TICK OFF was developed out of a sincere caring for the health of your dog. It is designed to be used on a monthly basis for year round deterrent of ticks and fleas, skin conditioner and odour control. Application should be increased to every 2 weeks just prior to and during tick and flea season. If you start usage of this product during during the insect active season it is completely safe to at least double or triple the dose on the bottle and continue bi-weekly applications. Make sure the TICK OFF is applied directly to the skin, rubbing it in with your hands if necessary. Do not bath or let your dog swim for 24 hours after application to allow for absorption of TICK OFF.