Around 80 percent of the contents of Frontline Plus are not frontline combatants. That portion consists of chemicals like glycol ether and ethanol, which keep the fipronil and S-methoprene stable.

Frontline has several medicines you put on your dog or cat’s skin to control and prevent fleas and ... Frontline Plus for Dogs and Frontline Plus for Cats both contain fipronil and methoprene.

Origins: On 27 May 2015 a Facebook user published the message and photograph shown above about Frontline Plus (a popular flea and tick remedy for pets known generically as Fipronil) and an adverse ...

Pronyl uses the same active ingredient, Fipronil, but also uses what the company calls Bag-on-Valve technology that allows a continuous and quiet spray from any angle. Sergeant's launches generic ...

Fipronil is a popular pesticide, often used to de-flea household pets such as dogs and cats. It is also effective at treating red lice, which are commonly found in poultry.