What to do if there is a small pimple in the coronary sulcus

Coronal groove appears small pimple, consider because personal hygiene habits are poor, foreskin is too long, there are local infections caused by balanitis, foreskin inflammation caused. Suggest first change bad hygiene habits, clean vulva with water every day, change underwear frequently, keep local dry clean, topical mupirocin ointment for symptom treatment.