Thank for asking to HCM
This is could be folliculitis
that's happens due to shaving, proper care and treatment givens the good result, conservative line of treatment would be best and that includes, "Tab Ibuprofen
400 mg three times in day, apply Povidone
ointment, hygienic care is important, nothing to worry about this, it would come around, hope this information helps you, have a nice day.