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Dimethiconol

CAS 12296-62-7

Also registered as 50 other CAS numbers

59787-80-3 · 156787-83-6 · 157016-33-6 · 160989-54-8 · 165118-62-7 · 175017-95-5 · 178628-47-2 · 181933-91-5 · 182296-25-9 · 187271-17-6 · 204757-42-6 · 210769-89-4 · 218129-66-9 · 221662-14-2 · 232258-89-8 · 235756-64-6 · 256341-29-4 · 287488-28-2 · 292163-62-3 · 350048-42-9 · 371961-21-6 · 478799-78-9 · 480440-61-7 · 569651-54-3 · 656240-58-3 · 899434-48-1 · 953760-71-9 · 953822-03-2 · 1020103-30-3 · 1028202-38-1 · 1155262-61-5 · 1207197-24-7 · 1217346-84-3 · 1401313-96-9 · 1415100-29-6 · 1442688-21-2 · 1491140-52-3 · 1557970-27-0 · 1586815-35-1 · 1818338-13-4 · +10 more

Concern score

Not assessed — no hazard data yet.

Dimethiconol in plain language

What it is

Also known as Dimethiconol (40 cst) · Dimethiconol (41 mpa.s) · Dimethiconol (3500 mw) · Dimethiconol 40 · Dimethyl siloxane, hydroxy-terminated (41 mpa.s) · Dow corning st - dimethiconol 40

Show all 11 names

Adhesive 107 · Andisil OH 40 · BRB Sempure 680 · Baysilone T 5 · Belsil DM 3560VP

What it does

Used in cosmetics as a moisturiser, an emollient and an antifoaming agent.

  • Moisturising
  • Emollient
  • Antifoaming
  • Humectant
  • Conditioner
  • Lubricant
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. Dimethiconol appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActivePoly[oxy(dimethylsilylane)], .alpha.-hydro-.omega.-hydroxy-
    • Poly[oxy(dimethylsilylane)], .alpha.-hydro-.omega.-hydroxy-Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 2862 composition records across product categories including Personal care, Construction, Home maintenance. EPA CPDat classifies this chemical for functional uses including Lubricating agent, Softener and conditioner, Humectant.
    • EPA CPDat observed this chemical in 2862 composition records across product categories including Personal care, Construction, Home maintenance. EPA CPDat classifies this chemical for functional uses including Lubricating agent, Softener and conditioner, Humectant.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as polymer.
    • openFDA substance registry classifies this ingredient as polymer.Source →

Expert safety opinions

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

5 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated september 28, 2015

    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 →
Reference links (4)
Openfda substance

www3.dowcorning.com

Openfda substance

www3.dowcorning.com

Openfda substance

www3.dowcorning.com

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 Dimethiconol in a product composition. These are source records, not Greenveil catalog products.

Source records

2,862

Named organisations

6

Personal careConstructionHome maintenance

Typical roles

MoisturisingEmollientAntifoamingHumectantConditionerLubricant
See products using Dimethiconol →

Catalog

Found in these products

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

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Dimethiconol in the catalog.