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How do clinical features vary in differing types of skin? Once healed, postinflammatory hyperpigmentation and scarring may occur.May coexist with, and be aggravated by eczema/ dermatitis.PFB may also occur in any site where hair is shaved or plucked, including the axilla, pubic area, and legs.Under the jawline is typical, a site where the hair follicles grow in various directions.Most often on the face and neck of men after shaving.An acne-like eruption presenting as ingrown hairs associated with flesh-coloured or red follicular papules.What are the clinical features of pseudofolliculitis barbae? The injured follicles are highly susceptible to infection, causing folliculitis barbae. This subsequently leads to a foreign body inflammatory reaction.
#RAZOR BURN TREATMENT SKIN#
Retract beneath the skin surface and pierce the follicular epithelium (intrafollicular).Piercing the skin surface (transfollicular).This often occurs due to close shaving, as cut hair results in a sharp pointed end and may re-enter by either: They may also occur in skin folds or scar tissue, allowing straight hair to re-enter. Razor bumps are thought to be caused by intrafollicular or transfollicular penetration of tight curly hair, often of coarse nature. It is associated with improper shaving technique and is more common with blade razor users compared to electric shavers. It can also affect women of all races, especially occurring in the groin. A study demonstrated that the presence of a single nucleotide substitution in the hair follicle companion layer-specific keratin (K6hf) is an additional risk factor. This is likely due to a greater prevalence of tightly curled, coarse hair in the African population. Although PFB can occur in men of all races, it predominantly affects men of African ancestry (approximately 45–80%).