Snapshot
- Overview
- A synthetic vitamin K used to stabilize formulas, with some irritation risk.
- Category
- Antioxidant
- Type
- Antioxidant
Menadione
Menadione is a synthetic vitamin K analog (naphthoquinone) used in some cosmetics as an antioxidant stabilizer at low levels, though topical benefit evidence is limited and it carries a comparatively higher irritation risk.
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Our take
Is Menadione a Good Ingredient?
The topical antioxidant benefit is weakly supported, and it carries a relatively higher irritation and sensitization risk than better-studied vitamin K forms, which is why it rates Poor.
What it does
Skin Benefits
Intended to protect formulas and skin from oxidation, but evidence for topical skin benefits is limited and irritation can occur.
Where you'll find it
Uses in Skincare & Cosmetics
Occasionally used in creams or serums at low levels as a stabilizing antioxidant component, and often excluded from sensitive-skin formulations.
Before you use it
Safety
Can cause irritation or sensitization; avoid on compromised skin and discontinue if burning, itching, or rash occurs.
Products with Menadione
