TRIMETHYLSILYL CELLULOSE
Trimethylsilyl Cellulose is Cellulose that has been modified by reaction of the hydroxyl groups on the cellulose with a silane to produce trimethylsiloxy groups.
TRIMETHYLSILYL CELLULOSE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
What the official INCI name states
The official label identifies a biological source material and its stated preparation or plant part.
- Identity type from wording
- biological_material
This structure is derived only from the official label wording. It does not establish composition, concentration, chemical equivalence, safety or regulatory permission.
Official European Commission record
- CosIng substance ID
- 100199
- Entry status
- Active
- Published in the Official Journal
- Yes
- Recorded by the Commission
- 2023-05-23
Fields as published by the European Commission. The link opens the entry itself, not a search for it.
Inventory details for TRIMETHYLSILYL CELLULOSE
INCI name
TRIMETHYLSILYL CELLULOSE
Description
Trimethylsilyl Cellulose is Cellulose that has been modified by reaction of the hydroxyl groups on the cellulose with a silane to produce trimethylsiloxy groups.
Record provenance
- Inventory reference
- cosing-live-100199
- Imported identity
- TRIMETHYLSILYL CELLULOSE
- Source update
- 2023-05-23
Annex records for TRIMETHYLSILYL CELLULOSE
Key data
The CosIng inventory records no CAS number for this ingredient. That is the absence of an identifier in the source, not a finding about the substance.
- FILM FORMING
- Producing (upon application) a continuous film on the skin, hair or nails.
- HAIR FIXING
- Permitting physical control of hair style.
- HAIR WAVING OR STRAIGHTENING
- Modifying the chemical structure of the hair, allowing it to be set in the style required (permanent waves or hair straightening).
- UV ABSORBER
- Protecting the cosmetic product from the effects of UV-light.
- VISCOSITY CONTROLLING
- Increasing or decreasing the viscosity (thickness) of cosmetics.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How TRIMETHYLSILYL CELLULOSE appears in the CosIng inventory
The CosIng inventory lists TRIMETHYLSILYL CELLULOSE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
TRIMETHYLSILYL CELLULOSE is also tagged with 5 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for TRIMETHYLSILYL CELLULOSE
This page reproduces the CosIng inventory entry for TRIMETHYLSILYL CELLULOSE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research TRIMETHYLSILYL CELLULOSE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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