The ingredient, explained

Cera Microcristallina

A published safety assessment explicitly covers CERA MICROCRISTALLINA.

BindingEmulsion stabilisingOpacifyingViscosity controlling

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Ingredient guide

What it is and what it does

Microcristallina Cera Microcrystalline Wax -U.S.-

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.
Opacifying: Makes a product less transparent.
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 panel accepted the described historical cosmetic uses after reviewing animal and clinical toxicity data.

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. Purity, wax composition and historical use conditions limit generalization. The supplied CAS field contains concatenated identifiers; named INCI identity was used.

Sources for this summary. DOI 10.3109/10915818409010516 ↗

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.