Antioxidant

Diospyros Kaki Calyx Extract

INCI: DIOSPYROS KAKI CALYX EXTRACT

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: Diospyros Kaki Calyx Extract

Plant extract with antioxidant and soothing properties, derived from persimmon calyces

Best For Skin Types

All, Sensitive, Dry

Addresses

Sensitivity, Redness, Dryness, Hydration

Usage Frequency

Daily

What Is Diospyros Kaki Calyx Extract?

Diospyros kaki calyx extract is derived from the sepals (the small leaf-like structures at the base) of the persimmon fruit. The extract is typically prepared as an aqueous preparation, meaning the beneficial compounds are extracted using water. This ingredient functions as an antioxidant, humectant and skin conditioner in skincare formulations.

The persimmon plant has a history of use in traditional Asian medicine, and modern research has begun to investigate the properties of various parts of the plant, including the calyx, which contains polyphenolic compounds that may contribute to its biological activity.

Benefits for Your Skin

How It Works

The extract contains polyphenolic compounds that act as antioxidants, meaning they can donate electrons to unstable free radicals and render them harmless. This may help protect skin cells from oxidative stress caused by environmental factors such as UV exposure and pollution.

Early research also suggests the extract may influence inflammatory pathways in the skin. However, the precise mechanisms by which it operates in skincare formulations require further investigation, particularly at the concentrations typically used in cosmetic products.

Clinical Evidence & References

Laboratory and animal studies indicate that Diospyros kaki calyx extract may have anti-inflammatory properties, with one model showing potential benefit in reducing inflammatory skin responses. These findings are promising, but they have not yet been extensively tested in controlled human studies at cosmetic-use concentrations.

The evidence base remains limited, and more research in human volunteers would help clarify whether the benefits observed in preliminary studies translate to meaningful outcomes in skincare use. Current evidence supports its use as a conditioning and antioxidant ingredient, though dramatic effects should not be expected.

How to Use

This ingredient is typically found in serums, essences, toners and moisturisers. As with any new skincare ingredient, introduce it gradually and monitor your skin's response. It is generally well-suited to layering with other skincare actives, though there is no specific evidence requiring it to be used at particular times of day or in combination with other ingredients.

Safety & Precautions

Diospyros kaki calyx extract is generally well-tolerated in skincare formulations. Those with known sensitivity to plant extracts or persimmon should patch test before widespread use.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Part of a family

Diospyros Kaki Calyx Extract is a variant of Diospyros Kaki Fruit Extract, the form you will most often see on an ingredients list.

A fruit extract with antioxidant potential and preliminary evidence for UV-related skin support

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations