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Keratosis pilaris (KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin. [1]) is a common, autosomal-dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh-like bumps, with varying degrees of reddening or inflammation. [2]
Every pore in your body has a tiny hair follicle, and the blockage causes the hair follicle to become irritated and inflamed, which ends up forming pimples; specifically acne mechanica. White blood cells flood the area of inflammation, and once they die, they accumulate on the surface of the pore, causing what is known as a "whitehead".
Folliculitis starts with the introduction of a skin pathogen to a hair follicle. Hair follicles can also be damaged by friction from clothing, an insect bite, [2] blockage of the follicle, shaving, or braids that are very tight and close to the scalp. The damaged follicles are then infected by Staphylococcus spp. Folliculitis can affect people ...
Lesions will occur in any body areas with hair follicles, [15] and/or sweat glands, [16] although areas such as the axilla, groin, and perineal region are more commonly involved. This theory includes most of these potential indicators: [17] Post-pubescent individuals [18] Blocked hair follicles or blocked apocrine sweat glands; Excessive sweating
Alopecia Areata. Alopecia areata is an autoimmune condition that affects about 2 percent of the population. It occurs when your immune system attacks your hair follicles. This can damage your ...
When you have too much sebum, it can clog hair follicles, potentially leading to scalp folliculitis. Ingrown hairs . Infected ingrown hairs are a type of folliculitis that may be present on the ...
Acne (/ˈækni/ ACK-nee), also known as acne vulgaris, is a long-term skin condition that occurs when dead skin cells and oil from the skin clog hair follicles. [10] Typical features of the condition include blackheads or whiteheads, pimples, oily skin, and possible scarring.
A comedo (plural comedones) is a clogged hair follicle (pore) in the skin. [2] Keratin (skin debris) combines with oil to block the follicle. [3] A comedo can be open (blackhead) or closed by skin (whitehead) and occur with or without acne. [3]