Farnesol

AKA: 4602-84-0, 3, 7, 11-Trimethyl-2, 6, 10-dodecatrien-1-ol, Farnesyl alcohol, FCI 119a, 2, 10-Dodecatrien-1-ol, Trimethyl dodecatrienol, FEMA No. 2478, Nikkosome, 10-dodecatrienol
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Synthetic
Fragrance
Not Clean
OriginFarnesol is a sesquiterpene alcohol derived from isoprenoid compounds found in plants like citronella and lemongrass. It is synthesized through catalytic condensation and reduction of farnesyl precursors or extracted and purified from natural plant sources.
Farnesol is a signaling molecule that is derived from farnesyl diphosphate, an intermediate in the isoprenoid/cholesterol biosynthetic pathway. Farnesol is a 15 carbon isoprenoid alcohol is the corresponding dephosphorylated form of the isoprenoid farnesyl diphosphate. Farnesol has a potential role in controlling the degradation of 3-hydroxy-3-methylglutaryl coenzyme A (HMGCoA) reductase (EC 1.1.1.34, NADPH-hydroxymethylglutaryl-CoA reductase). The enzyme is stabilized under conditions of cellular sterol depletion (e.g. statin-treated cells) and rapidly degraded in sterol-loaded cells. In mammalian cells, this enhanced degradation is dependent on the presence of both a sterol and a non-sterol derived from the isoprenoid pathway; farnesol, the dephosphorylated form of farnesyl diphosphate, can function as the non-sterol component. Farnesol has been shown to activate the farnesoid receptor (FXR), a nuclear receptor that forms a functional heterodimer with RXR. Thus, dephosphorylation of
Solubility Soluble in three volumes of 70% alcohol
Formula
C15H26O
Mol. Weight
222.37
CAS #
4602-84-0
State
Farnesol is a colorless liquid with a delicate floral odor. (NTP, 1992)
Skin Types
●all-skin-types
Best For
General
Allergen Warning
⚠️ EU Fragrance Allergen
Functions
Fragrance
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Controls Odor
Adds Fragrance
Neutralizes odor
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
3
CIR
Insufficient
Pregnancy
—
Regulatory Status
USAunder review
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR