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With sesquiterpenes, the therapeutic effects of each oil need to be considered individually, as one cannot generalize as easily as with most other chemical families. We can say that oils high in sesquiterpenes can be anti-inflammatory, antibacterial, antiseptic, analgesic, and antispasmodic. It is believed that even a small amount of a sesquiterpenes in carrier oil can have a pronounced therapeutic effect.

Antifungal - Geranium, Myrrh, Patchouli, Spikenard, Vetiver
Analgesic - Black Pepper, German chamomile, Ginger, Guava Leaf, Myrrh, Ylang Ylang, Yarrow
Antiseptic - Black Pepper, Cedarwood (Juniperus), Geranium, German Chamomile, Ginger, Myrrh, Opopanax, Patchouli, Vetiver, Ylang Ylang, Yarrow
Anti-inflammatory - Black Pepper, German Chamomile, Geranium, Ginger, Myrrh, Opopanax, Patchouli, Spikenard, Ylang Ylang, Yarrow
Antispasmodic - Geranium, German Chamomile, Ginger, Guava Leaf, Opopanax, Spikenard, Yarrow
Antibacterial - Black Pepper, Cedarwood (Juniperus), Geranium, German Chamomile, Myrrh, Patchouli, Spikenard
Cicatrisant - German Chamomile, Geranium, Myrrh, Patchouli
Cooling - Geranium, German Chamomile, Patchouli, Vetiver, Ylang Ylang
Grounding - Cedarwood, German Chamomile, Patchouli, Vetiver, Spikenard, Opopanax
Hypotensive (lowers high blood pressure) - Ylang Ylang
Sedative - German Chamomile, Myrrh, Patchouli, Spikenard, Vetiver, Ylang Ylang
Warming - Black Pepper, Ginger, Myrrh

Sesquiterpenes ProductsSafety

Oils high in Sesquiterpenes do not generally have safety concerns. Black Pepper can be irritating for those with sensitive skin and some additional sesquiterpenols can be skin irritants if oxidized.  According to Tisserand, beta-elemene found in Myrrh has shown antiangiogenic action, meaning it suppresses new blood vessels from forming. This may be useful in prventing tumor growth. However, it may also suppress fetal growth, therefore, should be avoided during pregnancy.

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