The ingredient, explained

Hydrogen Peroxide

Hydrogen Peroxide has published research relevant to the stated experimental context.

AntimicrobialOxidising

Explore connections

Ingredient guide

What it is and what it does

Hydrogen peroxide

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

Antimicrobial: A technical role associated with controlling microorganisms on skin.
Oxidising: Chemically changes another material through oxidation.

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

Human topical treatment study

Hydrogen peroxide cleared or nearly cleared more lesions than vehicle; complete clearance of all four lesions remained uncommon. Local reactions were mostly mild and resolved by day 106.

What this does not tell us

High-concentration medical lesion treatment under a specific application protocol. It does not establish benefits or tolerance for everyday peroxide cosmetics; the optimal number of sessions was not studied.

Sources for this summary. PubMed 29864467 ↗

Research review checked Oct 1, 2026

Selective exact-identity review of 10 supplied local candidates and the targeted primary-source search recorded below. Bounded review, not a systematic search.