Cassiel Pet® Best Sellers

Discover the most-trusted, vet-approved pet healthcare solutions at Cassiel Pet®. Our Best Sellers collection features GMP-certified treatments, including fast-acting flea & tick drops, soothing anti-itch skin care, and essential ear & eye hygiene formulas. Keep your dogs and cats happy, healthy, and parasite-free with our clinically proven formulas.
Happy dog with a Cassiel Pet package at home, representing convenient delivery of pet healthcare products and everyday care solutions for dogs and cats.

30-Day Money-Back Guarantee

Try Cassiel Pet with confidence. If you’re not satisfied with your eligible purchase, contact us within 30 days for a full refund under our satisfaction guarantee.

Try it 100% Risk Free

Shop By Benefit

Shop by your pet’s needs, from flea & tick and skin care to eye & ear care, deworming, grooming, and daily wellness.

Flea & Tick Care for Dogs and Cats

Flea & Tick Care

 Skin & Itch Care for Dogs and Cats

Skin & Itch Care

 Dewormers for Dogs and Cats

Dewormers Care

 Eye & Ear Care for Dogs and Cats

Eye & Ear Care

 Vitamins & Supplements for Dogs and Cats

Vitamins & Supplements

 Grooming & Hygiene for Dogs and Cats

Grooming & Hygiene
Skip to results list
9 items

Filter

  • Cassiel Pet Avermectin spot-on drops box with three 1 ml ampoules
    Sale

    Cassiel Pet Avermectin Spot-On Drops for Dogs & Cats – Flea & Tick Control and Prevents Reinfestation

    Cassiel Pet Avermectin Spot-On Drops for Dogs & Cats – Flea & Tick Control and Prevents Reinfestation

    263 reviews

    $20.99 USD $50.00 USD
  • Cassiel Pet Natural Dog Parasite Support Chews Herbal Dualmectin Deworming Treats Chicken Flavor for Digestive Skin Health Immune Support Easy Feed
    Sale

    Cassiel Pet Natural Dog Parasite Support Chews Herbal Dualmectin Deworming Treats Chicken Flavor for Digestive Skin Health Immune Support Easy Feed

    Cassiel Pet Natural Dog Parasite Support Chews Herbal Dualmectin Deworming Treats Chicken Flavor for Digestive Skin Health Immune Support Easy Feed

    84 reviews

    $17.99 USD $40.00 USD
  • Cassiel Pet Dualmectin chicken-flavor cat dewormer 10-tablet box
    Sale

    Cassiel Pet Dualmectin Natural Cat Parasite Support Chews – Chicken-Flavored Herbal Supplement for Digestive Balance, Skin Health & Daily Wellness

    Cassiel Pet Dualmectin Natural Cat Parasite Support Chews – Chicken-Flavored Herbal Supplement for Digestive Balance, Skin Health & Daily Wellness

    6 reviews

    $17.99 USD $40.00 USD
  • Cassiel Pet 10-tablet anti-itch tablets box main image
    Sale

    Cassiel Pet Anti-Itch Tablets for Dogs & Cats – Herbal Relief for Itchy Skin & Allergies

    Cassiel Pet Anti-Itch Tablets for Dogs & Cats – Herbal Relief for Itchy Skin & Allergies

    189 reviews

    $22.99 USD $50.00 USD
  • Cassiel Pet Avermectin spot-on drops and anti-itch tablets care pack
    Sale

    Cassiel Pet External Deworming & Severe Itchy Skin Allergy Treatment Bundle

    Cassiel Pet External Deworming & Severe Itchy Skin Allergy Treatment Bundle

    24 reviews

    $42.99 USD $100.00 USD
  • Cassiel Pet Hot Spot Spray and anti-itch tablets care pack
    Sale

    Cassiel Pet Medicated Hot Spot Spray & Antiseptic Flea Parasite Treatment Bundle

    Cassiel Pet Medicated Hot Spot Spray & Antiseptic Flea Parasite Treatment Bundle

    54 reviews

    $42.99 USD $100.00 USD
  • Cassiel Pet 60 ml Hot Spot and Wound Spray bottle and box
    Sale

    Cassiel Pet Hot Spot & Wound Spray for Dogs & Cats – Botanical Skin Care Spray

    Cassiel Pet Hot Spot & Wound Spray for Dogs & Cats – Botanical Skin Care Spray

    464 reviews

    $22.99 USD $50.00 USD
  • Cassiel Pet 20 ml pet ear drops bottle and box
    Sale

    Cassiel Pet Ear Cleaner for Dogs & Cats – Earwax Removal, Odor Control & Ear Mite Care

    Cassiel Pet Ear Cleaner for Dogs & Cats – Earwax Removal, Odor Control & Ear Mite Care

    8 reviews

    $20.99 USD $40.00 USD
  • Cassiel Pet 100 ml spray bottle main product image
    Sale

    Cassiel Pet Fipronil Flea & Tick Spray for Dogs & Cats – Pet & Home Treatment

    Cassiel Pet Fipronil Flea & Tick Spray for Dogs & Cats – Pet & Home Treatment

    1 reviews

    $17.99 USD $35.00 USD

Customers are saying

4.94 ★ (1835)
Verified