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Gelidium Sesquipedale Extract

What Gelidium Sesquipedale Extract is & what it does

Gelidium Sesquipedale Extract is derived from a species of red seaweed (red algae) and is often used as a natural source of agar-type polysaccharides. In skincare and sunscreen formulas it acts mainly as a skin-conditioning and film-forming agent, helping to leave a smooth surface feel. Marine extracts like this are also valued for their water-binding properties that support hydration.

What does Gelidium Sesquipedale Extract do in skincare?

Gelidium Sesquipedale Extract, from a red seaweed, acts mainly as a skin-conditioning and film-forming agent. It is a natural source of agar-type polysaccharides that bind water and leave a smooth surface feel. In sunscreens and moisturizers it can support hydration and a pleasant texture.

Is Gelidium Sesquipedale Extract natural or synthetic?

It is natural, derived from a species of red marine algae (red seaweed). The seaweed is harvested and processed to extract its polysaccharide-rich components for cosmetic use.

Is Gelidium Sesquipedale Extract vegan?

Yes, this extract comes from seaweed rather than any animal, so it is generally considered suitable for vegan products. Whether a finished formula is vegan still depends on the brand and the other ingredients used.

Sunscreens with Gelidium Sesquipedale Extract

We rate 9 sunscreens that contain it:

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