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</a><h1 class="with-also" itemprop="name">Keratosis pilaris</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Keratosis pilaris is a common skin condition in which a protein in the skin called keratin forms hard plugs within hair follicles.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Causes</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>Keratosis pilaris is harmless (<a test="test" href="./002236.htm">benign</a>). It seems to run in families. It is more common in people who have very dry skin, or who have <a test="test" href="./000853.htm">atopic dermatitis</a> (eczema).</p><p>The condition is generally worse in winter and often clears in the summer.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>Symptoms may include:</p><ul><li>Small bumps that look like "goose bumps" on the back of the upper arms and thighs</li><li>Bumps feel like very rough sandpaper</li><li>Skin-colored bumps are the size of a grain of sand</li><li>Slight pinkness may be seen around some bumps</li><li>Bumps may appear on the face and be mistaken for acne </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>Your health care provider can usually diagnose this condition by looking at your skin. Tests are often not needed. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>Treatment may include: </p><ul><li>Moisturizing lotions to soothe the skin and help it look better</li><li>Skin creams that contain urea, lactic acid, glycolic acid, salicylic acid, tretinoin, or vitamin D</li><li>Steroid creams to reduce redness</li></ul><p>Improvement often takes months, and the bumps are likely to come back if you stop using the medicine.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>Keratosis pilaris may fade slowly with age.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>When to Contact a Medical Professional</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>Contact your provider if the bumps are bothersome and do not get better with lotions you buy without a prescription. </p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/2523t.jpg" alt="Keratosis pilaris on the cheek" title="Keratosis pilaris on the cheek" class="side-img"/><a href="../imagepages/2523.htm">Keratosis pilaris on the cheek</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/2693t.jpg" alt="Keratosis pilaris rubra faceii" title="Keratosis pilaris rubra faceii" class="side-img"/><a href="../imagepages/2693.htm">Keratosis pilaris rubra faceii</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/2694t.jpg" alt="Keratosis pilaris rubra faceii" title="Keratosis pilaris rubra faceii" class="side-img"/><a href="../imagepages/2694.htm">Keratosis pilaris rubra faceii</a></li>
</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Bell MA, Grossberg AL. Keratosis pilaris and variants. In: Lebwohl MG, Heymann WR, Coulson IH, Murell DF, eds. <em>Treatment of Skin Disease</em>. 6th ed. Philadelphia, PA: Elsevier; 2022:chap 125.</p><p>Patterson JW. Diseases of cutaneous appendages. In: Patterson JW, ed. <em>Weedon's Skin Pathology</em>. 5th ed. Philadelphia, PA: Elsevier; 2021:chap 16.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 10/11/2023</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Elika Hoss, MD, Assistant Professor of Dermatology, Mayo Clinic, Scottsdale, AZ. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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