Enlarged Pores

Oily or unclean skin affect oil to sit around the pores which in return making them look bigger because of thick skin around them , genetics also effects in this matter.
Sun damage and reduction of collagen as we age older increase the size of the pores as cells build around the pore in which make pores more expose.
Pores has important role in terms of keeping the skin elastin and bringing oil and sweat out to the surface of the skin.