Roger&Gallet Begin by wetting your face with warm water or taking a warm shower. This helps to soften the hair and open up the pores, preparing your skin for a smoother shave.Wet the surface of the Roger & Gallet Cologne Twist Shaving Soap by either placing it directly under running water or adding a few drops of water onto the soap. Allow the water to soak into the soap for a moment.Once your face is adequately lathered, proceed with shaving using your preferred razor. Shaving Foam and Gel