Present invention relates to a hair treatment method for setting hair style and its restyling including a step of application of an anhydrous spray on wet hair. The present invention is a method of treating hair comprising the step of 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 and (n×p) units of AO may be the same or not onto wet hair.
