Compound Monograph
Citronellol
Citronellol is a monoterpene alcohol with a rose-like scent, common in rose and geranium oils.
Classification
Citronellol is a monoterpene alcohol, part of the terpenoids class. The largest class of plant compounds, built from five-carbon isoprene units — the essential-oil aromatics, resins, bitter principles, saponins, and plant sterols.
Where Does It Come From? (6)
Citronellol is a naturally occurring monoterpene alcohol, found in Rose, Rose geranium, Citronella grass and 3 other sources. It is well tolerated orally (low toxicity).
Research & Evidence
Citronellol is a monoterpene alcohol with a soft, rose-like scent and is one of the main fragrance compounds of rose and geranium oils. It is widely used in perfumery and cosmetics and also appears in some insect-repellent formulations. It occurs naturally as two enantiomers.
Toxicity & Safety
Citronellol is broadly used in fragrances and is generally well tolerated, but it is a recognised contact allergen and is one of the fragrance substances that must be declared on cosmetic labels in some jurisdictions. A detailed isolated-compound toxicology in humans is limited.