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Ingredient guide
ascophyllum nodosum peptide
In short
Knotted wrack peptide is a marine peptide fraction that supports smoother-looking texture and visible firmness. Its fucan‑linked peptide complexes help the skin look more refined over time.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Texture · Firmness
Best used
Anytime
What it is
Peptide fraction from Ascophyllum nodosum (knotted wrack); INCI peptide form distinct from ascophyllum extract entries; sulfated fucan-peptide conjugates from hydrolysis support matrix metalloproteinase inhibition and surface texture improvement; sustainable wild Atlantic seaweed source; applied in anti-aging texture-refinement formulas.
Also found as
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Common questions
It helps improve the look of surface texture and supports firmness through antioxidant and matrix‑supportive activity.
Anyone interested in surface-smoothing or gentle firmness support may find it helpful, across most skin types.
It appears in serums and creams designed for texture refinement and marine‑based antioxidant blends.
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Personal guidance only · For clinical concerns, see a dermatologist.