September 21, 2026

What Causes Dark Circles Under the Eyes

Dark circles are a common concern, but they do not always come from a lack of sleep. The skin around the eyes is especially delicate, and several factors can contribute to a darker, duller or more tired-looking appearance.

Understanding what may be causing them can help you choose a more suitable way to care for the area.

1. Pigmentation

For some people, dark circles are mainly related to pigmentation. Genetics can play a role, while repeated sun exposure may make the area appear darker over time.

A good daily skincare routine, including sun protection, is important for maintaining a more even-looking complexion. Gentle brightening and hydrating facial care may also help improve the overall appearance of the skin.

2. Thin, Delicate Skin

The skin around the eyes is naturally much thinner than the skin on the rest of the face. As we get older, the gradual reduction of collagen and elasticity can make the underlying blood vessels more visible, giving the area a darker or bluish appearance.

When this is accompanied by fine lines or a less firm appearance, RF Eye Treatment can be one non-invasive option to consider. Radiofrequency gently warms the targeted area and is commonly used to support collagen stimulation, helping the skin appear firmer and smoother.

3. Puffiness and Fluid Retention

Sometimes what looks like a dark circle is actually partly caused by puffiness and shadows. Fluid can accumulate around the eyes, particularly after waking, during periods of fatigue or after long hours of screen time.

A gentle facial lymphatic massage may help encourage fluid movement and reduce the appearance of temporary puffiness. At Kazehikaru, a light lymphatic approach can be incorporated when this is one of the main concerns.

4. Loss of Firmness and Fine Lines

As skin naturally changes with age, reduced collagen and elasticity can lead to fine lines and a softer, less defined appearance around the eyes. Changes in the surrounding tissues can also create shadows that make the area look darker.

For concerns related more to firmness and texture, RF can be a useful addition to a beauty routine. It is non-invasive and focuses on supporting the skin rather than dramatically changing your features.

5. Lifestyle and Fatigue

Of course, everyday habits can also affect how your eyes look. Lack of sleep, stress, dehydration and prolonged screen time may leave the area looking more tired and puffy.

While getting more rest will not necessarily remove genetically influenced dark circles, healthy habits can help your eyes look more refreshed. Staying hydrated, taking screen breaks, getting adequate sleep and applying sunscreen every day are simple steps worth maintaining.

Which Eye Treatment Is Right for You?

Dark circles can have more than one cause, which is why the same treatment may not be suitable for everyone. Pigmentation, visible blood vessels, puffiness, hollowness and loss of firmness can each create a different appearance.

At Kazehikaru, we take a gentle, non-invasive approach based on your skin’s condition and what you would like to improve. Depending on your concern, this may include RF Eye Treatment for the appearance of firmness and fine lines, or facial lymphatic massage when puffiness and fluid retention are more noticeable.