Medical dermatology
Keratosis Pilaris
Those small, rough bumps on your arms or thighs — keratosis pilaris is harmless but highly treatable with the right moisturizers and prescription therapy.
Why Does Keratosis Pilaris Happen?
KP results from excess keratin production that clogs hair follicles. It is genetic (runs in families) and associated with dry skin, atopic dermatitis, and ichthyosis vulgaris. It tends to worsen in winter (dry air) and improve in summer.
Treatment & Skin Care
First-Line: Keratolytics
- Lactic acid 12% (AmLactin) — humectant + keratolytic; highly effective
- Urea 10–20% — softens keratin plugs
- Salicylic acid 2–6% wash or lotion
- Glycolic acid 5–12% — chemical exfoliant
Apply after showering to damp skin, daily or twice daily. Avoid harsh scrubbing — it worsens inflammation.
Second-Line: Prescription Retinoids
Tretinoin or adapalene gel applied nightly accelerates follicular turnover and smooths texture. May cause initial irritation — start with low frequency.
Additional Options
- Vaniqa (eflornithine) for KP on the face
- In-office chemical peels for accelerated improvement
- Laser therapy for persistent erythema (KP rubra)
Realistic Expectations
KP responds to treatment but requires ongoing maintenance — it typically returns when treatment is stopped. Most patients achieve 60–80% improvement with consistent use of keratolytics.
Frequently asked questions
Will keratosis pilaris go away on its own?
Most insurance plans cover medical dermatology procedures. Contact us to verify your benefits.
Trusted sources
This page is educational. Specific treatment decisions are made during your visit with Dr. Puyana.
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