Originally posted by smokey the elder
Hartz products contain pyrethrin, which is highly toxic to cats. Pyrethrin is in Raid, etc. and they mention the toxicity on the label.
meth·o·prene
Pronunciation: 'meth-&-"prEn
Function: noun
: an insecticide C19H34O3 that arrests growth at the larval stage of development

This is the only chemical mentioned on the label and there is no mention of any toxicity...thank you!