The ingredient, explained

Methylcellulose

A published safety assessment explicitly covers METHYLCELLULOSE.

BindingEmulsion stabilisingStabilisingViscosity controlling

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Ingredient guide

What it is and what it does

Cellulose, methyl ether

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Binding: Helps the components of a product hold together.
Emulsion stabilising: Helps keep an emulsion from separating.
Stabilising: Helps maintain the stability of ingredients or the finished formula.
Viscosity controlling: Adjusts how thick or fluid a product is.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Safety assessment

The historical panel evaluated toxicology, irritation and sensitization supporting the assessed cosmetic-use conditions.

What this does not tell us

Published safety assessment, not an efficacy trial. Its conclusion is limited to the reported cosmetic uses and concentrations, and relies partly on group read-across where individual data are missing. It does not establish current regulatory status or guarantee tolerance for every formulation. Hydroxypropyl methylcellulose nasal trials concern a different derivative and are excluded.

Sources for this summary. DOI 10.3109/10915818609141925 ↗

Research review checked Oct 1, 2026

Read exact local candidate abstracts first; select identity-relevant papers; targeted primary PubMed/publisher searches. This is not an exhaustive systematic review.