Skin Conditioning

Hydrolyzed Corallina Officinalis Extract

INCI: HYDROLYZED CORALLINA OFFICINALIS EXTRACT

Reviewed by Emma · Last updated 14 Aug 2026

A marine-derived conditioning agent that helps support skin hydration and texture

Best For Skin Types

All, Dry, Combination, Mature

Addresses

Dryness, Hydration, Dehydration

Usage Frequency

Daily

What Is Hydrolyzed Corallina Officinalis Extract?

Hydrolyzed Corallina Officinalis Extract is a processed form of red coralline algae, a marine organism rich in polysaccharides and trace minerals. The hydrolysis process breaks down the algae's cell wall structure into smaller, more bioavailable components that can be absorbed by the skin.

In skincare formulations, this ingredient functions primarily as a skin conditioner—helping to improve hydration, smooth texture, and support the skin's natural moisture balance. It is commonly used in cleansers, toners, serums, and moisturisers across various product types.

How It Works

The hydrolyzed extract works through multiple pathways. The polysaccharides act as humectants, drawing water into the skin's outer layers and creating a more hydrated appearance. Additionally, the mineral profile—including calcium, magnesium, and potassium—may support skin barrier function and overall skin resilience.

Because the algae has been hydrolyzed (broken down), its components are smaller and penetrate more effectively than whole algae extracts, allowing deeper conditioning effects.

Clinical Evidence & References

Direct clinical research on Hydrolyzed Corallina Officinalis Extract is limited, and much of the supporting evidence comes from broader studies on coralline algae and marine polysaccharides. These studies suggest that such ingredients can support skin hydration and have mild antioxidant properties, though results are modest rather than transformative.

The ingredient's safety profile is well-established through long cosmetic use, but further targeted studies would help clarify its specific efficacy in various formulations and skin types.

How to Use

This ingredient is typically incorporated into rinse-off products like cleansers or leave-on formulations like serums and moisturisers. There are no known restrictions on pairing it with other actives, though as with any hydrating ingredient, it works best when the skin barrier is intact. Use consistently to notice any improvements in hydration and texture.

Safety & Precautions

Hydrolyzed Corallina Officinalis Extract is generally well-tolerated and considered safe for cosmetic use. Those with shellfish or iodine sensitivities should exercise caution, as marine ingredients can occasionally trigger reactions in sensitive individuals.

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Other forms of Hydrolyzed Corallina Officinalis Extract

These appear on ingredients lists under different names but are the same substance. Hydrolyzed Corallina Officinalis Extract is the common form.

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