Vitamin K and Your Skin

Vitamin K has long been known for its biological importance in terms of coagulation and wound healing properties. Often mentioned in terms of cosmetic creams, dermatology research may yet substantiate using vitamin K for cosmetic purposes.^(1, 107)

Currently, however, there is very little independent research to back most of the commercial claims around vitamin K. This does not necessarily mean that these companies are being dishonest. When vitamin K is a cosmetic ingredient as opposed to a pharmaceutical or drug, proof isn't required to back a claim leading to open ended suggestions about the uses of vitamin K.⁽¹¹⁰⁾

Clinical Evidence

So what evidence is there that supports vitamin K's skin care benefits? Although most reports are only anecdotal or theoretical, there have been a few small studies in the following areas:^{(108, 109, 111)}

• Bruising and Purpura
• Under-Eye Dark Circles

In a couple of the clinical studies for treating dark circles under the eyes, researchers found some benefit in reducing the appearance of wrinkles as well.^(108, 109)