Quercetin Caprylate
INCI: QUERCETIN CAPRYLATE
Reviewed by Daisy · Last updated 2 Jun 2026
Also known as: Quercetin Caprylate
A stabilised form of quercetin that works as an antioxidant to help protect skin from environmental stress
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Quercetin Caprylate?
Quercetin caprylate is a modified version of quercetin, a naturally occurring flavonoid compound found in plants. The caprylate ester form enhances stability and absorption when used in skincare formulations, making it more practical for topical application than quercetin alone.
In skincare, quercetin caprylate functions as an antioxidant and skin conditioning agent. It helps to neutralise free radicals—unstable molecules generated by environmental factors like UV exposure and pollution—that can damage skin cells and contribute to visible signs of ageing.
Benefits for Your Skin
How It Works
Quercetin caprylate works by donating electrons to neutralise free radicals, preventing them from damaging skin cell proteins and structures. This antioxidant activity helps reduce oxidative stress, which accumulates over time and is linked to visible ageing processes such as fine lines and loss of firmness.
The caprylate ester structure improves the ingredient's ability to penetrate the skin and remain stable in formulations, making it more effective than unmodified quercetin in topical products.
Clinical Evidence & References
Research suggests that quercetin possesses anti-ageing and antioxidant properties, with studies indicating that it may support cellular health and protect against oxidative stress. Some evidence points to potential benefits for maintaining skin resilience and appearance, though most existing research examines quercetin itself rather than the caprylate variant specifically.
The evidence base for quercetin caprylate as a standalone ingredient is limited. While the caprylate modification is designed to improve efficacy and stability, direct clinical studies comparing it to other antioxidants in skincare remain sparse. It appears most effective as part of a multi-ingredient formulation rather than in isolation.
Published Research
How to Use
Quercetin caprylate is typically found in serums, moisturisers and treatment products. Apply to clean skin, either morning or evening depending on the product format. Layer with other skincare steps as directed by the product instructions. It works well alongside other antioxidants and hydrating ingredients.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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Pyrroloquinoline Quinone
A naturally-derived antioxidant that helps protect skin from oxidative stress and supports collagen health
Pyrus Malus Peel Extract
Polyphenol-rich extract from apple peel with antioxidant properties
Quercetin
Quercetin is a bioflavinoid ingredient from plants
Resveratrol
A plant antioxidant best used overnight
Resveratrol Dimethyl Ether
A modified antioxidant compound that supports skin defence against environmental damage
Resveratrol Dimethyl Ether Glucoside
A stabilised resveratrol derivative that works as an antioxidant to help protect skin from environmental stress
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