Originally Posted by Saeleofu
How often do you use it, and how do you use it? This sounds like something that might get Logan over the last of his allergies for the season.
IIRC (I have an absolutely terrible memory) it was once a week, and there were four topical tubes in a pack. You can buy it over the counter on amazon! So one pipette would be applied like a flea/tick topical, except I put it all the way down his back, on the skin. Not just on the neck/shoulder blade area.