Skin So Soft Bug Guard Plus IR3535® Expedition™ SPF 30 Pump Spray Was $14.00 but on SALE for $6.99. A DEET-free insect repellent and sunscreen product. 4 fl. oz. IR3535 – ingredient that provides repellency against a broad range of biting insects, including mosquitoes, deer ticks, black flies, gnats, no-seeums and biting midges.