Ceratonia Siliqua Fruit Extract
INCI: CERATONIA SILIQUA FRUIT EXTRACT
Reviewed by Kate · Last updated 14 Aug 2026
Plant extract with potential to support even skin tone and antioxidant protection
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Ceratonia Siliqua Fruit Extract?
Ceratonia siliqua fruit extract is derived from the carob tree, a Mediterranean plant with a long history of use in food and traditional medicine. The extract is rich in flavonoids and polyphenolic compounds, which are plant molecules known for their antioxidant properties.
In skincare formulations, this ingredient is used primarily for skin conditioning and to address concerns related to uneven pigmentation and oxidative stress. It appears in a relatively small proportion of skincare products, typically at low concentrations.
How It Works
The extract works through multiple mechanisms. Its flavonoids act as antioxidants, neutralising free radicals that can contribute to skin damage and uneven pigmentation. More specifically, compounds in the extract appear to inhibit tyrosinase, the enzyme responsible for melanin production in skin cells, which may help reduce hyperpigmentation over time.
Additionally, the extract may suppress collagenase activity—an enzyme that breaks down collagen—and block advanced glycation end products (AGE), which are implicated in skin ageing.
Clinical Evidence & References
In-vitro research demonstrates that Ceratonia siliqua extracts (particularly from the bark and fruit) inhibit tyrosinase activity and reduce tyrosinase gene expression in melanocyte cultures. This suggests potential benefit for hyperpigmentation, though human studies are limited.
Early research also indicates the extract may enhance the activity of retinoids when combined with niacinamide, and shows promise for antioxidant activity and collagenase inhibition. However, most evidence comes from laboratory or cell-based studies rather than clinical trials on human skin, so efficacy in real-world use remains to be fully established.
Published Research
How to Use
Ceratonia siliqua fruit extract is typically used as part of a formulation rather than as a standalone active. It works well in serums, moisturisers, and treatment masks designed to address uneven tone or oxidative stress. For best results, use consistently as part of your daily routine alongside sun protection, since UV exposure is a primary driver of hyperpigmentation.
Safety & Precautions
Frequently Asked Questions
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Ceratonia Siliqua Fruit Extract is a variant of Hydrolyzed Ceratonia Siliqua Seed Extract, the form you will most often see on an ingredients list.
A plant-derived conditioning agent that helps support skin hydration and softness
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