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fragrance

Vanillin

Watch if sensitive·Moderate evidence

A synthetic or extracted aromatic aldehyde that mimics vanilla scent. It is a known contact allergen in people with fragrance sensitivities, and oxidation over time can increase allergenicity, making it a watch-if-sensitive ingredient in cosmetics.

Worth knowing

  • EU-labelled fragrance allergen

Questions

Does vanillin cause skin irritation?
Vanillin is a fragrance ingredient that smells like vanilla. Published safety reviews note no widespread concerns about skin irritation at cosmetic levels, though people sensitive to fragrances may prefer to avoid it.
Why is vanillin in beauty products?
Brands use vanillin to add fragrance or flavor to products. It can be derived naturally from vanilla beans or synthesized in a lab.

Products with Vanillin

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.