Dream about putting on hair is a message for aspects of your subconscious. There is something in your life that you are struggling with. You are still in the process of digesting certain concepts that you have learned in your life. This dream is a clue for your quest for objectivity over subjectivity. You need to be more accommodating to others.
Putting on hair dream is sometimes protection. You need to clear your mind and free yourself of certain emotions that are weighing you down. You need to carry away and let go of some unfinished issues. This signifies how much control you have over the direction of your life. An old lover may come back into the picture.
If you dreamt about putting on hair:
You are in a very vulnerable position right now and someone is likely to take advantage of you if you let them. Since you are so good at going with the flow, others have a way of turning you into their puppet if you are not mindful of the circumstances.