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Ascophyllum Nodosum Extract

What Ascophyllum Nodosum Extract is & what it does

A brown algae extract rich in minerals and polysaccharides that hydrates and helps firm and condition skin. It supports a smoother surface.

What does Ascophyllum Nodosum Extract do in skincare?

Ascophyllum Nodosum Extract comes from a brown seaweed and is used mainly as a skin-conditioning and antioxidant ingredient. In skincare and sunscreen formulas it can support hydration and a soothing feel, since brown algae are rich in minerals and polysaccharides. It is one of several seaweed extracts valued for these properties.

Is Ascophyllum Nodosum Extract natural or synthetic?

It is a natural ingredient derived from a brown seaweed. The harvested algae are processed to make the cosmetic extract. As a marine botanical, its exact makeup can vary with source and harvest.

Is Ascophyllum Nodosum Extract vegan?

Ascophyllum Nodosum is a seaweed, a type of algae, and contains no animal-derived material, so the extract is generally considered suitable for vegan formulas. Whether a finished product is vegan also depends on its other ingredients and the brand's policies. Checking the product label gives the clearest answer.

Sunscreens with Ascophyllum Nodosum Extract

We rate 18 sunscreens that contain it, showing the top 10 by overall score:

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