beauty
cleaning
industrial
pharma

Diethylene glycol monostearate

CAS 8044-57-3

Also registered as 1 other CAS number

106-11-6

Concern score

Not assessed — no hazard data yet.

Diethylene glycol monostearate in plain language

What it is: On cosmetic ingredient lists it appears as “PEG-2 stearate”.
Also known as PEG-2 stearate · Diethylene glycol mono- and dipalmitostearate · 2-(2-Hydroxyethoxy)ethyl octadecanoate · 2-(2-Hydroxyethoxy)ethyl stearate, pure · 9-Octadecanoic acid 2-(2-hydroxyethoxy)ethyl ester · Aqua Cera
Show all 11 names
Atlas G 2146 · Diglycol monostearate · Octadecanoic acid, 2-(2-hydroxyethoxy)ethyl ester · Stearic acid, 2-(2-hydroxyethoxy)ethyl ester · diglycol stearate
What it does: Used in cosmetics as an emulsifier and an opacifier.
Emulsifying
Opacifying
Emulsifier
Surfactant
Opacifier
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Diethylene glycol monostearate appears in these published regulatory listings.

Inactive ingredient in US drugs

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Industrial

EUCosIngActive2-(2-Hydroxyethoxy)ethyl octadecanoate
- 2-(2-Hydroxyethoxy)ethyl octadecanoateSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 9 composition records across product categories including Cleaning and safety, Personal care. EPA CPDat classifies this chemical for functional uses including Emulsifier, Opacifer, Surfactant (surface active agent).
- EPA CPDat observed this chemical in 9 composition records across product categories including Cleaning and safety, Personal care. EPA CPDat classifies this chemical for functional uses including Emulsifier, Opacifer, Surfactant (surface active agent).Source →
USFDAinactive ingredient databaseRoute: VAGINAL; Dosage form: CREAM; Maximum daily exposure: 874 mg
- Route: VAGINAL; Dosage form: CREAM; Maximum daily exposure: 874 mgSource →

Expert safety opinions

No expert opinion on file for Diethylene glycol monostearate. 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 Diethylene glycol monostearate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated September 2013
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA Inactive Ingredient Database
regulatory · updated 2026-01-09
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.

Where it has been recorded

How often EPA CPDat has listed Diethylene glycol monostearate in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Cleaning and safetyPersonal care

Typical roles

EmulsifyingOpacifyingEmulsifierSurfactantOpacifier

See products using Diethylene glycol monostearate →

Catalog

Found in these products

Their ingredient lists include Diethylene glycol monostearate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 17 →Find products without it →