Knowra Keratosis pilaris Keratosis pilaris Keratosis pilaris is a common skin condition in which keratin plugs hair follicles, producing small, rough bumps, often on the upper arms and thighs. It is harmless and may improve with age.
Keratin : A family of structural proteins that forms the outer layer of skin, as well as hair and nails. Excess keratin accumulates around follicular openings in this condition.
Moisturizer : A topical product that hydrates skin and reduces water loss from its surface. Regular hydration can soften the dry, rough skin associated with the bumps.
Acne vulgaris : A chronic inflammatory skin condition involving clogged pores, pimples, and sometimes deeper lesions. Unlike keratosis pilaris, acne commonly causes inflamed lesions and comedones.
Dermatology : The medical specialty concerned with skin, hair, and nails. Dermatologists distinguish this common condition from other follicular eruptions.
Hair follicle : A skin structure that surrounds the hair root and produces a hair shaft. Keratin plugs form at the openings of these structures.
Lactic acid : An alpha hydroxy acid used in skin care as a humectant and chemical exfoliant. It can smooth rough patches by loosening surface cells.
Folliculitis : Inflammation of hair follicles, often producing red bumps or pustules. Redness, tenderness, or pus suggests folliculitis rather than simple keratin plugs.
Physical examination : The inspection and assessment of the body by a health professional. Diagnosis usually relies on the appearance and distribution of the bumps.
Follicular hyperkeratosis : Excess keratinization that produces plugs or thickening around hair follicles. It describes the process responsible for keratosis pilaris bumps.
Urea : A naturally occurring skin component used in topical products to hydrate and soften thickened skin. Urea-containing creams can soften keratin buildup and relieve roughness.
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