The ingredient, explained
Menadione
1‚4-Naphthalenedione, 2-methyl-; Vitamin K3
Ingredient guide
What it is and what it does
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Masking
- Reduces or conceals the formula's underlying odour or taste.
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
Local paper uses menadione solely as an oxidative-stress challenge to test glutathione precursors, not a beneficial ingredient intervention. Feed assessments concern distinct bisulphite salts; excluded. Bounded screen does not imply no menadione toxicology exists.
Research review checked Oct 1, 2026
Bounded local and exact-name indexed primary source search; absence is not proof of no research.
Ingredient research is not proof that a product containing this ingredient works.
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
- INCI name on ingredient lists
- MENADIONE
- CAS registry number
- 58-27-5
- EC number
- 200-372-6
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026