Wondercide is proven to work without the conventional ingredients. Our lineup of plant-powered sprays, spot ons, collars, and shampoos harness the power of nature to do the job. Lab-tested to protect your pet from fleas, ticks, and mosquitoes. Loved by people, pets, and pollinators. It’s all good.

Peppermint Flea & Tick Collar repels bugs and is an added layer of protection against fleas and ticks for up to 4 months, mosquitoes up to 1 month. Use with Flea & Tick Pets + Home spray to protect your pet. Active issue? Collar doesn't kill bugs. Use Flea & Tick sprays for pets, home and yard as directed 

Small/Medium Dogs: Fits necks 9.5"–21", 3/8" wide.

Looking for the One Size Fits All Dog Collar? That size is now listed as Small/Medium.

Made with natural essential oils. No artificial colors, dyes, or fragrances. Phenol-free. Clove-free.