Keeps ticks off of 3 dogs in the desert I would say it works.

Great price and works as expected

Works great and at half the price as frontline

Great product great value

Works as goid as anything Ive used before.

Works great and a much cheaper price

Great price compared to retailers

Foes last quite as long as stated.

Great product that makes quality pet care affordable!!!

I've been using this for years. Does an excellent job in Texas.