(L B, Calif, USA)
Have been using this European version on my 3 small poodles for over 8 years! Much better than the American made version. It is almost 1/2 the price and lasts 2 years! I put the extra $$ savings towards a very healthy diet and no fleas or tics. I do live in a residential area and am not wandering the great back woods. My neighbors took several years to come around, and they are now using it on their dogs.
No discoloration noted on a white, black, and silver/blue coat.
I’m very happy to not feel I am poisoning my kids with the other alternatives.