Dreaming about your hair can symbolize your self-image, confidence, and how you present yourself to others. The act of putting your hair up and it looking great suggests that you are trying to showcase your best self or achieve a certain level of success or attractiveness in your waking life. However, the fact that it kept falling could indicate feelings of insecurity or the fear that your efforts to maintain a certain image or status are not sustainable.

The color change from brown to blonde may also hold significance. Blonde hair can symbolize a desire for attention or a shift towards a more lively or carefree aspect of your personality. It might suggest that you are exploring new opportunities or ways of expressing yourself, but the falling hairstyle could imply that you are unsure of how to maintain this new direction or that you fear it may not last.

Overall, this dream may reflect your current feelings about self-presentation and the challenges you face in maintaining your desired image. Consider reflecting on areas in your life where you might feel pressure to conform or maintain a certain appearance, and think about how you can embrace your authentic self while still feeling confident.