The Best Natural Flea & Tick Prevention Brands

Most flea and tick prevention products for animals rely on synthetic hormones and insecticides — substances that many pet parents may prefer to avoid. Fortunately, there are a number of brands making natural flea and tick prevention products, and we rounded up 15 of the best ones for our audience to vote on. That said, this article is not veterinary advice, and we cannot guarantee the validity of any of the products mentioned, so make sure to consult with your veterinarian to determine the right course for your dog or cat.

The 10 winners of this Green Matters Approved contest are listed below. Read more about our Green Matters Approved contests here.

Isabella's Clearly is a vegan and cruelty-free beauty and wellness brand that has also branched into pet care. The company's Flea and Tick Repellant for Dogs is made from a blend of sweet almond oil with geranium, cedarwood, rosemary, lavender, lemongrass, and organic peppermint essential oils. The product is intended to be massaged into your dog's fur and reapplied every six to eight hours.

Skout's Honor makes a range of anti-pest products for dogs. The brand's flea and tick shampoo, yard spray, and home spray are all made with all-natural essential oils, and are meant for application directly to dog coats.

As seen on Shark Tank, Wondercide makes a plant-powered flea and tick prevention spray, collar, and spot treatment for cats and dogs. The products are made without artificial colors, dyes, or fragrances, they're certified cruelty-free, and they're made in the U.S.

kin+kind's Flea + Tick line is cruelty-free, vet-formulated, non-GMO, and mixed in the U.S. The tick line uses lavender or lemongrass oil and is USDA-certified biobased. These products spray or shampoo directly onto your dog or cat!

The BioPower Pet Shield is a metallic pest-repellant tag pet parents can clip to their pet's collar. This unique anti-flea, mosquito, and tick device does not contain electronics or batteries, so it will not interfere with invisible fences or other pet tracking devices. This technology works by sending "natural energetic frequencies into the biofield of your pet," similar to acupuncture. BioPower also makes products for equines.

Vet's Best makes a number of flea and tick products for both dogs and cats, including sprays, wipes, and shampoos.The products are made with natural ingredients like peppermint oil and eugenol, and Vet's Best even makes large jugs of certain products, so you can refill your original bottles with less waste.

Made in the U.K., Herbal Dog Co.'s daily natural flea and tick prevention products for dogs are available as a spot treatment, protective spray, shampoo, and a powder that can be added to your pooch's food. The spot-on's all-natural ingredients include aqua, quassia bark, neem, lemongrass oils, lavender, and tea tree oil. Additionally, Herbal Dog Co.'s products, which are plant-based, come in sustainable packaging made with compostable packing peanuts.

Guardian's Choice makes Flea & Tick Natural Defense chews for both dogs and cats. The chews are made from ingredients intended to help your pup resist fleas, ticks, and mosquitoes, including chicken liver, anise oil, brewer's yeast, and flaxseed.

PaleoPets' Natural Flea and Tick Powder, which is patted into your dog's fur, is not a pest deterrent, but is meant to kill insects when they ingest the powder. The powder is made with natural, food-grade diatomaceous clay. PaleoPets also has an oil product that's supposed to act as a deterrent. The product is made with organic olive oil, neem, cedarwood, lavender, thyme, and rosemary oil.

Created by veterinarian Dr. Bob Goldstein, Earth Natural's Herbal Flea & Tick Spot-On For Dogs provides your pet with all-natural defense against bugs. The product, which is applied directly to your dog's fur, uses all-natural ingredients, including cedarwood, peppermint, and almond oil. The company also makes chews and drops that dogs can take internally to help prevent critters.