Ascophyllum Nodosum Extract

Ascophyllum nodosum extract is a marine botanical derived from brown seaweed, rich in polysaccharides and minerals. Skincare uses it for antioxidant protection, skin-softening hydration, and support for a resilient-looking barrier.
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Ingredient Snapshot

Overview
Brown seaweed extract that hydrates skin and calms redness.
Category
Antioxidant, Soothing, Skin Conditioning, Barrier Support
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps calm visible redness and keeps skin feeling supple by drawing in moisture. Its marine antioxidants help fend off daily environmental stress for a healthier-looking complexion.

Uses In Skincare & Cosmetics

Often included in hydrating serums, soothing creams, and sheet masks to comfort skin. Also appears in after-sun gels to nurture skin post UV exposure alongside a moisturizer.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Typically low irritation risk, though botanicals can cause sensitivity in some users. Those with seaweed/iodine sensitivities should patch test first. Avoid use on broken or compromised skin if you have known marine extract allergies.

Is Ascophyllum Nodosum Extract a Good Ingredient?

This rates Good: Provides polysaccharides and minerals that offer antioxidant support and soothing hydration, with generally good tolerability in leave-on formulas. Evidence is mostly cosmetic rather than clinical, and activity can vary by extract quality.

Products with Ascophyllum Nodosum Extract

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