Seeing hair growing on the arm in a dream indicates that he/she will soon get sick for some reason, achieve great success, earn big money, his/her business will decline, become stronger materially and spiritually, see new places and earn bread, resentments will be resolved.
Also, seeing hair growing on the arm in a dream indicates that he/she will wear himself/herself out a lot, enjoy every blessing, experience decline in business life, do things that will make him/her proud of himself/herself, have no important problems, suffer losses with every step he/she takes.
Psychologically seeing hair growing on the arm in a dream indicates that troubles will be overcome very successfully, be loved by everyone thanks to his/her good nature, always look ahead, go on a short-term vacation to evaluate some job offers he/she will receive, be very good at the job done and earn a lot of money. It indicates that you will have a position, your relationship will lead to marriage, you will have to struggle with many problems, something you have wanted for a long time will not come true despite great effort and hard work.