Dior Diorshow Iconic Extreme Extreme Wear High Intensity Lash Curler Mascara. Dior launched DIORSHOW ICONIC EXTREME, the waterproof version of DIORSHOW ICONIC, that starlet mascara whose performances have been applauded by the press and professional make-up artists the world over. At the heart of the waterproof formula is the Lift Model Extreme compound, which uses Latex polymers like those in hairspray to coat and set each lash weightless, endless lashes. Result: Over the top curve.New intense, deeper, more vivid colour. Waterproof, extreme hold.