The ingredient, explained
Vanillin
Vanillin has published research relevant to the stated experimental context.
Ingredient guide
What it is and what it does
Vanillin
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Masking
- Reduces or conceals the formula's underlying odour or taste.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Laboratory research
The read-across approach predicted weak skin sensitization potential for vanillin in hypothetical 0.5% shower gel and face cream uses.
What this does not tell us
Prediction based on analogue selection and new-approach testing is not a clinical allergy prevalence study or universal safety conclusion.
Sources for this summary. PubMed 37453556 ↗
Research review checked Oct 1, 2026
Selective exact-identity review of 2 supplied local candidates and the targeted primary-source search recorded below. Bounded review, not a systematic search.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Laboratory research
Skin sensitisation prediction using read-across, an illustrative next generation risk assessment (NGRA) case study for vanillin. ↗
Regulatory toxicology and pharmacology : RTP · 2023
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
Registry identity
Vanillin
- INCI name on ingredient lists
- VANILLIN
- CAS registry number
- 121-33-5
- EC number
- 204-465-2
Other recorded names (1)
- vanillinum
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026