Create your style and set it in place with Wella Shockwaves Ultra Strong Power Hold Gel Spray. This ultra-strong hold formula keeps your hair flexible while holding your style for up to 20 hours. Wella Shockwaves Ultra Strong Power Hold Gel Spray quickly creates structures style and sets it in place for up to 20 hours. It structures and sets your accents with terrific shine, meaning you can adapt to any situation from the pub, to the gig, to the d loor. Key features of Wella Shockwaves Ultra Strong Power Hold Gel Spray Ultra strong formula Target individual areas for special effects 24hr hold Keeps your hair flexible Doesn\'t leave hair or hands sticky or greasy Brushes and washes out easily