How to identify and treat the three main types of dark circles

A dark circle is not a dark circle. Beneath this single term lie at least three very different realities, with neither the same cause nor the same solution.

Applying the same cream to all dark circles is like giving the same medicine for all fevers. Before choosing a treatment, you need to know what type you're dealing with—and accept that some require a dermatologist, not a bottle.

Identifying the type of dark circle is already half the battle.

Three dark circles, three origins

Sarkar et al.'s review and Huang et al.'s classification distinguish three main mechanisms. Pigmented dark circles are brown: this is an excess of melanin in skin that is often darker or marked by the sun. Vascular dark circles are bluish or purplish: the eyelid skin is so thin that the underlying venous network shows through. Structural dark circles, finally, are not a color but a shadow: a hollow under the eye — the tear trough — which forms with volume loss and sagging. Huang et al. have also shown that the vast majority of cases are mixed, combining several of these components.

Recognizing your type at home

A simple test guides the diagnosis. Gently stretch the skin under the eye: if the brown tint persists, the component is pigmented; if it fades significantly, it is vascular. Tilt your head towards a strong light: if the shadow deepens or disappears depending on the angle, a structural hollow is the cause. This home assessment is not definitive, but it avoids the most common mistake — treating pigmentation with caffeine, or an anatomical hollow with a brightener.

What responds to what

For pigmented dark circles, vitamin C is the best documented: Ohshima et al. showed a measurable improvement in lower eyelid dark circles; it inhibits melanogenesis and thickens the dermis. Niacinamide complements it. For vascular dark circles, caffeine is the active ingredient of choice: a vasoconstrictor, it reduces stasis and the bluish appearance, often combined with vitamin K. Retinoids, meanwhile, progressively thicken overly thin skin, which helps both components. But their effect remains modest and slow: we're talking weeks to months, not days.

Where cream reaches its limits

A topical treatment acts on color, not on relief. When the dark circle is structural — a true hollow due to fat loss and sagging — no cream will fill the shadow. Effective options then fall under medical procedures: hyaluronic acid injected into the tear trough, sometimes eyelid surgery for bags. This is where honesty is paramount: promising a hollow dark circle that a cream will "fill" it is false. The right reflex is a dermatological consultation to assess the volume.

Demystifying marketing promises

"Disappearance in seven days," "immediate lifting effect": these formulas sell hope, not science. A pigmentary active ingredient takes several weeks to act, as reviews on periorbital hyperpigmentation remind us. Hydration and a little caffeine can decongest and temporarily fade, which explains the "healthy glow" effect in the morning — but this is not a fundamental treatment. Distinguishing between a fleeting radiance boost and a lasting result protects against disappointments.

The Paradermia approach

Our pharmacist always starts with the same question: what kind of dark circle are we talking about? Pigmented, vascular, structural, or mixed. From this answer comes the right active ingredient — vitamin C, caffeine, retinoid — or, sometimes, an honest referral to a dermatologist when the issue is anatomical. No universal promise: targeted care, realistic expectations, and the courage to say when a cream won't be enough.

Frequently asked questions

How do I know if my dark circle is pigmented or vascular?
Stretch the skin under your eye: if the brown tint persists, the dark circle is pigmented; if it fades and turns bluish, it is vascular.

Does caffeine make dark circles disappear?
It mainly helps vascular dark circles by reducing the bluish appearance and congestion. Its effect is weak on pigmented dark circles or structural hollows.

When should I consult a dermatologist?
When the dark circle is a hollow that deepens depending on the light: no cream can fill lost volume, only a medical procedure like hyaluronic acid can.