Ingredient Directory
Low ConcernVegan

p-Anisic Acid

4-Methoxybenzoic acid

Safety Flags
Safety Notes

Naturally occurring in anise and fennel; generally well tolerated; often used in combination with other natural antimicrobials (e.g., levulinic acid) for broad-spectrum preservation; low sensitization potential.

Function & Common Use

Function

Preservative, Antimicrobial, Fragrance

Category

Preservatives

Common In

Natural cosmetics, skincare serums, cleansers; often combined with levulinic acid as natural preservative system

Origin

Natural/Synthetic

Concentration Limits

India (CDSCO)

None

EU Cosmetics Reg.

None (GMP; used as multifunctional ingredient)

US FDA (21 CFR)

None

Korea (MFDS)

None

Format restriction: None

Baby restriction: No

Pregnancy: No

IFRA: No

Frequently Asked Questions

Is p-Anisic Acid safe to use in skincare?

p-Anisic Acid has a Low concern rating from The Clean Sheet. Naturally occurring in anise and fennel; generally well tolerated; often used in combination with other natural antimicrobials (e.g., levulinic acid) for broad-spectrum preservation; low sensitization potential.

Is p-Anisic Acid allowed in India?

p-Anisic Acid is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is None.

What is p-Anisic Acid used for in cosmetics?

p-Anisic Acid functions as: Preservative, Antimicrobial, Fragrance. It is commonly found in: Natural cosmetics, skincare serums, cleansers; often combined with levulinic acid as natural preservative system.

Can p-Anisic Acid cause an allergic reaction?

Yes. p-Anisic Acid has an allergen flag (No). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is p-Anisic Acid safe for babies?

p-Anisic Acid has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.

TCS Assessment
Low Concern
Data Confidence
Medium
Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.

Regulatory Status

India (CDSCO)
Permitted
EU
Permitted
US FDA
Permitted
Korea (MFDS)
Permitted
Australia (TGA)
Permitted
Canada (NHPID)
Permitted

EU Annex: None (used as preservative under general cosmetic safety; not specifically listed in Annex V)

Identifiers

CAS100-09-4
EC202-818-4

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