Black pimples on the skin are usually caused by clogged pores that trap oil, dead skin cells, and bacteria. Over time, the trapped material can darken due to exposure to air, creating small black or dark spots that look like tiny pimples. These commonly appear on areas like the face, back, chest, shoulders, and buttocks.

Several factors can increase the risk of black pimples, including sweat, tight clothing, oily skin, hormonal changes, and poor hygiene after workouts. In many cases, friction from clothing or backpacks can irritate the skin and worsen the condition. While they may look similar to regular acne, black pimples can also be a sign of other skin issues like folliculitis or clogged hair follicles.

To treat black pimples, it’s important to keep the skin clean and dry. Using a gentle body wash with salicylic acid or benzoyl peroxide can help unclog pores and reduce inflammation. Wearing breathable fabrics, showering after sweating, and avoiding heavy lotions or oils can also prevent new pimples from forming. If the condition persists or becomes painful, it’s best to consult a dermatologist for proper diagnosis and treatment.