Activyl Spot-On for Cats contains indoxacarb, which is an innocative active ingredient that activates using enzymes inside the flea. This is the first topical flea treatment to contain this ingredient!
This treatment eliminates all adult fleas and will break the flea life cycle.
Indoxacarb ((s)-methyl y-chloro2, 5-dihydro-2-[[(methoxycarbonyl) [4-trifluoromethoxy) phenyl]amino]-carbonyl]indeno[1,2-e][1,3,4]): 19.53%
Other Ingredients: 80.47%