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    How Pimples Form

    How Pimples Form

    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.

    By Healthwise Staff
    Kathleen Romito, MD - Family Medicine
    E. Gregory Thompson, MD - Internal Medicine
    Last Revised January 23, 2013

    Last Revised: January 23, 2013

    Author: Healthwise Staff

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

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