Resistant balck head pimple on my face

Patient: Hi i have a black head pimple on my face near the lip, it has beeen there for years and it won’t come out,I try to pop it and only a little bit of white materia comes out but the area still looks like is full and dark, I do facials and clean my face often but it won’t disapear, I don’t know what else to do, please help me.