# ISOSTEARETH-15

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid3034828
Categories: beauty
Functions: Emulsifying, Cleansing, Emulsifier, Surfactant
Identifier: DTXSID3034828

> ISOSTEARETH-15: Used in cosmetics as an emulsifier and a cleansing agent. EPA CPDat observed this chemical in 25 composition records across product categories including Pesticides, Personal care. Compiled from 5 published data sources.

## 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: EPA CPDat observed this chemical in 25 composition records across product categories including Pesticides, Personal care.

## Regulatory status

- EU: Active — Poly(oxy-1,2-ethanediyl), .alpha.-isooctadecyl-.omega.-hydroxy-
- EU: Active — Polyoxyethylene (15) Isostearyl Ether
- EU: Active — Polyoxyethylene (25) Isostearyl Ether
- EU: Active — Polyoxyethylene (5) Isostearyl Ether
- US: commercial use observed — EPA CPDat observed this chemical in 25 composition records across product categories including Pesticides, Personal care. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Emulsifier.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as polymer.

## 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/34737
- EPA Chemical and Products Database (updated November 2014): http://siri.org/msds/f2/clh/clhrx.html
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:059Z6493VU

_Assessed by Greenveil._