beauty
cleaning
food
industrial

Methicone

CAS 26403-67-8

Also registered as 10 other CAS numbers

63148-57-2 · 99893-34-2 · 223673-24-3 · 232258-87-6 · 618103-51-8 · 795298-59-8 · 1187308-07-1 · 1330065-98-9 · 1354022-25-5 · 1528738-69-3

Concern score

Not assessed — no hazard data yet.

Methicone in plain language

What it is: Also known as Methicone (20 cst) · Ditrimethylsilyl-terminated methylsilanediol homopolymer · Kf 99 · KF-99P · trimethylsilyl-terminated Methyl hydrogen siloxane · Xiameter MHX-1107 fluid 20 cst
Show all 7 names
KF-99-P
What it does: Used in consumer products as a humectant, a conditioner and an antistatic agent.
Humectant
Conditioner
Antistatic
Is it a concern?: We haven't assessed a concern score for this ingredient yet.

Regulation

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

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Pharma
Food
Industrial

USEPAcommercial use observedEPA CPDat observed this chemical in 1866 composition records across product categories including Personal care, Food and drug, Construction. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Anti-static agent, Surface modifier.
- EPA CPDat observed this chemical in 1866 composition records across product categories including Personal care, Food and drug, Construction. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Anti-static agent, Surface modifier.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 Methicone. 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 Methicone 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

EPA Chemical and Products Database
exposure · updated September 2018
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 (3)

Openfda substance

xiameter.com

Read →

Openfda substance

xiameter.com.cn

Read →

Openfda substance

xiameter.com.cn

Read →

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

Source records

1,866

Named organisations

Personal careFood and drugConstructionBatteries

Typical roles

HumectantConditionerAntistatic

See products using Methicone →

Catalog

Found in these products

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

See all 58 →Find products without it →