Prestige skin care brand Jack Black has added a five-blade razor, rounding out its collection of shaving products.  The razor comes in a black-on-black design and features a weighted handle with non-slip grip, pivoting head and five-blade cartridges with American-made stainless steel. It will be available as a stand-alone purchase or as part of a personalized shave system. Replacement cartridges for the razor will also be part of Jack Black’s auto-replenishment program. Two systems, Classic...