Bros MAX special mosquito and tick repellent aerosol 90ml The Bros MAX spray effectively keeps mosquitoes away for max. for 8 hours, and the ticks for max. for 5 hours. The product can also be used specifically against TROPICAL mosquitoes when traveling! Bros MAX aerosol contains the active ingredient DEET (diethyl meta-toluamide). The concentration of the active ingredient is an outstanding 25%!! How to use: Keep it 15cm away from the surface to be treated, then spray it on clothes and on the skin exposed to the sting. For the face and neck surfaces, spray into the palm of your hand and apply from there. Mosquito and tick repellent spray is a particularly pleasant-smelling product that keeps bloodsuckers away. It works immediately after use, leaving no stain on the clothes.