{"title":"JCAD — Periorbital Hyperpigmentation Review","entity_type":"Source","slug":"jcad-periorbital-hyperpigmentation-review","canonical_url":"https://skinknowledgebase.com/sources/jcad-periorbital-hyperpigmentation-review","dates":{"date_modified":"2026-05-11","date_reviewed":"2026-05-11"},"mcp_eligible":true,"evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"Haloxyl","url":"https://skinknowledgebase.com/ingredients/haloxyl"},{"title":"Dark Circles","url":"https://skinknowledgebase.com/concerns/dark-circles"},{"title":"How do I get rid of dark circles under my eyes?","url":"https://skinknowledgebase.com/questions/how-do-i-get-rid-of-dark-circles-under-my-eyes"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["A peer-reviewed review explaining dark-circle terminology and subtype patterns: pigmented, vascular, structural, and mixed."]},{"heading":"What Studied","paragraphs":["A comprehensive review of periorbital hyperpigmentation and dark-circle causes."]},{"heading":"Main Findings","paragraphs":["The review describes pigmented, vascular, structural, and mixed patterns and lists many contributing factors."]},{"heading":"Why It Matters","paragraphs":["This is the main technical anchor for explaining why dark circles are not one single cosmetic problem."]}],"source_type":"peer_reviewed","original_source_url":"https://jcadonline.com/periorbital-hyperpigmentation-a-comprehensive-review/"}