I have just been looking for frontline for Pippi and came across Effipro on this website. Having had a look around it appears it contains the same active ingredient as frontline spot on but is much cheaper as frontline have lost the rights to be the only manafacturer. Like the difference between Neurofen and cheap Ibuprofen (same drug, different packaging). I've ordered a single pipette to test it. Has anyone else tried it and if so did you find it as good as Frontline?