Diorshow Iconic Overcurl mascara unveils an ultra-couture brick red shade for the first time and gives lashes spectacular volume and curl thanks to its ultra-precise curved brush. This stunning Dior en Rouge limited edition fall shade elegantly enhances the eyes. Infused with cotton extract, this mascara strengthens your lashes and coats them with spectacular volume. How to use 1. Apply the mascara vertically with the concave side of the brush. 2. Boost and set the lash curl by pressing the brush against the the upper lashe lne for an eyelash-curler effect.t.