How Pimples Form

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Pimple forming in a hair shaft

Pimples form when dead skin cells mix with excess oil (sebum). This mixture plugs the pore, causing swelling. Bacteria can grow in the mix and lead to infection and pus.

ByHealthwise Staff
Primary Medical Reviewer Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer E. Gregory Thompson, MD - Internal Medicine

Current as ofMarch 12, 2014

Current as of: March 12, 2014

Author: Healthwise Staff

Medical Review: Kathleen Romito, MD - Family Medicine & E. Gregory Thompson, MD - Internal Medicine