Pet Health & Grooming
Hartz UltraGuard OneSpot Flea Treatment for Cats & Kittens

Hartz UltraGuard OneSpot Flea Treatment for Cats & Kittens

By Hartz 9 reviews analyzed Updated Oct 2023 85% confidence
4.0 /10
Quality
3.0
Value
3.0
Design
5.0
Function
2.5
Durability
3.0
Buy on Chewy

In a Nutshell

  • Multiple severe health issues reported in cats
  • Offensive smell and greasy residue
  • Ineffective against fleas for some users
  • Easy to use and quick application for some
  • Strong concerns about safety and effectiveness

Quick Verdict

The Hartz UltraGuard OneSpot Flea Treatment for Cats & Kittens receives overwhelmingly negative feedback, with multiple users reporting severe health issues in their cats. The product is also criticized for its offensive smell and greasy residue. Some users found it ineffective against fleas. On the positive side, a few users appreciated the ease of use and quick application.

Quick Stats

Reviews Analyzed 9
Would Recommend 22%
Would Buy Again 78%
Avg Lifespan N/A

Pet Compatibility

🐕 Dogs
Caution
🐈 Cats
Caution

Critical Warnings

critical

Severe health issues in cats, including seizures and death.

Prevention: Do not use this product on cats. Consider safer alternatives.

Pros & Cons

Pros

  • Great value (2)

    This product has been on the affordable side in terms of price.

  • Good delivery time (1)

    Reviewers have appreciated the quick delivery.

  • Easy to use (1)

    Most reviewers mentioned the product's ease of use.

  • Applies quickly (2)

    The product dries in no time and provides instant application.

  • Fast application (1)

    No hassle or pain required in applying it.

Cons

  • Toxic femoral reactions (3) critical

    allergic reactions that caused seizures and death in cats

  • Offensive smell (1) major

    The product has a very offensive smell that can irritate both humans and pets.

  • Ineffective on cats (2) major

    Presence of fleas on the pets was reported even without weeks of using it.

  • Greasy residue on fur (1) major

    Cat's fur had a greasy residue from the treatment,jeno1-operative effect.

  • Fur loss (1) major

    one of my cats patches of fur missing from one of my cat's neck.

Who Is This For?

✓ Best For

✗ Skip If

  • • Cat owners concerned about pet health — Severe health issues reported

Durability & Care

Expected Lifespan Not applicable due to safety concerns

Cleaning Methods

✗ Machine wash
✓ Hand wash
✗ Spot clean

Care Tips from Users

  • 💡 If the cats are bathed immediately following the application.

Floor Compatibility

✓ Hardwood
✓ Tile
✓ Carpet
✓ Vinyl
✓ Laminate

Rating Distribution

1.7
9 reviews
5★
22%
4★
11%
3★
0%
2★
0%
1★
67%
negative reviews (10)

Common Questions

Is this product safe for cats?

No, many users reported severe health issues, including seizures and death.

Is this product effective against fleas?

Not very effective; some users found it completely ineffective.

Highlighted Reviews

— Marchie

"Great products, great delivery time, great prices."

— Jessica

"I can't can't believe this product is still being sold. Please, just Google cats and hartz flea product reactions. This has an ingredient that cats can be sensitive to. It causes seizures and death. As a vet tech, I've seen & treated this WAY too many times. I LOVE LOVE chewy. Please chewy, pull thi..."

Bottom Line

Due to the serious health risks reported by multiple users, it is not recommended to use this product. Consider safer alternatives for your pets.

4.0 /10
— Below Average

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