Vitamin K in Skincare
Vitamin K in Skincare — a fat-soluble vitamin, most often used topically as phytonadione, that is studied for its role in skin recovery and its traditional association with the appearance of bruising and under-eye discoloration. Evidence for its topical benefits is more limited than for vitamins C and E.
Key points
- Vitamin K plays a known role in the body's blood-clotting processes, which informs interest in its topical use.
- In skincare it is most often explored for the look of dark under-eye circles and post-procedure bruising.
- Topical evidence is limited and less robust than for better-studied antioxidants.
- It is typically found in eye creams and targeted post-treatment formulations.
Frequently asked
Does vitamin K help with dark circles?
Some products use vitamin K for the appearance of under-eye circles, but scientific evidence for topical benefits is limited and results vary from person to person.
Is topical vitamin K safe to use?
Topical vitamin K is generally considered well tolerated in cosmetic products, though anyone with medical concerns should consult a healthcare professional before use.
Related topics
This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.
