Trans-Anethole
Trans-Anethole is a naturally occurring organic compound found in anise and fennel. It is primarily used in cosmetics and personal care products for its sweet, licorice-like scent. While it provides a pleasant aroma, it does not offer direct benefits to the skin or hair.
NoneFragrance ingredientEvidence: Medium
RiskModerate 1.5 / 4
Sensitization i2.5 / 4
Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.
Irritation i1.5 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
- May cause skin sensitization in some individuals
- Potential for irritation at higher concentrations
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