been using this collar and the spot on for years. love love love the products. not only do they work great, but my dog smells great all the time. I change mine usually monthly or so, I like the added protection and the fresh smell. HIGHLY RECOMMEND!

This does smell nice, but it doesn’t wok as a deterrent. I have been battling fleas that my poodle keeps getting from somewhere. I put this in after a flea bath, the shampoo does a good job of killing everything as far as I can tell, so do the sprays when sprayed directly on the fleas. But this collar doesn’t deter them at all, I found a live flea on her the next day on her chest, so inches from the collar. She has been wearing it for at least a month and I am still finding fleas on her. I am treating all the places, my yard, my house, spraying her etc. Very frustrating.

The collar was totally ineffective for repelling ticks.

I tried the cat collar on my 2 cats. They hated it because it was a really strong smell, but I knew the oil smell would lessen in time. I kept it on them for about a month, but it really didn't do anything. The fleas were thicker under the collar than anywhere else on my poor cat.

We started our journey with Wondercide back in 2011 after our first little puppy developed severe gastrointestinal issues and then suffered a seizure after being administered a topical anti flea treatment.

Days work great. We haven’t had ticks all summer along with these. I highly recommend for a holistic alternative.

I ordered one of these to try them out, although I have two dogs. I was having my yard sprayed by a professional company. What I’ve noticed is that the dog with the Wondercide collar has been left alone by mosquitoes and ticks, while the dog without the collar has mosquitoes swarming her and still has takes occasionally, despite the yard spraying. I will be ordering collars now for both of them.

I feel so much better with Wondercide flea collar on my Buddy.