Ingrown hair is a condition where hair curls back or grows sideways into the skin. The ingrown hair condition is seen primarily among people having curly hair. It may or may not be accompanied by an infection of the hair follicle (folliculitis) or "razor bumps" (pseudofolliculitis barbae), which vary in size. While ingrown hair most commonly appears in areas where the skin is shaved or waxed (beard, legs, pubic region), it can appear anywhere.
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Ingrown hair is a condition where hair curls back or grows sideways into the skin. The ingrown hair condition is seen primarily among people having curly hair. It may or may not be accompanied by an infection of the hair follicle (folliculitis) or "razor bumps" (pseudofolliculitis barbae), which vary in size. While ingrown hair most commonly appears in areas where the skin is shaved or waxed (beard, legs, pubic region), it can appear anywhere.
Anything which causes the hair to be broken off short with a sharp tip can cause ingrown hair. Shaving is the leading cause, followed by waxing and tight clothing. The embedded hair causes a localized inflammation (sometimes painful) response in the skin with prostanoid involvement. Sometimes an ingrown hair occurs without external intervention, when the pore is blocked for various reasons, as is the case in keratosis pilaris, and the hair is forced to grow sideways.
Symptoms include rash, itching skin, hair which remains in spite of shaving,...
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