Where Does Keratosis Pilaris Appear?

Keratosis pilaris is a common long-term (chronic) skin condition. It causes small, scaly bumps on the skin where there are hair follicles. The bumps can appear on the upper arms, thighs, and buttocks. They can also appear on the cheeks and on the sides of the body.

Can keratosis pilaris appear anywhere?

Keratosis pilaris is a common, harmless skin condition that causes small bumps to appear on the skin. These bumps can appear anywhere, but they're often found on the upper arms and thighs. Some people have so many bumps that they extend onto the forearms or lower legs.

What triggers keratosis pilaris?

Keratosis pilaris develops when keratin forms a scaly plug that blocks the opening of the hair follicle. Usually plugs form in many hair follicles, causing patches of rough, bumpy skin. Keratosis pilaris is caused by the buildup of keratin — a hard protein that protects skin from harmful substances and infection.