'It was a physical game, they played hard,' he told MUTV.
'I heard one of the commentators say I kicked someone in the head on purpose, but it was a 50-50 duel and he pulled me down.
'Trust me, if I want to kick someone in the head, I know how to kick someone in the head and make him fall asleep. That is the only thing I have to say.'
Everton snatched a point at the death as Leighton Baines scored from the penalty spot after United substitute Marouane Fellaini conceded a penalty, cancelling out the No 9's brilliant opener.
'I got a fantastic ball from (Anthony) Martial, and I saw the goalkeeper coming out, so I tried to time it right,' Ibrahimovic added, reflecting on his goal.
'I scored today but it only gave us one point. I would prefer to win and not to score, that is my way of thinking.'