You can carefully recall the density and length of those hairs in your dream. The longer and denser the hair, the harder it is to stop; On the contrary, the easier it is, the less.
In short, this dream is to tell you that if you encounter obstacles in this matter or thing you are currently experiencing, don't lose heart, carefully analyze your situation and think about how to eliminate all difficulties; As long as you pluck hair and swallow rice, you will get benefits in the end.