Best Hartz Dog Flea Drops in 2026
Daisy
Last Updated: Aug 2, 2026
Daisy
Last Updated: Aug 2, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Petco | 9.92 | ❌ | ❌ | ❌ |
Waterproof flea and tick treatment for dogs: Frontline Plus for Dogs provides waterproof, fast-acting, long-lasting flea and tick treatment and control for your dog. This product is approved for use on dogs 23-44 lbs.
Break the flea life cycle with frontline: Frontline flea and tick treatment for dogs kills adult fleas plus flea eggs and larvae to stop existing infestations and prevent establishment of new infestations.
Kills fleas and ticks: Frontline flea and tick treatment for dogs kills fleas, flea eggs, lice, and ticks. This flea and tick treatment kills ticks, including those that may transmit Lyme disease.
Trusted flea and tick protection for dogs: Frontline has been trusted by veterinarians for nearly 20 years. Made with 2 tough killing ingredients, fipronil and (S)-methoprene – one to kill adult fleas and ticks and the second to kill flea eggs and larvae – this fast-acting, long-lasting protection provides flea and tick control for dogs and puppies 8 weeks and older
Lasting flea and tick protection: Frontline's long-lasting formula isstored in the oil glands of the pet’s skin to give non-stop flea and tick protection for a full 30 days. Frontline flea and tick treatment for dogs works non-stop for a full 30 days. A 3-dose supply lasts for 3 months.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TevraBrands | 9.89 | ✅ | ✅ | ✅ |
COMPARE TO K9 ADVANTIX II: Activate II uses Imidacloprid, Permethrin, and Pyriproxyfen - the same safe, fast acting active ingredients used in Advantix II for Dogs. Includes four (4) monthly doses
ACTIVELY PROTECTS YOUR DOG: Activate II is approved by veterinarians to repel and kill fleas and ticks on contact - before your dog is exposed to bites and potential flea borne illnesses
STOP INFESTATIONS FAST: Our topical drops prevent infestations by breaking the flea life cycle - our insect growth regulator (IGR) starts killing flea eggs and larvae within 12 hours of application
EASY TO APPLY: Simply apply to the base of your dog's neck, and the waterproof solution will travel across the skin - providing continuous protection for 30 days per application
MADE IN AMERICA - QUALITY GUARANTEED: TevraPet Activate II is made to the exacting standards we demand for our own pets. We're proud to help you protect your dog with confidence
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
FAST-ACTING FLEA TREATMENT: One oral flea tablet starts killing fleas within 30 minutes.
TACKLE FLEA INFESTATIONS FAST: Give Capstar oral flea treatment and watch dead fleas fall off your pet.
TREAT RE-INFESTATIONS FAST: If your pet gets re-invested with fleas, simply give another dose as often as once a day.
WITHOUT A VET PRESCRIPTION: Flea treatment without needing a veterinarian prescription, administer this cat flea tablet orally to kill adult fleas fast.
KILL ADULT FLEAS: Capstar oral flea treatment tablets (57 mg) are safe for dogs and puppies from 25.1-125 lbs., four (4) weeks and older.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
KILLS FLEAS & TICKS AND REPELS MOSQUITOES: Kills fleas, flea eggs, flea larvae, deer ticks and brown dog ticks on contact and repels mosquitoes before they bite
PREVENT RE-INFESTATION: Long-lasting monthly topical flea treatment that prevents re-infestations for 1 month with dual Insect Growth Regulators (IGRs) that protect your pet and their environment
FAST ACTING FULL BODY PROTECTION: Safe yet powerful formula spreads across the skin using your dog's natural oil to quickly travel across the coat for full body protection from head to tail
EASY TO APPLY: Features the patented and easy-to-use Pro-Glide angled applicator with rounded edges for a softer more pleasant application experience suitable for long and short-hairded dogs
6 MONTHLY FLEA & TICK TREATMENTS: Contains 6 single dose tubes (1 tube per monthly application) for non-stop protection for up tp 6 months
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Galactic Shop | 9.98 | ✅ | ✅ | ✅ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Galactic Shop | 9.98 | ✅ | ✅ | ✅ |
Hartz advanced care brand once a month flea tick drops for cats and kittens weighing 10 lbs or less.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HealthandOutdoors | 9.62 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VoMinhHan | 5.10 | ✅ | ✅ | ✅ |
- Advanced Technology: The sound wave produced by the device has a frequency range of 19.5-135 kHz and can cover an area of around 64 square feet.
- Safe for Humans and Pets: The device emits a high-frequency sound that can safeguard your pet and their sleeping areas from pests in a manner that is completely safe, odor-free, and free of any harmful chemicals.
- Rechargeable: This innovative device comes with a Rechargeable battery that lasts approximately six months.
- Easy to use: The device is small, lightweight, and can be easily attached to your pet's collar, making it a stylish and convenient choice for pet owners who value conscientiousness.
- Portable Design: With its portability and ability to work on dogs and cats of all sizes, you can take this tool with you wherever you go. Its EPA Registration Number is 101385-CHN-1.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fannys Gifts | 9.57 | ✅ | ✅ | ✅ |
K9 Advantix II Medium Dog 30-day treatment & prevention protects dogs 11-20 lbs. from fleas, ticks, mosquitoes, biting flies and lice
Kills fleas within 12 hours of application
Vet-recommended formula kills & repels on contact so fleas don’t have to bite your dog to die
Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours
No prescription needed
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Hartz | 26 |
| Frontline | 3 |
| K9 Advantix | 3 |
| Tevrapet | 2 |
| Always88 | 1 |
| Capstar | 1 |
We've carried out a comprehensive analysis of 242,333 reviews on dog flea drops hartz, using our selection criteria to identify the best options in the dog supplies. Our findings reveal that most customers typically select dog flea drops hartz priced around $23.05, with top brands including k9 advantix, hartz, seresto, tevrapet, advantus, wondercide, capstar and beloved pets and always88
Our team of expert editors reviewed these high-quality items and handpicked the top 9 dog flea drops hartz for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the dog supplies category. These include dynamic duo distribution, amazon.com, fannys gifts, hearthshire, healthandoutdoors, entirelypets, jason in max, primeloop and tevrabrands and wondercide .
We are dedicated to assisting our users in finding the right drops Products based on their needs, saving them considerable time when choosing which dog flea drops hartz to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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