What does Isostearyl stearoyl stearate do?

Used in cosmetics as an emollient, a skin-conditioning agent and a thickener.

Is Isostearyl stearoyl stearate safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty
cleaning

Isostearyl stearoyl stearate

CAS 93385-12-7

Concern score

Not assessed — no hazard data yet.

Isostearyl stearoyl stearate in plain language

What it is: Also known as 16-Methylheptadecyl 12-(octadecanoyloxy)octadecanoate · (±)-isostearyl stearoyl stearate · 12-((1-OXOOCTADECYL)OXY)ISOOCTADECYL octadecanoate · 16-methylheptadecyl 12-octadecanoyloxyoctadecanoate · Isostearyl stearoyl stearate, (±)- · (+/-)-isostearyl stearoyl stearate
Show all 10 names
Hetester iss · Isostearyl stearoyl stearate, (+/-)- · Q27293306 · UNII-X1G35R49WM
What it does: Used in cosmetics as an emollient, a skin-conditioning agent and a thickener.
Emollient
Skin conditioning
Viscosity controlling
Humectant
Thickener
Conditioner
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. Isostearyl stearoyl stearate appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty
Cleaning

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 18 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Viscosity modifier, Humectant.
- EPA CPDat observed this chemical in 18 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Viscosity modifier, Humectant.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

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

6 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 GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
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 Isostearyl stearoyl stearate in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Personal care

Typical roles

EmollientSkin conditioningViscosity controllingHumectantThickenerConditioner

See products using Isostearyl stearoyl stearate →