P-Anisic Acid

p-Anisic acid is an aromatic carboxylic acid used in cosmetics as a preservative booster and mild masking agent, working best in acidic systems. It's included to extend product freshness and strengthen how well primary preservatives perform.
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Ingredient Snapshot

Overview
A preservative booster that helps keep formulas fresh for longer.
Category
Preservative
Type
Preservative

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Supports product longevity and helps keep formulas feeling fresh, with a side benefit of softening unwanted scent notes in acidic environments. Helps maintain overall product quality over time.

Uses In Skincare & Cosmetics

Common in low-pH serums, gels, and cleansers to reinforce preservation systems. Also used in toners to help keep formulas stable during everyday use.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally considered safe at typical cosmetic concentrations. As an acid in low-pH formulas, it can cause mild, transient irritation on sensitive or compromised skin; patch test if prone to sensitivity.

Is P-Anisic Acid a Good Ingredient?

Rated Good because it reliably boosts preservation in low-pH formulas and works effectively at low use levels. It's typically well tolerated, though very sensitive skin may notice mild stinging in acidic products, which is what keeps it from a higher rating.

Products with P-Anisic Acid

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