mineral oil for baby's ear??

Ok so my son's doc said that he has wax blockage in his ears which may be causing him disturbance. She told to use mineral oil 1 drop in each ear. I forgot to ask her which mineral oil and I went to cvs they showed me mineral oil which I refused to take assuming that there might be special one for babies. I can't find any clear information on the internet. Any idea what type of oil I have to use? Regular mineral oil ? Or any particular brand mineral oil??