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 “Castanea crenata shell extract”.
Also known as Castanea crenata shell extract · Castanea crenata (chestnut) shell extract · Castanea castanea var. pubinervis shell · Castanea chinensis shell · Castanea japonica shell · Castanea kusakuri shell
Castanea pubinervis shell · Castanea sativa var. pubinervis shell · Castanea stricta shell · Japanese chestnut shell · Kuri shell · Ri ben li
Used in cosmetics as a skin-conditioning agent. Castanea Crenata Shell Extract is an extract of the shell of the chestnut, Castanea crenata, Fagaceae.
FDA GSRS classifies this ingredient as ingredient substance structurallydiverse.
No restrictions found. Castanea crenata shell appears in these published regulatory listings.
No expert opinion on file for Castanea crenata shell. 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 Castanea crenata shell yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.
Source: chemindex_name_match
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.