FARNESOL
Moderate
CAS Number: 4602-84-0
About FARNESOL
A natural fragrance found in many essential oils — smells floral and sweet, but it's a recognised skin allergen requiring mandatory labeling in the EU.
Detailed Analysis
Farnesol (C₁₅H₂₆O) is a sesquiterpene alcohol naturally occurring in essential oils of rose, lemongrass, and chamomile. EU Annex III (entry 82) fragrance allergen requiring declaration above 0.001% in leave-on and 0.01% in rinse-off products. Has antibacterial properties useful in deodorants.
Skin Benefits
- ✓ Antibacterial properties useful in deodorants
- ✓ Pleasant natural fragrance
Known Concerns
- ⚠ EU-listed fragrance allergen (Annex III/82)
- ⚠ Can cause contact dermatitis in sensitized individuals
- ⚠ Must be declared on labels above threshold
Safety Score
Moderate
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
PubChem
National Library of Medicine compound data
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Download LuxSenseThis information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.