Adventurer Series Survival Equipment Just one small Outdoor Mosquito Patch by Omezone creates an invisible and virtually impenetrable shield against the ill effects of mosquitoes and the diseases they may carry. Within two hours of application, these annoying creatures will know that you're off limits and will quickly move on and leave you alone! The repellent effects last up to 36 hours - even during hot and humid weather! Research has shown that Thiamine (Vitamin B1), the key ingredient in the OMEZONE Defend Mosquito Patch, when topically applied, actually helps repel insects like mosquitoes and flies. The thiamine-based formulation of OMEZONE Defend works with the body's own chemistry to create an invisible protective “barrier” that shields the user from mosquitoes and other biting insects. The OMEZONE Defend Mosquito Patch contains no pesticides and is totally safe and approved for use on children as young as one year of age, unlike DEET. * VERY EFFECTIVE, EASILY APPLIED AND SAFE INSECT REPELLENT SKIN PATCH * REAL PROTECTION AGAINST MOSQUITOES AND OTHER BITING INSECTS FOR UP TO 36 HOURS! * WILL NOT LOSE EFFECTIVENESS IN WATER EVEN AFTER OR WHILE SHOWERING OR SWIMMING * NON-GREASY, APPLIED AND REMOVED IN SECONDS WITHOUT LEAVING ANY RESIDUE