Cucurbita Pepo
INCI: CUCURBITA PEPO
Reviewed by Daisy · Last updated 14 Aug 2026
Also known as: Cucurbita Pepo
A plant extract rich in antioxidants and carotenoids that may support skin conditioning
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Cucurbita Pepo?
Cucurbita pepo, commonly known as courgette or summer squash, is a plant from the Cucurbitaceae family. In skincare, extracts derived from this plant—particularly from its flowers and fruit—are used as skin conditioning agents. The plant naturally contains carotenoids and polyphenols, compounds with recognised antioxidant and anti-inflammatory properties.
When included in skincare formulations, cucurbita pepo functions primarily as a skin conditioning ingredient, helping to maintain skin texture and overall appearance. The extract is typically derived from the fruit or flower of the plant and incorporated at relatively modest concentrations in finished products.
How It Works
Cucurbita pepo contains natural compounds—principally carotenoids (plant pigments) and polyphenols (plant phenolics)—that act as antioxidants. When applied to skin, these compounds may neutralise free radicals generated by environmental stressors such as UV exposure and pollution, potentially slowing oxidative damage to skin cells.
The anti-inflammatory action is thought to occur through these same bioactive compounds, which can help calm inflammatory pathways in the skin. As a skin conditioning agent, the extract also helps maintain hydration and smoothness by coating or conditioning the skin surface.
Clinical Evidence & References
Research on cucurbita pepo flowers has identified significant polyphenolic and carotenoid content with demonstrated antioxidant activity in laboratory conditions. However, most evidence comes from chemical analysis and in vitro studies rather than human clinical trials assessing topical application at cosmetic concentrations.
The anti-inflammatory and antioxidant potential is scientifically plausible given the ingredient's chemical profile, but human efficacy data remains limited. It is generally regarded as a safe, gentle conditioning ingredient suitable for inclusion in skincare products, though claims about specific skin benefits should be considered exploratory rather than conclusively proven.
Published Research
How to Use
Cucurbita pepo extract is typically found in creams, serums, and toners where it functions as part of a broader formulation. There is no need to use products containing this ingredient at a particular time of day or in any special manner; simply apply as you would any other skincare product. It works well alongside other conditioning and antioxidant ingredients and is not known to cause interactions with common skincare actives.
Safety & Precautions
Frequently Asked Questions
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Cucurbita Pepo is a variant of Cucurbita Pepo (Pumpkin) Seed Extract, the form you will most often see on an ingredients list.
Has antioxidant properties | Rich source of skin-reinforcing fatty acids
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Cucurbita Pepo (Pumpkin) Seed Extract
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