Farnesol

Sesquiterpene alcohol with a mild floral scent, a component of neroli and jasmine oils. Listed among the 26 EU fragrance allergens.

Evidence by route

Topical application

Weak evidence. In vitro data, open-label studies, or expert consensus.

Appears on the mandatory label declaration at 0.001%+ in leave-on cosmetics. Positive patch-test frequency is around 0.5–1%.

Irritation potential

Medium

Allergen risk

High

Pregnancy

Caution

For sensitive skin

Sensitive skin and people with known perfume allergies should avoid products containing farnesol.

Suitable for

Normal

Use with caution

SensitiveDry

Is Farnesol safe during pregnancy?

Farnesol should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.

What skin types is Farnesol for?

Farnesol suits: normal. Use with caution in: sensitive, dry.

Can Farnesol irritate the skin?

Farnesol has moderate irritation potential. Sensitive skin may show a transient reaction that usually settles with adaptation.

Can Farnesol cause an allergic reaction?

Farnesol has high allergen potential. Perform a patch test on the inner forearm 24 hours before facial application.