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The ingredient, explained

Eucalyptol

A primary study examines this ingredient in the specified preparation and setting.

DenaturantPerfumingTonic
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Ingredient guide

What it is and what it does

1‚3,3-Trimethyl-2-oxabicyclo[2.2.2]octane; 1‚8-Cineole

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

Denaturant
Makes a product unpalatable, often in alcohol-containing formulas.
Perfuming
A formulation role for perfume and aromatic raw materials that give a product its scent.
Tonic
Provides a pleasant sensation on skin or hair.

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 treatment study

Topical mixture improved plantar-fasciitis pain scores versus placebo over ten days.

What this does not tell us

Multi-ingredient analgesic with penetration enhancers, not isolated eucalyptol efficacy or ordinary cosmetic benefit.

Sources for this summary. PubMed 39085322 ↗

Research review checked Oct 1, 2026

Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.

Ingredient research is not proof that a product containing this ingredient works.

Read the 1 selected study

Follow the formula

Products containing this ingredient

All 4 products ↗

From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.

Names and identifiers

Registry identity

1‚3,3-Trimethyl-2-oxabicyclo[2.2.2]octane; 1‚8-Cineole

INCI name on ingredient lists
EUCALYPTOL
CAS registry number
470-82-6
EC number
207-431-5

Sources for this ingredient record