Mar 09, · Here’s our process. A skin infection occurs when parasites, fungi, or germs such as bacteria penetrate the skin and spread. When this happens, it can cause pain, swelling, other types of. Aug 09, · Staph infection on face is nothing but bacterial infection caused by the Staphylococcus bacteria on the facial skin (facial cellulitis). Staph infection on face should not be ignored as if it’s left untreated, it can be very dangerous as the bacteria can spread to the brain, causing meningitis or spread to the eyes, causing vision loss.