At puberty, the hormones stimulate the sebaceous glands into generating more sebum, an oily substance that waterproofs and protects the skin and hair. However, sebum is also involved in the formation of acne, although the exact mechanism is not understood. It is believed that the pores become clogged with sebum, bacteria and dead skin cells, and that bacterial attack of this oily mass causes it to become infected. Your immune system reacts to the bacteria, and the pus is formed by dead white blood cells that succumbed during the fight with the bacteria. The immune system's inflammatory response causes the redness and inflammation.
Inflamed skin is characterized by redness, warmth, swelling and discomfort. It occurs due to the immune system of the body that acts to get rid of a foreign element.
Regular exercise promotes stress reduction and enhances blood circulation, as well as increasing oxygen supply to the skin, thus aiding in the prevention of acne.
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