P-Anisic acid is a naturally occurring phenolic acid (found in anise) used in cosmetics primarily as a preservative, antimicrobial, and skin-conditioning agent. It is often included in 'natural' preservative systems and may offer mild antioxidant and brightening properties.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Uncommon | Transient redness or stinging, typically at higher concentrations. |
Allergic contact dermatitis | Rare | Sensitization reported in a small number of individuals. |
Eye irritation | Rare | On accidental contact with raw material. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.