Vitamin K1 is the reputed dark circle fighter. It has the ability to constrict the blood vessels that are causing darkness (mostly under the eyes). It can also help fight wrinkles and create more elastic skin because of its ability to promote cell turnover.
Solution: Fat Soluble
- Phylloquinone or Phytomenadione or Phytonadione: Any of these names can pop up on the ingredients list for Vitamin K dark circle fighters. Keep an eye out for them.