---
title: NCBI Bookshelf — Acne Vulgaris
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/ncbi-acne-vulgaris
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.
source_type: medical_reference
original_source_url: https://www.ncbi.nlm.nih.gov/books/NBK459173/
evidence_sources: []
product_fact_sources: []
---

# NCBI Bookshelf — Acne Vulgaris

## Quick Summary

Medical reference used for multi-factor acne pathophysiology and clinician-boundary context.

## What Studied

Clinical reference chapter on acne vulgaris causes, presentation, contributing factors, and treatment overview.

## Main Findings

Acne involves the pilosebaceous unit and multiple contributors, and the chapter notes psychological stress as associated with increased acne severity.

## Why It Matters

It helps separate cosmetic routine advice from medical acne diagnosis, hormone evaluation, and treatment decisions.

## Related Entities

- [Does stress cause breakouts?](https://skinknowledgebase.com/questions/does-stress-cause-breakouts)
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