Synthetic fragrance
2-METHYL-4-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)-2-BUTEN-1-OL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Often known as Polysantol, this molecule recreates a sandalwood scent. It carries IFRA restrictions and sensitization potential, so it is usually safe at low fragrance levels but offers no direct skin benefit.
Skin benefits
- Provides a creamy sandalwood fragrance note
- Stable synthetic alternative to natural sandalwood oil
- Reduces pressure on threatened Santalum species
Known concerns
- Listed among IFRA-restricted fragrance materials
- Documented potential to cause skin sensitization
- Must be declared if above EU fragrance allergen thresholds
- Limited benefit for leave-on skincare beyond scent
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.