Wella Shockwaves Ultra Strong Hold Gel Styler The '90s was an era of experimental hair, from the flippy '60s-inspired styles of the first half to spiky pineapple 'dos and twisted half-up 'dos of the latter. No wonder so many of us got through bottle after bottle of Shockwaves Wella Ultra Strong Hold Gel Styler (£2.70). It's still going strong, should you decide to get those butterfly clips out of hibernation. Shockwaves Wella Ultra Strong Hold Gel Styler 150ml $2.85 from boots.com Buy Now