Cinnamomum Zeylanicum Bark Extract

Cinnamomum zeylanicum bark extract is derived from Ceylon cinnamon, a spice with a long history in traditional Chinese, Korean and Japanese medicine. The extract contains polyphenolic compounds, including procyanidins and flavonoids, which contribute to its antioxidant and antimicrobial activity in skincare formulations.In cosmetics, this ingredient is typically used at very low concentrations (around 0.1% of skincare products contain it) and functions primarily as a skin conditioning agent and antioxidant. It may also contribute mild fragrance notes.

The bioactive compounds in cinnamon bark extract, particularly epicatechin and linalool, appear to work through multiple mechanisms. As antioxidants, they scavenge free radicals before they can damage skin cells. The antimicrobial activity stems from the extract's ability to inhibit the growth of certain microorganisms on the skin surface.Recent research has explored how cinnamon bark extract may influence keratinocyte circadian rhythms—the internal 24-hour cycles that regulate skin repair, barrier function and cellular turnover. By enhancing the amplitude of these rhythms, the extract may …

Cinnamon bark extract is typically incorporated into serums, moisturisers and toners at very low levels. There is no specific guidance on how to use products containing this ingredient differently from standard skincare routines. It works well alongside other antioxidants and can be used morning and evening as part of a regular regimen. If combining with other active ingredients, introduce gradually to monitor your skin's response.

Cinnamon bark extract is generally well-tolerated in cosmetic formulations at typical use levels. As with any botanical ingredient, patch testing is advisable if you have sensitive skin or known plant allergies.