Castoreum

At a glance

Castoreum is a natural animalic raw material harvested from the castor sacs of beavers, giving a warm, leathery, smoky‑musky base note used in leather accords.

Origin
Synthesized in laboratories; historically derived from beaver glands, now rarely used
Extraction
Chemical synthesis
Chemical family
phenolic compounds (phenols, benzoates, lactones)
Profile
Warm, leathery, slightly smoky animalic scent
IFRA status
Regulated, category-dependent IFRA limits typical of synthetic animalics
Cost tier
Medium
● drafted · last checked 2026-08-22