Formerly called "No Sweat" by Mehron Now called Skin Prep Pro 4 oz. Bottle A proprietary formula to increase the wearability of makeup under high-performance conditions. SKIN Prep PRO is a clear, fragrance-free liquid for use on all skin types prior to makeup application. It will allow makeup to remain longer lasting under stressful performance conditions and boost your confidence during an active day at work or play. SKIN Prep PRO acts as a moisture barrier between your skin and the makeup you wear giving you a longer lasting fresh look under the most extreme conditions! Application: Sponge "SKIN Prep PRO" lightly on skin and allow to dry thoroughly before applying makeup.