# 3-HYDROXYBUTYRATE/4-HYDROXYBUTYRATE/PEG-90 COPOLYMER

URL: https://app.greenveil.ai/ingredients/ingredient_inci_3_hydroxybutyrate_4_hydroxybutyrate_peg_90_copolymer
Categories: beauty
Functions: Emulsifying
Identifier: 3-HYDROXYBUTYRATE/4-HYDROXYBUTYRATE/PEG-90 COPOLYMER

> 3-HYDROXYBUTYRATE/4-HYDROXYBUTYRATE/PEG-90 COPOLYMER: Used in cosmetics as an emulsifier. Canonical ingredient record built from 1 public-source records. Compiled from 1 published data source.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: Canonical ingredient record built from 1 public-source records.

## Regulatory status

- EU: Active — 3-Hydroxybutyrate/4-Hydroxybutyrate/PEG-90 Copolymer is a polymer of 3-Hydroxybutyric Acid, 4-hydroxybutyric acid, and PEG-90.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/104604

_Assessed by Greenveil._