One active ingredient in Bio Spot Spot On Flea & Tick Control for Cats under 5 lbs, 3 Month, Etofenprox, kills adult fleas, ticks, and mosquitoes. The other active ingredient in Bio Spot pet meds, (S)-Methoprene, is an insect growth regulator that works to prevent flea eggs from maturing into adult fleas.
- Bio Spot Flea and Tick Control provides protection for up to one month
- Reduces flea allergy dermatitis in sensitive dogs and cats
- Breaks the flea lifecycle to prevent further infestations
- Manufacturer information and usage