What causes pimples on the lap/leg?

Its probably Keritosis pilares-Hope I spelled it right. Build up of keratin made of protein on the skin to protect it. Very common, some cause stuff rubbing clothes ect. On the skin. Amalactin lotion with lactic acid in it can help. read more

Dead skin, clogged pores and bacteria. The same things that cause pimples on other parts of the body. read more

Acne is a broad term that describes a variety of conditions that can appear on the skin. It arises mostly on the face and back, but can appear almost anywhere you have an oil-producing gland, including the legs. read more

Pimples on legs: Introduction. Pimples on legs: also known acne, the inflammatory process varies from a papule, pustule to a nodule. See detailed information below for a list of 23 causes of Pimples on legs, Symptom Checker, including diseases and drug side effect causes. read more