Detailed answer

To prevent blackheads on the legs, it is important to exfoliate the skin regularly to remove dead skin cells and unclog the pores. Using a gentle scrub or exfoliating brush can help in this process. It is also essential to keep the skin clean by washing it with a mild cleanser. Avoid using harsh soaps or products that can strip the skin's natural oils, as this can lead to increased oil production and clogged pores. Additionally, wearing loose-fitting clothing made of breathable fabrics can help reduce friction and sweat, which can contribute to blackheads. Lastly, moisturizing the legs with a non-comedogenic lotion can help maintain the skin's hydration levels and prevent excessive oil production. If blackheads persist or worsen, it is recommended to consult a dermatologist for further evaluation and treatment options.