Skip to content

GREENVEIL

  • beauty
  • cleaning
  • food
  • industrial

Cyclomethicone

CAS 69430-24-6

Concern score

Not assessed — no hazard data yet.

Cyclomethicone in plain language

What it is

Also known as Cyclic dimethyl polysiloxanes between 4 and 6 · Cyclomethicone 56 · Abil B 8839 · Belsil CM 040 · Cyclic dimethylsiloxanes · Cyclic polydimethylsiloxanes

Show all 16 names

Cyclodimethylsiloxanes · Cyclomethicone 345 · Dow corning st cyclomethicone 56 · cyclodimethicone · cyclosiloxanes, dimethyl- · dimethyl cyclosiloxanes · dimethyl cyclosiloxnes · dimethyl cylcosiloxanes · dimethylcyclopolysiloxane · polydimethylcyclosiloxane

What it does

Used in consumer products as a humectant, a thickener and a film former.

  • Humectant
  • Thickener
  • Film former
  • Solvent
  • Conditioner
  • Antistatic
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Cyclomethicone appears in these published regulatory listings.

  • In marketed US drugs
  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • USFDAinactive ingredient database5 entries
    • Route: TOPICAL; Dosage form: AEROSOL, FOAM; Potency: 5.26 %w/wSource →
    • Route: TOPICAL; Dosage form: CREAM; Potency: 13 %w/wSource →
    • Route: TOPICAL; Dosage form: CREAM, AUGMENTED; Potency: 7.6 %w/wSource →
    • Route: TOPICAL; Dosage form: LOTION; Maximum daily exposure: 3510 mgSource →
    • Route: TOPICAL; Dosage form: SOLUTION; Maximum daily exposure: 30 mgSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1887 composition records across product categories including Home maintenance, Industrial products, Raw materials. EPA CPDat classifies this chemical for functional uses including Defoamer, Solvent, Humectant.
    • EPA CPDat observed this chemical in 1887 composition records across product categories including Home maintenance, Industrial products, Raw materials. EPA CPDat classifies this chemical for functional uses including Defoamer, Solvent, Humectant.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 1 total products.
    • FDA NDC lists this ingredient in 1 active drug products and 1 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

No expert opinion on file for Cyclomethicone. 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.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for Cyclomethicone 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

  • EPA Chemical and Products Database

    exposure · updated may 26, 2015

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2027-12-31

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

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.

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

Source records

1,887

Named organisations

6

Home maintenanceIndustrial productsRaw materialsPersonal careFood and drugConstruction

Typical roles

HumectantThickenerFilm formerSolventConditionerAntistatic
See products using Cyclomethicone →

Catalog

Found in these products

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

See all 127 →Find products without it →