The skin just below the eyes reflects the kidneys. Dark circles are primarily from poor sleep, sadness or heavy metals as a result of weakening kidney health. Some individuals are also genetically prone to dark circles. Puffiness is caused by excess salt, alcohol, and many pain medications, all of which hurt the kidneys.

Also Beneficial

Emotional Well-Being Elixir
Sadness can create dark circles. This unique Elixir is very effective at improving your mood and calming fears.