From the perspective of the Duke of Zhou interpreting his dreams, dreaming of washing his hair is to wash away the mildew.
Dreaming of washing your hair, the sorrow will pass, which indicates that you will understand a certain truth recently and will quickly solve the current problem.

Dreaming of washing someone else's hair, there will be someone who will help you recently and solve long-troubled problems.

Unmarried girls dream of washing others 'hair, which will surprise others and themselves and get married quickly in a short period of time.

(Editor in charge：maneuver)