Dark circles under the eyes are caused by a very specific physiological mechanism. If you're interested in biology and/or science, you may be interested in learning more about this process behind dark under-eye circles.
Most people are more interested in why they have dark circles. They don't care so much about oxidizing hemoglobin - they're more interested in learning more about hormonal causes or the link between allergies and dark circles. If that describes you, learn more about the causes of dark circles under the eyes.
Most people are more interested in why they have dark circles. They don't care so much about oxidizing hemoglobin - they're more interested in learning more about hormonal causes or the link between allergies and dark circles. If that describes you, learn more about the causes of dark circles under the eyes.
