{"title":"NCBI Bookshelf — Acne Vulgaris","entity_type":"Source","slug":"ncbi-acne-vulgaris","canonical_url":"https://skinknowledgebase.com/sources/ncbi-acne-vulgaris","dates":{"date_modified":"2026-05-20","date_reviewed":"2026-05-20"},"mcp_eligible":true,"summary":"NCBI Bookshelf acne guidance describes acne as a pilosebaceous-unit disorder with multiple contributing factors, including stress association context.","evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"Does stress cause breakouts?","url":"https://skinknowledgebase.com/questions/does-stress-cause-breakouts"},{"title":"Does dairy cause acne?","url":"https://skinknowledgebase.com/questions/does-dairy-cause-acne"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Medical reference used for multi-factor acne pathophysiology and clinician-boundary context."]},{"heading":"What Studied","paragraphs":["Clinical reference chapter on acne vulgaris causes, presentation, contributing factors, and treatment overview."]},{"heading":"Main Findings","paragraphs":["Acne involves the pilosebaceous unit and multiple contributors, and the chapter notes psychological stress as associated with increased acne severity."]},{"heading":"Why It Matters","paragraphs":["It helps separate cosmetic routine advice from medical acne diagnosis, hormone evaluation, and treatment decisions."]}],"source_type":"medical_reference","original_source_url":"https://www.ncbi.nlm.nih.gov/books/NBK459173/"}