If you have seen a crust on your hair in your dream: Being compatible with cooperation, team work or group activities can make you perform above your expectations or what others expect from you, Otherwise, you may undertake tasks that you cannot handle or make binding promises that you cannot keep. To see a crust in your hair in your dream reflects the events and situations that you are obsessed with, the events that make you unhappy and upset you and unhappiness. It also indicates a stressful process.