Hartz Nature's Shield Natural Flea & Tick Home Spray

By Hartz
Rated 4.2927 out of 5 stars
$9.98Chewy Price
$9.48Autoship Price
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About This Item


  • Plant-based spray with cedarwood and lemongrass helps to provide natural flea and tick prevention around your home.
  • Designed to help keep your home pest-free by killing fleas, flea eggs, flea larvae and ticks—also repels mosquitoes.
  • Safe for use around your pets and family members when used as directed.
  • Safe for use on pet bedding, pillows, blankets, upholstery, carpets, rugs, dog runs and outdoor areas when used as directed
  • Free from parabens, dyes and harsh chemicals and won’t stain.

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About Hartz Nature's Shield

Safe & Effective Flea & Tick Treatments

Hartz Nature’s Shield uses no harsh chemicals—just plant-based ingredients to provide maximized botanical protection to kill fleas and ticks. It also repels mosquitoes for total defense year-round for your dog and your home.

Why Choose Hartz Nature’s Shield?

With over 60 years of expertise, Hartz takes pride in providing great products that kill fleas and ticks. Nature’s Shield uses all-natural, plant-based ingredients that are safe for use around children, pets and your home, so you can feel good knowing your pets and family are protected.

Nature’s Shield Home Spray

Nature’s Shield Home Spray is non-staining and safe when used as directed in indoor and outdoor areas. It can be used on pet bedding, pillows, blankets, upholstery, rugs and outside in yards, dog runs and outdoor surfaces. The natural, plant-based formula works to prevent and eliminate fleas, flea eggs, flea larvae and ticks, and it also repels mosquitoes.

Nature’s Shield Dog Spray

Formulated with natural oils, this dog spray provides protection against fleas and ticks. Suitable for year-round use on dogs 12 weeks and older, it contains natural ingredients like vitamin E and glycerin to help condition your dog’s coat.

Nature’s Shield Dog Shampoo

Hartz Nature’s Shield Dog Shampoo is a gentle yet effective way to help protect your dog from pesky pests while cleaning and deodorizing his skin and coat. It also provides skin and coat conditioning with softening ingredients like vitamin E.

Benefits of Nature’s Shield

Protection Against Pests

Natural oil extracts help Hartz Nature’s Shield products fight infestations and repel newly arriving fleas & ticks.

Botanical Ingredients

Botanical oil blends help disrupt nervous system function of fleas, ticks and mosquitoes and act as natural repellents.

Safe Around Pets & Family

Hartz Nature’s Shield is made with gentle ingredients that are safe for use around your home, dog and family.

Coat Care

The Dog Shampoo and Spray condition your dog’s coat with vitamin E while providing botanical protection against pests.

About Hartz

Hartz has been delivering exceptional pet care products for over 95 years. The full range of pet care products are dedicated to the health and well-being of cats and dogs with a focus on making life with pets richer, easier, and more joyful.

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Top IngredientsLemongrass Oil, Cedarwood Oil, Sodium Lauryl Sulfate(S)-Methoprene 0.01%, Etofenprox 0.50%, Piperonyl Butoxide 2.00%...Etofenprox 0.50%; (S)-Methoprene 0.01%; Piperonyl Butoxide 2%; Other ingredients 97.49%...Pyriproxyfen, Permethrin, N-octyl bicycloheptene dicarboximideActive Ingredients: 2-Phenethyl Propionate 5.00% Clove Oil 0.50% Rosemary Oil 0.50% Thyme Oil 0.25% Inert Ingredients 93.75% Total 100%, Inactive Ingredients: Deionized Water, Wintergreen Oil...
LifestageAdultAdultAll LifestagesAdultAdult
Health FeaturePest Control
Breed SizeAll Breeds

Questions & Answers

5 Customer Questions

Is this safe to use near cats? It says "pet", but the description specifies dogs.
Answer by ChewyJan 15, 2021
This spray is suitable for use in households with dogs and cats.

is this ok to spray on carpet and couches with infants running all over
Answer by ChewyAug 13, 2021
This product is safe for use around children.

Is this product safe to use around my bird?
Answer by ChewySep 11, 2022
It is recommended to treat one room at a time, having any pets in the home must be separated from the room being treated.

What is the complete list of ingredients?
Answer by ChewyJul 26, 2021
The active ingredients include lemon grass oil, cedarwood oil, sodium, lauryl sulfate, and the other 96% ingredients which are water and Isopropyl alcohol. The remaining ingredients are proprietary.

ReviewsWrite a Review

Rated 4.2927 out of 5 stars
123 Ratings
Would recommend to a friend

123 Customer Reviews

Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.
Rated 3 out of 5 stars
By Bre on Aug 22, 2023

Works, but STRONG.

This stuff works, and well, don’t get me wrong. But the smell is so strong it literally had me coughing and hacking and choking. It needs a warning label. Don’t recommend using around animals or young kids at all.

Rated 3 out of 5 stars
By Rissa on Jun 3, 2023

Not safe for kittens

I just used this spray in a shelter with small kittens in a kennel nearby. I sprayed it only on the floor and in an empty kennel, but the kittens reacted very badly to it. I’m still not 100% sure they’re going to be okay. They were desperately trying to get under each other, sucking on each other, and generally acting like they were very stressed. I felt so awful. Apparently the lemongrass and cedar wood essential oil is not safe for kittens to inhale, but it never says that on the bottle! It also never says to remove pets from the room before spraying. It might work to kill fleas, but they need to remove the “safe for pets” messaging on the bottle!

Rated 3 out of 5 stars
By Gab on Jun 21, 2023


I received my product with a broken sprayer and half had leaked out. It works alright nothing to go crazy about especially if it comes in broken.

Rated 5 out of 5 stars
By Tommy on May 12, 2023

100% effective

I bought this on 5/11 at 8pm I put in the bathroom and the kitchen to be precautious … is 10:45pm we found 16 dead and dying fleas in the floor, I can absolutely recommend this product.

Rated 3 out of 5 stars
By Mjm on Jun 10, 2023

Seemed a bit toxic. I don’t really like like

Rated 3 out of 5 stars
By Crystal on Oct 4, 2022

Strong Smell/Lackluster Results

Had a flea issue when my indoor cat spent a few days outside. I read the reviews on this product and thought it was worth a shot. Before using this I washed all my clothes and all the bedding. I sprayed this all over my house before bringing the laundry back inside. The odor is very strong, not terrible but strong. I also bought Advantage II drops for my cats. I would say there are certainly less fleas but they are still present.

Rated 5 out of 5 stars
By Brooke on Oct 6, 2022

Works better than an exterminator

So we have been battling a flea problem for about 2 months now. Nothing has worked, we even had an exterminator spray our house 3 times and still had fleas. My daughter gets bit sooo bad. This spray is the only stuff that seems to work and get rid of them. I was skeptical at first but it really does work good.

Rated 5 out of 5 stars
By clairevand on Sep 1, 2022


First time, ordering this product. Guessing this product does what is expected, or, Chewy would not have available. I am writing this review for the Packers at Chewy! I opened the box, this product was on top, laying on its' side, enclosed in a sealed plastic bag, filled half with the contents. Not a leak! I would like to THANK the PACKERS for sealing the bag, otherwise, many foods would have been useless. All contents was contained in the plastic bag. Not only did the PACKERS do an excellent job, also, Chewy must be using up-graded packing materials. THANK YOU

Rated 1 out of 5 stars
By Wally on Sep 21, 2022

Disappointed to be so disappointed

I don't get it! Where are all these positive reviews coming from? (Many sure seem to be phrased similarly, don't they?) But this product has not worked at all for controlling flea infestation in my home. Treated specific trouble-areas repeatedly this past week to no effect. I've used similar products for years and thought I'd try this one for a change in aroma and possibly an increased longevity in results. Followed directions to a 'T' and definitely sprayed a sufficient quantity. The product had zero-to-minimal effect on the fleas and the pungent odor was quite objectionable for my nasal passages. To top it off, the poorly designed pump spray trigger bites into your flesh so much from its sharp edges that it becomes painfully uncomfortable to use within just a few pumps from one's index finger. Sorry 'Chewy'! - I will continue being a loyal customer and your customer service rep was aces in response to my complaint this morning, but I feel a responsibility to advise others that this particular remedy for flea control in the home is a flat out miss! Maybe it's effective on ants or spiders, but the fleas here weren't phased a bit by it.

Rated 1 out of 5 stars
By Jolt on Oct 4, 2022

Does not work

Does not work, and My dog hates the smell, and after spraying a few times, I still find creepy crawling Fleas jumping around on my pup. Not effective against fleas at all