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About Hartz UltraGuard

In the 1960’s, Hartz® introduced it’s very first flea and tick collar. Today, our parasite pummeling products remain best-sellers.

Whether you prefer protection in the form of collars, drops, shampoos or sprays, all Hartz® UltraGuard® solutions are fast acting and powerful on pests, yet gentle on dogs and puppies.

Brown mixed breed dog wearing a Hartz UltraGuard flea and tick collar.

Safety & Efficacy

The relationship between you and your pet is very important to us.

Hartz® is committed to providing you with products that will effectively get rid of fleas, ticks and mosquitoes to keep your pet pest-free.

We know how important it is to have affordable options. Hartz® UltraGuard® is committed to offering you affordable protection that works.

Featured Products

Hartz® UltraGuard Pro® Flea & Tick Collar for Dogs and Puppies

Kills and repels fleas, ticks, flea eggs and flea larvae, plus prevents flea eggs from...

Hartz® UltraGuard Pro® Flea and Tick Drops for Dogs and Puppies 31-60lb

The patented and easy-to-use Pro-Glide™ angled applicator with rounded edges easily gets through dog’s fur,...

Hartz® Ultraguard Pro® Triple Active™ Flea and Tick Shampoo for Dogs

Triple active shampoo kills fleas, flea eggs and brown dog ticks plus prevents re-infestation for...

Hartz® UltraGuard Pro® Flea & Tick Collar for Cats and Kittens

Hartz UltraGuard Pro flea & tick collar for Cats Kills and repels fleas, ticks, flea...

Hartz® UltraGuard Pro® Flea and Tick Drops for Cats

The patented and easy-to-use Pro-cision Flo™ angled applicator with rounded edges easily gets through cat’s...
Compare for Yourself

 

Hartz UltraGuard Pro for dogs kills fleas, ticks, flea larvae, prevents flea eggs and repels mosquitoes. Pet Armor Plus kills does not repel mosquitoes. Frontline Plus does not repel mosquitoes
Flea & Tick Drops** Kills Kills Kills
Fleas

Ticks*

Mosquitoes

and repels

Flea Eggs

and prevents

and prevents

and prevents

Flea Larvae

and prevents

and prevents

Starts Killing Fleas
in 15 Minutes

Easy to use Applicator

Monthly Cost*** $4.38 $8.47 $14.80

 

*Refer to product label for specific tick species affected. **Based on currently marketed packages as of February 2017. *** Iri Multi-Outlet average price per unit, 26 weeks ending 1.26.20
Frontline® is a registered trademark of Merial Limited. PetArmor® is a registered trademark of FidoPharm, Inc.

 

 

 

 

Compare for Yourself

 

Hartz UltraGuard Pro for dogs kills fleas, ticks, flea larvae, prevents flea eggs and repels mosquitoes. Pet Armor Plus kills does not repel mosquitoes. Frontline Plus does not repel mosquitoes
Flea & Tick Drops** Kills Kills Kills
Fleas

Ticks*

Mosquitoes

and repels

Flea Eggs

and prevents

and prevents

and prevents

Flea Larvae

and prevents

and prevents

Starts Killing Fleas
in 15 Minutes

Easy to use Applicator

Monthly Cost*** $4.52 $10.48 $13.64

 

*Refer to product label for specific tick species affected. **Based on currently marketed packages as of February 2017. *** Iri Multi-Outlet average price per unit, 26 weeks ending 1.26.20
Frontline® is a registered trademark of Merial Limited. PetArmor® is a registered trademark of FidoPharm, Inc.

 

 

 

 

Hartz UltraGuard flea facts. Hartz UltraGuard provides products and inforation about flea prevention and tick prevention.
Hartz UltraGuard tick facts. Hartz UltraGuard provides products and inforation about flea prevention and tick prevention.

Flea & Tick Learning Center

depressed dog lying on sofa. Are fleas making your dog depressed? health & nutrition | dogs

Are fleas making your dog depressed?

One minute your pup is running around the house like a ball of energy, and the next he's lying on the floor, head between his paws, glum as can be.
Dog peering into a kitchen garbage can. Are fleas lurking in your garbage cans? parasite protection

Are fleas lurking in your garbage cans?

Responsible pet owners do everything they can to minimize any risks associated with fleas, but one place people may overlook is outdoor garbage cans in the neighborhood or backyard.
A cat's face can be host to any stage of a tick's life cycle parasite protection | cats

Ticks and Your Cat

Ticks are parasites that will attach to both your cat as well as you. Like the flea, ticks must take a blood meal to survive. Here are some tick facts that will help you understand how to protect yourself and your cat.
Learn More