3,4-Dihydroxybenzoic Acid (Protocatechuic Acid)
INCI: 3,4-DIHYDROXYBENZOIC ACID
Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
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Expert Verdict
GHS hazards at bulk concentrations include skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Catechol moiety can undergo oxidation to quinone; assess pro-oxidant potential in formulation.
Regulatory Flags
Frequently Asked Questions
Is 3,4-Dihydroxybenzoic Acid (Protocatechuic Acid) safe in cosmetics?
GHS hazards at bulk concentrations include skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Catechol moiety can undergo oxidation to quinone; assess pro-oxidant potential in formulation. The EU classifies 3,4-Dihydroxybenzoic Acid (Protocatechuic Acid) as "permitted". Safety rating: GOOD.
Is 3,4-Dihydroxybenzoic Acid (Protocatechuic Acid) allowed in the EU?
3,4-Dihydroxybenzoic Acid (Protocatechuic Acid) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does 3,4-Dihydroxybenzoic Acid (Protocatechuic Acid) do in cosmetics?
3,4-Dihydroxybenzoic Acid (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 3,4-Dihydroxybenzoic Acid (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
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Related Ingredients
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