Sun exposure is linked to the development of dark circles beneath the eyes. Melanin production can be triggered by sun exposure, leading to discoloration.
It doesn't matter if they have allergies or if they've had enough sleep, some people can't seem to escape the constant darkness.
Excessive rubbing of the eyes may result in blood vessel ruptures or pigment changes, both of which can contribute to the appearance of discoloration under the eyes.
Changes in complexion and lack of fullness linked with normal skin aging cause hollow-appearing shadows under the eyes.
A lack of sleep is one of the most common causes of dark circles. When you're tired, blood vessels near the skin's surface enlarge, resulting in dark rings.
Because pollen season has a tendency to hit you in the face, dark under-eye circles caused by allergies are sometimes referred to as allergy shiners.
When you are dehydrated, the skin around your eyes may appear dull or sunken, similar to the hollow appearance caused by volume loss.