The EPA requires all flea and tick collars for dogs and cats, including those manufactured by Hartz, to undergo efficacy studies for their effectiveness in controlling fleas, ticks and mosquitoes, and safety testing to confirm that, even if misused (applied at five times the concentration), the collar will not harm you. Is Hartz UltraGuard plus … Read more
Both the active ingredients and product formulations in hartz ultraguard ® topical flea and tick treatments have been rated among the safest, least toxic available to pet owners today . Is Hartz UltraGuard killing dogs? Please do not use any hartz flea & tick products They contain pesticides called pyrethrins which are like spraying Raid … Read more
Both the active ingredients and product formulations in Hartz UltraGuard® topical flea and tick treatments have been rated among the safest, least toxic available to pet owners today . Are hartz products killing dogs? Hartz flea and tick products are commonly known to cause damage to the liver, heart, nerve system, and even death to … Read more