classification The EU classifies Protocatechuic Acid as "permitted". Safety rating: GOOD.
Is Protocatechuic Acid allowed in the EU?
Protocatechuic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Protocatechuic Acid do in cosmetics?
Protocatechuic Acid functions as: Antioxidant, Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 99-50-3.
What is the Margin of Safety for Protocatechuic Acid?
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 Protocatechuic Acid compliance across multiple jurisdictions:
Related Ingredients
Is Protocatechuic Acid in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Protocatechuic Acid in your formulation.