Dark Under-Eye Circles: Causes & Solutions

Dark circles under the eyes are a common concern—whether you wear glasses or not. Puffy eyes, redness, and that baggy appearance bother many of us. But what actually causes them, and what can you do about it?

Why Dark Circles Appear

Dark circles don't care about your age, gender, or the season. They can be genetic—passed down through your family. But they often signal something else: stress, poor sleep, vitamin deficiencies, or simply not drinking enough water. The paler your skin, the more pronounced dark circles become, and usually, the stronger the urge to fix them.

Blue or Brown?

Under-eye circles come in two main types. Around your eyes run countless tiny blood vessels, normally invisible. When these vessels dilate beneath thin skin, they show through as a blue or purple tint. This happens with swelling, and a caffeine-based eye cream can help reduce it.

If your circles look more brown or you have dark rings around your eyes, you're dealing with hyperpigmentation. This can signal inflammation or an allergy and often responds well to vitamin C and niacinamide treatments.

Could It Be Genetic?

Not every case of dark circles comes from chronic fatigue, vitamin shortages, too much alcohol, or sleepless nights. Sometimes it's simply genetics—your skin naturally produces more pigment in that area, creating darker circles.

Vitamin K is one of the most effective tools here. Many nutrients your eye area needs come from real food: leafy greens, vegetables, and plants. Look for vitamin K in cabbage, potatoes, cucumber, coriander, asparagus, and aloe. You'll also find it in soy and rapeseed oil. Regular masks, eating these foods, and a targeted vitamin course typically show results quickly.

Allergies, Dehydration & Stress

Dark, puffy, baggy eyes often point to specific lifestyle issues: too little sleep, excessive alcohol, and—critically—not enough water, especially plain drinking water. Chronic stress and worry play a role too. Even sleeping on your side all night can contribute.

But dark circles can also signal allergies, high blood pressure, iron or zinc deficiency, liver or kidney issues, or metabolic problems. It's worth speaking to your GP to rule out underlying causes.

Moisturise & Protect

The skin around your eyes is delicate and extremely sensitive to hydration. Start with a good-quality, age-appropriate eye cream—a dab the size of a pea is enough. This applies to everyone: men and women alike often overlook the eye area.

Because this skin is thinner, pigment shows through more easily and blood vessels are more visible. Proper hydration is essential. Combined with adequate sleep, reduced stress, and enough water intake, a solid skincare routine can make a real difference.

If dark circles persist despite these changes, or if they're new, check with your doctor. Sometimes they're just how you're built—and that's fine too.