Keratosis Pilaris: Why Those Red Bumps Appear on Your Upper Arms

If you have persistent red, dry bumps on the back of your upper arms, it's likely keratosis pilaris—a common, harmless skin condition.

Keratosis pilaris happens when excess keratin, a natural skin protein, builds up around hair follicles, creating small, rough bumps and reddish patches.

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Most Common on Upper Arms

Studies suggest around 40% of people deal with keratosis pilaris, primarily on the backs of the upper arms, but it can also affect thighs, buttocks, back, or cheeks. It's more prevalent in those with allergies or eczema.

How to Manage Keratosis Pilaris

KP isn't dangerous or something to feel self-conscious about, though the bumpy texture can be bothersome. It can't be fully cured, but targeted skincare routines can smooth and reduce its appearance significantly.

1. Use gentle exfoliants like salicylic acid or AHAs/BHAs to unclog follicles.
2. Opt for KP-specific products, such as Paula's Choice cream.
3. Gently exfoliate with a soft washcloth or mild scrub if it suits your skin—avoid harsh scrubbing to prevent irritation.
4. Moisturize frequently after showering, using richer creams to combat dryness.
5. Resist scratching bumps or dry spots.
6. See a dermatologist for tailored recommendations.

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