The liquid in your pimples is known as pus. Pus is a mixture of dead skin cells, bacteria, and white blood cells that accumulate within the pimple. When you accidentally pop a pimple, the pressure causes the pus to be released along with a small amount of blood from the surrounding blood vessels.
Pus is the result of your body's immune response to an infection. When the hair follicles or pores become clogged with excess oil, dead skin cells, and bacteria, it can lead to inflammation and the formation of a pimple. Your immune system sends white blood cells to the area to combat the infection, causing the pus to accumulate.
It's important to note that popping pimples can lead to further inflammation, scarring, and potential bacterial...