TRESemme Compressed Micro Mist Hairspray Extend Hold Level 4 is all about bold, natural hold. The superfine compressed micro mist hair fiber spray permeates hair to hold your style. It's also resistant to humidity and keeps frizz at bay for up to 24 hours-no matter how steamy things get. Ideal to hold your best ''look at me'' looks. It's hairspray reinvented. No longer think of hairspray as helmet head. Micro mist provides style without the stiffness. It's the perfect way to hold your look all day, which promises to let you feel confident from morning to night.