Our Ultimate Styling Spray: BOOST IT Volume Extra Strong HairsprayBOOST IT Hairspray's Double-Hold formula gives you instant XL volume and up to 48H* endurance.Achieve unlimited styling possibilities, and keep the volume up!BOOST IT Hairspray, for Big Hair junkies.Extra strong fixation and natural touchAt the heart of the formula, there is a perfect blend of 2 fixing polymers [anionic + Amphoteric]. This formula offers you an advanced level of fixation.The formula provides a perfect blend to fix your hairstyle while preserving the natural touch of your hair.With the ultra-fine diffusion system, Studio Pro can be applied on damp hair, to perfect the finish of your style. *Instrumental test vs. reference shampoo