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Porphyra tenera extract

Concern score

Not assessed — no hazard data yet.

Porphyra tenera extract in plain language

What it is

Also known as Nori (porphyra tenera) · Porphyra tenera · Asakusanori · Laver · Natsu-nori · Phyllona tenera

Show all 7 names

Porphyra tenera whole

What it does

Used in cosmetics as a skin-conditioning agent. Porphyra Tenera Extract is an extract of the Alga, Porphyra tenera, Bangiaceae.

  • 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. Porphyra tenera 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 →
  • EUCosIngActivePorphyra Tenera Extract is an extract of the Alga, Porphyra tenera, Bangiaceae
    • Porphyra Tenera Extract is an extract of the Alga, Porphyra tenera, BangiaceaeSource →

Expert safety opinions

No expert opinion on file for Porphyra tenera 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 Porphyra tenera 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.

Catalog

Found in these products

Their ingredient lists include Porphyra tenera extract; each product's own rating depends on its whole formula, so it is shown on the product page, not here.