New health fears often bring windfall business, as the manufacturers of sun block and condoms can attest. This season the booming product is insect repellent. The near hysteria over tick-borne Lyme disease, along with a proliferation of other buzzing pests because of wet weather, has sent the sales of bug spray and lotion rising at double-digit rates.
Besides boosting products ranging from S.C. Johnson's best-selling OFF! to New Hampshire-made Ben's 100 lotion, the mania has also encouraged new entries. Florida-based Eclipse Laboratories seized upon the potential profits by introducing Tick Garde. The bug spray contains DEET, or diethylmetatoluamide, the same active...