Look in the mirror and gently pull the skin under your eye downward with your index finger to get a rough idea of the cause.
- Pigment type: If the color does not lighten when you pull the skin and remains the same, it is due to melanin pigment deposition (usually caused by frequent eye rubbing).
- Vascular type: If the skin flattens when pulled and a red or blue tone becomes more pronounced, blood vessels are showing through thin skin.
- Structural type: If pulling the skin smooths out the unevenness under the eye and the dark shadow disappears, it is caused by protruding under-eye fat or, conversely, by sunken bones and malar fat. In reality, a 'mixed type' with these causes combined is the most common, so it is advisable to plan a comprehensive, customized treatment through a consultation.





