As the mercury rises so do those gnarly pests fleas and tick. No worries! We've done the research on available flea and tick prevention.

If the thought of strapping insecticides to your dog makes you cringe, the Wondercide Flea and Tick Collar ... oil and other natural-based collars typically can only repel ticks and fleas.

Read more about how Insider Reviews tests and researches pet ... flea collar for older puppies The Seresto Flea and Tick Collar for Dogs is safe for puppies as young as 7 weeks old and is the only ...