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Sargassum siliquastrum extract

Concern score

Not assessed — no hazard data yet.

Sargassum siliquastrum extract in plain language

What it is

Also known as Sargassum siliquastrum · Cystoseira siliquastra · Fucus scoparius · Fucus serratifolius · Fucus siliquastrus · Fucus tortilis

Show all 21 names

Halochloa macracantha · Halochloa pachycarpa · Halochloa polyacantha · Halochloa scoparia · Halochloa siliquastra · Halochloa tenuis · Halochloa tortilis · Sargassum corynecarpum · Sargassum macracanthum · Sargassum pachycarpum · Sargassum polyacanthum · Sargassum scoparium · Sargassum siliquastrum whole · Sargassum tenue · Sargassum tortile

What it does

Used in cosmetics as a skin-conditioning agent. Sargassum Siliquastrum Extract is the extract of the whole plant, Sargassum siliquastrum.

  • Skin conditioning
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

FDA GSRS classifies this ingredient as ingredient substance structurallydiverse.

Regulation

No restrictions found. Sargassum siliquastrum extract appears in these published regulatory listings.

  • USFDAlisted in openFDA substance2 entries
    • openFDA substance registry classifies this ingredient as structurallydiverse.Source →
    • openFDA substance registry classifies this ingredient as concept.Source →
  • EUCosIngActiveSargassum Siliquastrum Extract is the extract of the whole plant, Sargassum siliquastrum
    • Sargassum Siliquastrum Extract is the extract of the whole plant, Sargassum siliquastrumSource →

Expert safety opinions

No expert opinion on file for Sargassum siliquastrum extract. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Sargassum siliquastrum extract yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.