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.
CAS 1039549-27-3
Concern score
On cosmetic ingredient lists it appears as “Hydroxybutyric acid/hydroxypentanoic acid copolymer”.
Also known as Hydroxybutyric acid/hydroxypentanoic acid copolymer
Used in cosmetics as a skin-conditioning agent, an abrasive and a thickener.
No restrictions found. Pentanoic acid, 3-hydroxy-, (3R)-, polymer with (3R)-3-hydroxybutanoic acid, from Cupriavidus necator fermentation of D-glucose and propionic acid appears in these published regulatory listings.
No expert opinion on file for Pentanoic acid, 3-hydroxy-, (3R)-, polymer with (3R)-3-hydroxybutanoic acid, from Cupriavidus necator fermentation of D-glucose and propionic acid. 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 Pentanoic acid, 3-hydroxy-, (3R)-, polymer with (3R)-3-hydroxybutanoic acid, from Cupriavidus necator fermentation of D-glucose and propionic acid 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.
How often EPA CPDat has listed Pentanoic acid, 3-hydroxy-, (3R)-, polymer with (3R)-3-hydroxybutanoic acid, from Cupriavidus necator fermentation of D-glucose and propionic acid in a product composition. These are source records, not Greenveil catalog products.
Named organisations
1
Typical roles