Source: The Great Interpretation of Dreams (Ibn Sirin)
(By analogy with a comb) A hairbrush in a dream indicates a beneficial man who removes worries. Using it indicates the removal of worry and healing.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A hairbrush indicates joy and happiness. It indicates the righteousness of affairs.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A hairbrush is interpreted as goodness. Whoever sees himself combing with it, his affairs will be rectified.