Cassia is the bolder, darker cousin of cinnamon — richer, less sweet, with a warmth that spreads through a room. Steam-distilled from the bark, it arrives undiluted and single-botanical, woody-resinous and complex where cinnamon bark is bright and familiar.
Cassia has been traded along ancient spice routes for thousands of years, and the essential oil carries that history: warm, drier, and more sustained than sweet cinnamon. Used sparingly in a diffuser, it creates an immediately welcoming, cozy atmosphere; blended with sweet orange and clove it's a classic winter warmer.
In natural perfumery, cassia adds a warm spice backbone that holds a blend together, and diluted at very low concentrations into a carrier oil, it's a traditional addition to a gentle warming massage.
Cassia is a dermal sensitizer — dilute to 0.5% or less for any skin application, patch test first, and avoid during pregnancy and with children without professional guidance.
Browse the full Essential Oil collection, or the Diffuser Essential Oil range.