The ingredient, explained

Farnesol

Farnesol has published research relevant to the stated experimental context.

DeodorantPerfuming

Explore connections

Ingredient guide

What it is and what it does

2‚6,10-Dodecatrien-1-ol, 3‚7,11-trimethyl-

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

Deodorant: Helps reduce or mask unwanted body odour.
Perfuming: A formulation role for perfume and aromatic raw materials that give a product its scent.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗ · Danish Environmental Protection Agency: Cosmetic fragrance functions ↗

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 research

Seven days of topical farnesol did not significantly change microbiome richness, beta diversity or core taxa in 15 dermatitis patients and 15 healthy controls.

What this does not tell us

Small short study evaluates microbiome composition, not long-term dermatitis efficacy or every farnesol concentration.

Sources for this summary. PubMed 41373884 ↗

Research review checked Oct 1, 2026

Selective exact-identity review of 2 supplied local candidates and the targeted primary-source search recorded below. Bounded review, not a systematic search.