Cinnamomum Cassia Oil ●
TL;DR. This ingredient is used primarily as a fragrance component, adding a warm, spicy scent and sometimes a mild sensory warming effect. It is not a core skin-conditioning active.
What does Cinnamomum Cassia Oil do in a cosmetic formula?
This ingredient is used primarily as a fragrance component, adding a warm, spicy scent and sometimes a mild sensory warming effect. It is not a core skin-conditioning active.
Is Cinnamomum Cassia Oil clean?
From a clean beauty perspective, it is acceptable with caveats because it contains recognized fragrance allergens and has relatively high sensitization potential. Brands typically use very low levels and follow IFRA limits, especially in leave-on products.
Is Cinnamomum Cassia Oil sustainable?
This material is plant-derived and generally biodegradable, with sourcing tied to agricultural practices, crop yield, and distillation energy use. Steam distillation is solvent-light, but responsible sourcing matters because bark, leaf, or twig harvesting can affect long-term supply quality.
Is Cinnamomum Cassia Oil COSMOS-approved?
It can be permitted under COSMOS-natural and COSMOS-organic when produced from approved natural raw materials by compliant physical processes and when allergen disclosure requirements are met. Its Green Chemistry profile is mixed: renewable feedstock and good biodegradability are positives, while dermal reactivity keeps it from being a fully low-concern material.
How does Cinnamomum Cassia Oil work chemically?
This material is a volatile botanical oil dominated by a small lipophilic aromatic aldehyde, with smaller amounts of terpenes and related aromatic compounds that drive its strong odor profile. In finished products it is usually used at trace fragrance levels, often well below 0.1% in leave-ons depending on IFRA category, and it should be protected from air, heat, and light because oxidation can change odor and increase sensitization potential.
Last updated 2026-08-31