Do you have a question about a Hartz flea and tick product or Hartz Ultraguard promotional offer? Call the Hartz Consumer Hotline or write to our Consumer Affairs and Information Center at the mailing address below.
Hartz Consumer Affairs and Information Center
The Hartz Mountain Corporation
400 Plaza Drive
Secaucus , NJ 07094 USA
Monday – Friday | 9 am – 5 pm EST
If you think your pet needs medical attention, please contact your vet immediately.