“Cherry angiomas are harmless red bumps that can develop anywhere on the ... but most often show up on the legs and arms. What causes dermatofibromas: "They're often the result of an ingrown ...

It commonly appears on the arms, thighs, and cheeks ... Boils are painful, red bumps caused by bacterial infections in hair follicles or oil glands. They often develop in areas prone to friction ...

Keratosis pilaris on black skin may not appear as red or pink bumps. In some people ... In adults, the condition most often occurs on the upper arms, buttocks, and front of the thighs.