Yesterday I noticed that my four month old kitten had a strange discolored spot on her neck directly under her flea collar. I immediately removed the collar to inspect and clean the spot and realized that the discoloration was actually just that she had no fur on the front aspect of her neck! I wish I had heard about Hartz Victims before as she has been wearing the Hartz flea collar for about 3 months. My other kitty has been wearing a Hartz flea collar as well but seems to have had no reaction- I have taken it off now so hopefully she wont have any problems! I am shocked and appalled that such a big pet product company has these problems and is still on the market! Please DO NOT BUY HARTZ PRODUCTS FOR YOUR PETS! I hope that this site and evidence from pet owners can help to put Hartz out of business!