Hartz Mountain's flea and tick products have a deplorable safety record over the years.  They use a 40 year old pesticide ingredient, phenothrin, in the volume of 85.7% which is a dangerous neurotoxin that has a documented history of injuring and killing thousands of dogs and cats.  Hartz's cat and kitten products were terminated by the EPA in 2006 after the EPA issued a Cancellation Order in the summer of 2005.  The EPA was overwhelmed with the number of adverse incidents reported by pet owners.  Please check with your veterinarian before applying over the counter flea and tick products--you...