Phytonadione epoxide is an oxidized metabolite of vitamin K1 (phytonadione) sometimes included in topical skincare formulations marketed to support the appearance of bruises, dark circles, and visible capillaries. Clinical evidence for cosmetic efficacy is limited and largely extrapolated from topical vitamin K studies.
| Reported effect | How often | Notes |
|---|---|---|
Mild local irritation or stinging | Uncommon | Transient redness or burning at the application site, usually resolving on discontinuation. |
Allergic contact dermatitis | Rare | Vitamin K1 and its derivatives have been documented as contact sensitizers in case reports. |
Eczematous or delayed hypersensitivity reactions | Very rare | Persistent localized eczema following repeated topical exposure has been described for phytonadione preparations. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.