To see a mask in your dream, suggests that someone is being unfaithful to you.
To dream that you are wearing a mask, denotes that you will have temporary trouble as a result of some misunderstanding and misinterpretation of your conduct. Alternatively, you are trying to hide your true feelings and identity.
To see others wearing a mask in your dream, means that you will battle against deceit, falsehood and envy. You are unable to identify someone's true nature.
To see others unmask in your dream, suggests that you will fail to gain the admiration or respect of someone sought for.