"A mask which was beneficial for anyone who wanted to ‘bleach, purify and preserve the complexion’ of the skin. A sheet mask is a creamy or thick pasted mask applied to clean or smoothen the face. It often contains minerals, vitamins, and fruit extracts. There are different kinds of masks for different purposes; some are deep cleansing for cleaning the pores. The perceived effect of a facial mask treatment can be revitalizing, rejuvenating or refreshing. Facial masks are most commonly used by women but are also used by men. Although widely believed to provide tighter pores, increased skin clarity, and a reduction in facial skin wrinkles, masks have not been shown to be any more effective at accomplishing these things than a standard moisturizing lotion."