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A normal functioning pore produces a normal amount of sebum from the sebaceous glands to reach out to the surface of the skin to form a protective, healthy barrier over the skin. When the sebaceous glands produce large volumes of sebum, the pore is forced to stretch to release the sebum. |
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This stretching activity causes damages on the tissues along the follicle. |
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In normal circumstance, the stretched pore will rebound to its original size, where the enlarged pore will shrink as the connective tissues begin replacing the damaged tissues. |
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When there is insufficient connective tissue synthesized and replaced, the over-stretch pores will remain open and visible. |
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Connective tissues are the structural portions of our body that essentially hold the cells together. It comprises of two major structural protein molecules; collagen and elastin. |
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There are few factors that may cause insufficient connective tissues: |
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It is part of the aging process; after the age of 20, we lose about 2% of our collagen every year. |
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Prolonged sun exposure or UV (ultraviolet) radiation will break down the elastin and collagen and interfere with the production of new collagen. |
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Free radicals’ damages include over-degradation of collagen and elastin. |
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Large pores tend to be prominent in the oiliest areas which have more sebaceous glands, especially on the facial T-zone (the sides of the nose, the forehead and the chin). |
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Excessive sebum production normally occurs on oily and combination skin, accompanied by skin problems such as large pores, clogged pores, blackheads and acne. |