Coumaric Acid

INCI: COUMARIC ACID

CAS Number
501-98-4
Function
antioxidant, skin conditioning, skin brightening
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically restricted; used as cosmetic active under general safety provisions

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

p-Coumaric acid is a naturally occurring phenolic acid and potent tyrosinase inhibitor with antimelanogenic, antioxidant, and anti-inflammatory activity, increasingly used in skin-brightening and photoprotective formulations with good literature support.

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Concern Level: Low

Regulatory Flags

p-coumaric-acid tyrosinase-inhibitor skin-brightening antioxidant phenolic-acid natural

Frequently Asked Questions

Is Coumaric Acid safe in cosmetics?

p-Coumaric acid is a naturally occurring phenolic acid and potent tyrosinase inhibitor with antimelanogenic, antioxidant, and anti-inflammatory activity, increasingly used in skin-brightening and photoprotective formulations with good literature support. The EU classifies Coumaric Acid as "permitted". Safety rating: GOOD.

Is Coumaric Acid allowed in the EU?

Coumaric Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Coumaric Acid do in cosmetics?

Coumaric Acid functions as: antioxidant, skin conditioning, skin brightening. It is classified as a cosmetic ingredient in our database. CAS number: 501-98-4.

What is the Margin of Safety for Coumaric 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.

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