Hair follicles that are blocked by greasy creams, petroleum jelly, or similar
products are more vulnerable to
infection. Bacterial skin infections can be spread by shared cosmetics or washcloths, close human contact, or by contact with pus from a boil or carbuncle. Treatment includes antibiotics and incision and drainage and do not touch or pick them up. Also apply warm compresses on the lump. If however the symptoms persist then get lymphadenopathy or herpes ruled out from your doctor.