Razor bumps, also called pseudofolliculitis barbae, are small, irritated bumps on the skin. They develop after shaving, when strands of hair curl back on themselves and grow into the skin. Razor bumps cause irritation and the development of pimples. They also may cause scarring.

Razor bumps are common among African-Americans and people with tightly coiled hair. Razor bumps tend to be more of a problem for men than women, because many men shave daily.