Antioxidant

Caffeic …

INCI: CAFFEIC/COCO/COUMARIC/MANGOSTEEN PERICARP ESTERS

Reviewed by Rosie · Last updated 14 Aug 2026

Also known as: Caffeic/coco/coumaric/mangosteen Pericarp Esters

Plant-derived esters with antioxidant and conditioning properties

Best For Skin Types

All, Oily, Combination, Sensitive

Addresses

Fine lines, Dryness, Sensitivity, Barrier repair

Usage Frequency

Daily

What Is Caffeic …?

Caffeic, coco, coumaric and mangosteen pericarp esters are plant-derived compounds created by combining naturally occurring phenolic acids and plant extracts with fatty acids. These esters combine the antioxidant properties of their parent compounds with the conditioning benefits of their fatty acid components.

In skincare formulations, these ingredients function as multitasking actives, working to protect skin from oxidative stress whilst also providing emollient and skin-conditioning properties. They are derived from renewable plant sources including coconut and mangosteen fruit.

Benefits for Your Skin

How It Works

These esters work through a dual mechanism. The phenolic acid components (caffeic, coumaric acids) act as antioxidants by donating electrons to neutralise free radicals, reducing oxidative stress at the skin surface and within the dermis. This process helps protect skin cells from damage caused by environmental aggressors and natural metabolic processes.

The fatty acid portions provide occlusive and emollient benefits, helping to seal moisture into the skin and improve the overall feel and appearance of the skin barrier. Some evidence suggests these compounds may also support the skin's natural antimicrobial defences.

Clinical Evidence & References

Research specifically isolating these ester combinations is limited. However, the parent compounds—caffeic acid, coumaric acid, and mangosteen pericarp extract—have been studied individually and show promise as antioxidants in skincare. These studies generally support their ability to reduce oxidative stress markers in skin models and show reasonable safety profiles.

Evidence for the conditioning and antimicrobial functions is largely based on traditional use and in vitro testing rather than robust clinical trials in human subjects. The ester formulation may improve stability and skin penetration compared to the parent compounds, though direct comparative human studies are scarce. More rigorous clinical data would help clarify their efficacy at typical cosmetic concentrations.

How to Use

These ingredients are typically found in serums, moisturisers and targeted treatments. As they are commonly combined with other actives, introduce them gradually if you have sensitive skin to assess tolerance. They can generally be used daily as part of your skincare routine, though specific usage will depend on the formulation and other active ingredients present.

Safety & Precautions

Generally well-tolerated in cosmetic formulations. Individuals with sensitivity to plant-derived ingredients or phenolic compounds should patch test first, though allergic reactions are uncommon.

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