DJ on Instagram: "A pimple begins when a pore in your skin gets clogged with dead skin cells and sebum, a natural oil produced by your body . Usually, oil helps keep skin soft, but an excess amount can mix with cells, creating a plug. This clogged pore becomes a perfect environment for bacteria to multiply, leading to inflammation—redness and swelling . As your immune system fights the bacteria, a pocket of pus forms, which is the visible white center of the pimple . The pimple eventually dies a