A hair treatment method sets a hair style and/or its restyling comprising application of an anhydrous spray on wet hair. The method treats hair by applying a substantially anhydrous composition, comprising one or more polymers according to the general structurewherein A is a C2 to C6 alkylene group and n represents an average number of 5 to 1000 and p represents an average number of 5 to 100, onto wet hair.
