Dermatological tests guarantee that the absolutely odourless Horse-Fly-Blocker + horse&rider is as suitable for human beings as it is for animals. The icaridine-based combination of active ingredients was developed in collaboration with the Swiss Tropical Institute and guarantees a form of efficacy which is recognised at highest international level. Provides absolutely reliable protection for many hours against horse flies, ticks, midges and flies. Riders in over 50 countries have confidence in this product. The spray is also suitable for protecting dogs against ticks.