Under the Eyes: Dark Circles, Hollows, Puffiness or Thin Skin?

Four different problems can all look like dark circles. This guide separates color, shadow, bags and skin quality and explains why one treatment cannot fix everyone.

Eye Area · 2 min read · August 22, 2026

Written and medically reviewed by Dr. Yousef Abo Zarad · German board-certified dermatologist · Last reviewed: August 2026

The short answer

"Dark circles" describes a look, not a diagnosis. Behind it are four different problems: pigment, blood vessels or thin skin, a hollow that casts a shadow, or puffiness. Often more than one is present.

That is why no single treatment fits everyone: creams help color and skin, filler suits selected hollows only, and it can make puffiness worse.

Identify the dominant problem first

Brown or gray color: a pigment component.
Blue or purple tone: vascular visibility or thin skin.
Hollow and shadow: structural tear-trough or midface anatomy.
Puffiness or bags: forward volume, not a volume deficit that needs filling.

Creams treat color and skin more than structure

Topical products can help selected pigment, dryness or irritation, but they cannot reshape bone or reposition fat pads.

When filler is the wrong move

Chronic edema, prominent fat bags, very thin skin or a history of swelling after HA can make filler a poor choice. In this region, deciding not to inject can be the better treatment decision.

Devices and skin-quality injections are not magic

Lasers, tightening technologies and skin-quality injectables may improve selected components, but outcome depends on the underlying cause. A surgical problem does not become a superficial skin problem simply because a device exists.

Keep expectations realistic

Evidence for dark-circle treatments is less robust than for many medical dermatology conditions. Promises should therefore stay conservative and treatment should follow the dominant cause rather than a trend.

A simple test: is the problem color, shadow or puffiness?

If the dark circle clearly changes with the lighting or when the skin is gently stretched, shadow and structure may play a big part. If the color stays obvious, there may be a pigment or vascular component. And if puffiness dominates, adding volume under the eye can make the problem worse instead of solving it.

Often there is more than one cause at once, which is why Dr. Yousef does not like diagnosing dark circles from a single front-facing photo in poor light. The area needs to be seen from different angles, with facial expressions, and the eyelid and cheek assessed together.

If filler is not suitable

Sometimes supporting the midface is part of the assessment instead of injecting the tear trough directly. In other cases, skin care, treating pigment or vessels, or even a surgical assessment makes more sense.

The under-eye area does not reward excess. If the cause of the dark circle is unclear, do not start with injections.