Skin Conditioning

Hydrolyzed Ceratonia Siliqua Seed Extract

INCI: HYDROLYZED CERATONIA SILIQUA SEED EXTRACT

Reviewed by Kate · Last updated 14 Aug 2026

A plant-derived conditioning agent that helps support skin hydration and softness

Best For Skin Types

All, Dry, Sensitive

Addresses

Dryness, Hydration

Usage Frequency

Daily

What Is Hydrolyzed Ceratonia Siliqua Seed Extract?

Hydrolyzed Ceratonia Siliqua Seed Extract is derived from carob seeds, which are processed through hydrolysis to break down the plant material into smaller, more bioavailable components. Carob has been used in traditional skincare practices for centuries, particularly in Mediterranean regions where the plant grows naturally.

In skincare formulations, this ingredient functions primarily as a skin conditioner. It works to improve the feel and texture of the skin surface, helping to enhance moisture retention and create a smoother, more supple appearance.

How It Works

The hydrolyzed form of carob seed extract contains polysaccharides and other humectant compounds that can bind water molecules to the skin. This helps prevent transepidermal water loss and supports the skin's natural moisture balance.

Additionally, the extract may have mild film-forming properties, creating a light protective layer on the skin surface that enhances softness and helps lock in hydration without leaving a heavy residue.

Clinical Evidence & References

Published clinical research specifically on hydrolyzed carob seed extract in skincare is limited. However, carob seeds are known to contain polysaccharides with hygroscopic (water-attracting) properties, which supports the ingredient's use as a humectant and conditioner in formulations.

The ingredient is generally recognised as safe in cosmetic use and is well-established in the industry, though further targeted studies would help clarify its specific efficacy and optimal concentration ranges in skincare products.

How to Use

This ingredient is typically incorporated into lotions, serums, and creams where it works synergistically with other hydrating and conditioning agents. It tends to be most effective when layered with occlusives (such as oils or butters) to seal in hydration. There is no specific need to limit frequency of use; products containing this extract can generally be used daily as part of your routine.

Safety & Precautions

Hydrolyzed Ceratonia Siliqua Seed Extract is generally well-tolerated across all skin types. Those with plant seed allergies should patch test first, though allergic reactions are rare.

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Other forms of Hydrolyzed Ceratonia Siliqua Seed Extract

These appear on ingredients lists under different names but are the same substance. Hydrolyzed Ceratonia Siliqua Seed Extract is the common form.

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