How can i easily take out hair gel?

i made a bet with my boyfriend i can get his hair down on friday.


i was just thinking of poring water on his hair and flattening it with my hand.


i dont exactly wanna get him soaked wet, but i'd like to get his hair down


he uses spiker (ice gel) i think.How can i easily take out hair gel?
wash it.....duhhhhHow can i easily take out hair gel?
comb it ?
yeaahh.


justt yeah.


just wash his head.