Cucurbita Pepo Cotyledon Extract
INCI: CUCURBITA PEPO COTYLEDON EXTRACT
Reviewed by Daisy · Last updated 2 Jun 2026
Plant extract from pumpkin seeds that conditions and softens skin and hair
Best For Skin Types
All, Dry, Mature
Addresses
Usage Frequency
Daily
What Is Cucurbita Pepo Cotyledon Extract?
Cucurbita pepo cotyledon extract is derived from the kernels (cotyledons) of pumpkin seeds. It contains natural compounds including fatty acids, proteins, and phytosterols that have been used traditionally in skincare and haircare formulations.
In cosmetic products, this ingredient functions primarily as a skin and hair conditioning agent. It works by forming a protective layer on the skin's surface and helping to maintain moisture, making it a common addition to creams, serums, and hair treatments aimed at improving texture and suppleness.
How It Works
The extract contains fatty acids and proteins that mimic skin's natural lipid composition. When applied topically, these components adsorb onto the skin's surface, helping to reduce transepidermal water loss and improve the overall feel and appearance of the skin.
The conditioning effect is largely superficial rather than systemic. This makes it well-suited to leave-on formulations where a smooth, comfortable finish is desired without penetrating deeply into the skin.
Clinical Evidence & References
Published clinical research specifically examining this ingredient in isolation is limited. Most evidence comes from traditional use and ingredient supplier data rather than independent peer-reviewed studies.
The ingredient's conditioning properties are supported by its known chemical composition (fatty acids and proteins), though individual clinical efficacy studies in human subjects would strengthen confidence in specific claims. It is generally recognised as a safe and gentle conditioning agent.
How to Use
Cucurbita pepo cotyledon extract is typically used as part of a formulation rather than in isolation. It works well in combination with other hydrating and conditioning ingredients, and can be applied daily as part of your regular skincare or haircare routine. Since it provides surface-level conditioning, layering it under an occlusive moisturiser or oil can enhance its benefits.
Safety & Precautions
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 quizRelated Ingredients
Cucumis Sativus Fruit Water
A hydrating plant extract traditionally used to soothe and condition the skin
Cucumis Sativus Seed Extract
A plant-derived conditioning agent with gentle soothing properties
Cucurbita Pepo
A plant extract rich in antioxidants and carotenoids that may support skin conditioning
Cucurbita Pepo Fruit Extract
A plant extract with antioxidant and soothing properties derived from pumpkin fruit
Cucurbitacin B
A plant compound with potential to calm inflammatory skin conditions
Curculigo Orchioides Root Extract
A plant extract traditionally used to support skin conditioning and hydration
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.