What does Castanopsis cuspidata stem extract do?

Used in cosmetics as an antimicrobial, an antioxidant and an emollient. Castanopsis Cuspidata Stem Extract is the extract of the stems of Castanopsis cuspidata, Fagaceae.

Is Castanopsis cuspidata stem extract safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty

Castanopsis cuspidata stem extract

Concern score

Not assessed — no hazard data yet.

Castanopsis cuspidata stem extract in plain language

What it is: Also known as Castanopsis cuspidata stem · Balanoplis serrata stem · Castanea fauriei stem · Castanopsis thunbergii stem · Japanese chinquapin stem · Lithocarpus cuspidatus stem
Show all 12 names
Lithocarpus sieboldii stem · Pasania cuspidata stem · Pasaniopsis cuspidata stem · Quercus cuspidata stem · Shiia cuspidata stem · Synaedrys cuspidata stem
What it does: Used in cosmetics as an antimicrobial, an antioxidant and an emollient. Castanopsis Cuspidata Stem Extract is the extract of the stems of Castanopsis cuspidata, Fagaceae.
Antimicrobial
Antioxidant
Emollient
Astringent
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. Castanopsis cuspidata stem extract appears in these published regulatory listings.

USFDAlisted in openFDA substance2 entries
- openFDA substance registry classifies this ingredient as concept.Source →
- openFDA substance registry classifies this ingredient as structurallydiverse.Source →
EUCosIngActiveCastanopsis Cuspidata Stem Extract is the extract of the stems of Castanopsis cuspidata, Fagaceae
- Castanopsis Cuspidata Stem Extract is the extract of the stems of Castanopsis cuspidata, FagaceaeSource →

Expert safety opinions

No expert opinion on file for Castanopsis cuspidata stem 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 Castanopsis cuspidata stem 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.