Antioxidant ingredient

Cinnamomum Cassia Bark Extract

An extract of the bark of Chinese cinnamon (Cinnamomum cassia, CAS 84961-46-6), containing cinnamaldehyde, eugenol, and polyphenols; used in skincare for antioxidant and antimicrobial properties but requires caution due to sensitization potential from fragrance-active constituents.

Also known as: cinnamon bark extract, cassia bark extract, chinese cinnamon bark extract

antioxidantskin-conditioningantimicrobialfragrance

Benefits

  • Rich in polyphenols, flavonoids, and cinnamaldehyde providing antioxidant protection against free radicals
  • Antimicrobial activity helpful in acne-targeting formulations
  • Anti-inflammatory properties that may help calm mild irritation
  • Supports skin conditioning and purifying effects

Watch for

  • Cinnamaldehyde is a known skin sensitizer and fragrance allergen — EU regulations require declaration above threshold concentrations in leave-on products
  • Eugenol content is also a declared EU fragrance allergen
  • May cause contact dermatitis or allergic reactions in sensitive or fragrance-allergic individuals
  • Patch test strongly recommended; avoid on broken or highly reactive skin
  • Clinical evidence for topical leave-on benefits is limited; mainly used at low levels
At a glance
CategoryAntioxidant
IrritancyModerate–high
Beginner-friendlyYes
In your routine

Generally well-tolerated and easy to layer.

Found in 3 products
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Products with Cinnamomum Cassia Bark Extract

Gongjinhyang Facial Foam CleanserCleanser
The History of Whoo
Gongjinhyang Facial Foam Cleanser
Bichup Self-Generating Anti-Aging EssenceEssence
The History of Whoo
Bichup Self-Generating Anti-Aging Essence
Zero Pore Pad 2.0Toner
Medicube
Zero Pore Pad 2.0