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Keratosis Pilaris

Common benign skin condition with small rough follicular papules typically on outer arms, thighs, and cheeks caused by keratin plugging of hair follicles.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Dermatoloji department. Book Appointment →

What is Keratosis Pilaris?

Keratosis pilaris (KP) is a very common benign autosomal dominant disorder of follicular keratinization characterized by hyperkeratotic plugs in hair follicles producing tiny rough papules with surrounding erythema giving a sandpaper-like texture.

Affects 50-80% of adolescents and 40% of adults with female predominance; commonly involves outer upper arms, anterior thighs, buttocks, and cheeks; associated with atopic dermatitis, ichthyosis vulgaris, and dry skin conditions.

Variants include keratosis pilaris rubra (with prominent erythema), keratosis pilaris atrophicans (with atrophy and follicle loss on cheeks and eyebrows), and ulerythema ophryogenes; tends to improve in summer and worsen in winter due to humidity changes.

Symptoms

Tiny rough flesh-colored or pinkish papules
Sandpaper-like skin texture
Common on outer upper arms, anterior thighs
Cheeks and buttocks involvement in some
Surrounding erythema variable
Worsens in winter, improves in humid summer
Generally asymptomatic with mild itch in some

Risk Factors

Family history (autosomal dominant inheritance)
Atopic dermatitis and dry skin conditions
Ichthyosis vulgaris and filaggrin gene mutations
Childhood and adolescence (peak prevalence)
Female sex (slight predominance)
Cold dry climates
Obesity and metabolic conditions

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Cosmetic concerns affecting self-image
  • Persistent or worsening lesions
  • Inflammatory or scarring variants
  • Diagnostic uncertainty distinguishing from acne or folliculitis
  • Failed home moisturizing measures
  • Associated atopic dermatitis flare-ups
  • Cheek involvement causing facial lesions

Treatment Methods

01
Daily generous moisturization with thick emollient creams
02
Keratolytics — urea 10-20%, salicylic acid 2-6%, lactic acid 12% creams
03
Alpha hydroxy acid (glycolic acid) creams or lotions
04
Topical retinoids (tretinoin, adapalene) for resistant cases
05
Gentle exfoliation with washcloth or chemical peels
06
Avoid harsh soaps and over-scrubbing
07
Laser hair removal for combined hair and follicular issues

Which Department to Visit?

You can visit our Dermatoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.