That ultrasheild is really good stuff thats what i use! I had bad problem with fleas and tics last year! I got me a bottle of that ultra sheild i soaked my dogs in it and you could visibily see the fleas and ticks falling off there body! Its really good stuff like said about you just gotta spray it on 1 time every couple weeks!
17 day protection, sweat resistant, coat conditioners, scented with citronella, contains permethrin and pyrethrins.
http://www.horse.com/ContentFiles/Associated_Content/ultrashieldexlabel.pdf
