---
title: JCAD — Periorbital Hyperpigmentation Review
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/jcad-periorbital-hyperpigmentation-review
date_modified: 2026-05-11
date_reviewed: 2026-05-11
mcp_eligible: true
source_type: peer_reviewed
original_source_url: https://jcadonline.com/periorbital-hyperpigmentation-a-comprehensive-review/
evidence_sources: []
product_fact_sources: []
---

# JCAD — Periorbital Hyperpigmentation Review

## Quick Summary

A peer-reviewed review explaining dark-circle terminology and subtype patterns: pigmented, vascular, structural, and mixed.

## What Studied

A comprehensive review of periorbital hyperpigmentation and dark-circle causes.

## Main Findings

The review describes pigmented, vascular, structural, and mixed patterns and lists many contributing factors.

## Why It Matters

This is the main technical anchor for explaining why dark circles are not one single cosmetic problem.

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