Been using this brand and no problems with fleas

This works well for my dogs and has over the years. And this is a terrific deal!

This product had NO noticeable effect on my flea infested dog. I'll be returning it.

Very economical way to take care of fleas & ticks

Works great and a much cheaper price

very consistent used for last 6 years with no issues

Works as specified and a good value

Works well for the little dog, no ticks either when we are up north. Good price

Great price and works as expected

I have purchased this serum in the past and works well.