While Gillette dominates the U.S. men’s grooming category and Schick is a content No. 2, there’s still plenty of room in the segment for other players. No wonder then, Jack Black, which marked its 10th anniversary in February, is introducting a line designed for athletically minded consumers called Performance Remedy, due out next week. The six-item range includes a sunscreen, a friction-free powder, a scrub and muscle soak, a pain relieving cream, a hair and body cleanser and an...