{"title":"DermNet — Postinflammatory hyperpigmentation","entity_type":"Source","slug":"dermnet-postinflammatory-hyperpigmentation","canonical_url":"https://skinknowledgebase.com/sources/dermnet-postinflammatory-hyperpigmentation","dates":{"date_modified":"2026-05-11","date_reviewed":"2026-05-11"},"mcp_eligible":true,"evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"TRUE Serums EGF Serum","url":"https://skinknowledgebase.com/products/true-serums-egf-serum"},{"title":"Dark Spots from Acne","url":"https://skinknowledgebase.com/concerns/dark-spots-from-acne"},{"title":"How do I fade dark spots left from acne?","url":"https://skinknowledgebase.com/questions/how-do-i-fade-dark-acne-scars"},{"title":"Facial Hyperpigmentation","url":"https://skinknowledgebase.com/concerns/facial-hyperpigmentation"},{"title":"How do I fade dark patches on my face?","url":"https://skinknowledgebase.com/questions/how-do-i-fade-dark-patches-on-my-face"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["DermNet reference defining PIH and explaining why inflammation can leave pigment behind."]},{"heading":"What Studied","paragraphs":["Dermatology reference on postinflammatory hyperpigmentation."]},{"heading":"Main Findings","paragraphs":["The page explains pigment change after inflammation and supports acne-trigger context."]},{"heading":"Why It Matters","paragraphs":["This source anchors the Dark Spots from Acne Concern definition."]}],"source_type":"medical_reference","original_source_url":"https://dermnetnz.org/topics/postinflammatory-hyperpigmentation"}