Constituent · Oxygenated monoterpene
geraniol
A rosy, sweet alcohol central to geranium, rose and palmarosa; a known fragrance allergen for some skins.
Essential oils richest in geraniol
Measured relative composition (GC peak-area %) pooled across published GC-MS samples — median, typical range (middle 50%) and the maximum seen.
| Oil | Median | Typical range | Max | Samples |
|---|---|---|---|---|
| Palmarosa | 76.6% | 47.83%–82.25% | 87.9% | 3 |
| Citronella | 22.11% | 16.28%–39.1% | 43.68% | 13 |
| Rose | 18.2% | 8.33%–23.36% | 29.2% | 39 |
| Geranium | 13.4% | 10.23%–17.61% | 38.7% | 47 |
| Helichrysum | 6.32% | 3.25%–6.56% | 6.8% | 3 |
| Lemongrass | 5.27% | 2.37%–6.65% | 20.86% | 28 |
| Rosemary | 3.11% | 1.08%–4.7% | 6.71% | 8 |
| Petitgrain | 3.09% | 3.09%–3.09% | 3.09% | 1 |
| Fennel | 2.9% | 2.05%–3.75% | 4.6% | 2 |
| Vitex | 2.87% | 2.87%–2.87% | 2.87% | 1 |
| Dill | 2.66% | 2.49%–2.82% | 2.98% | 2 |
| Melissa | 2.28% | 0.94%–4.78% | 5.03% | 24 |
| Lemon myrtle | 2.08% | 2.08%–2.08% | 2.08% | 1 |
| Ravintsara | 1.75% | 1.63%–1.88% | 2% | 2 |
| Myrtle | 1.74% | 0.95%–2.09% | 3.63% | 15 |
| Cardamom | 1.49% | 1.4%–1.67% | 13% | 22 |
| Coriander | 1.24% | 0.45%–1.98% | 2.79% | 14 |
| Basil | 1.07% | 0.7%–1.5% | 2.1% | 28 |
| Carrot seed | 1.07% | 0.65%–1.47% | 2.91% | 6 |
| Mountain savory | 0.79% | 0.73%–0.87% | 1.04% | 8 |
Oils in our library are linked above — open any profile for its full composition, safety panel and the research behind it.
Related constituents
Other oxygenated monoterpene compounds across the oils.
Figures are GC peak-area percentages pooled across published GC-MS samples, not concentrations, and describe chemistry — not health effects. How this is built →