Despite being relatively new to the shaving market, TwinLuxe has gained a tremendous amount of attention.  Having been featured in various fashion and luxury goods publications, its products have quickly gained recognition for their high performance and exclusivity.  Previously I tested and reviewed the Smooth Shave Cream and Soothing Face Balm and found both to be exceptional products that exceeded my expectations and proved to be well worth the investment. This review takes a closer look at the third and perhaps most versatile piece of the TwinLuxe shaving system: the Booster Serum.