A social-media trend dubbed “ferritin face” has linked dark circles under the eyes with low iron stores, prompting doctors to warn that the appearance can sometimes indicate an underlying health issue. Experts say ferritin, a protein that stores and releases iron when needed, is relevant to iron status, but stress that under-eye darkness alone cannot diagnose a deficiency.

The article notes that dark circles are often treated as a cosmetic concern, yet they may warrant medical attention when accompanied by other symptoms or persistent changes. Doctors advise against assuming the cause from appearance alone, as low ferritin is only one possible explanation and proper testing is needed to assess iron stores.