Fragrance avoidance
Nothing to weigh for this context yet.
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.
Concern score
On cosmetic ingredient lists it appears as “Phaeodactylum tricornutum extract”.
Also known as Phaeodactylum tricornutum extract · Nitzschia closterium f. minutissima · Phaeodactylum tricornutum whole
Used in cosmetics as a humectant and a soothing agent. Phaeodactylum Tricornutum Extract is an extract of the Alga, Phaeodactylum tricornutum, Bacillariophyceae.
FDA GSRS classifies this ingredient as ingredient substance structurallydiverse.
No restrictions found. Phaeodactylum tricornutum appears in these published regulatory listings.
No expert opinion on file for Phaeodactylum tricornutum. 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.
No graded research studies for Phaeodactylum tricornutum yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Nothing to weigh for this context yet.
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.