August 2020 in “Acta medica Iranica” Bumps on the face may be an early sign of a type of hair loss called frontal fibrosing alopecia.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
March 2004 in “Journal of Investigative Dermatology” Razor bumps are linked to a genetic variant, misoprostol helps erythromelalgia pain, steroid ointments don't affect skin rhythms, and certain antibodies are common in localized scleroderma.
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October 2002 in “International Journal of Dermatology” Trichostasis spinulosa causes itchy bumps on young adults' skin.