Best Cheristin in 2026

Topical flea treatment and prevention designed just for cats

Long-lasting treatment protects against fleas through 6 weeks

One-size-fits-all for all cats and kittens over 1.8 lbs and 8 weeks old

Topical flea treatment and prevention designed just for cats

Long-lasting treatment protects against fleas through 6 weeks

One-size-fits-all for all cats and kittens over 1.8 lbs and 8 weeks old

Advantage II Large Cat is a leading brand in cat flea treatment and prevention for large cats over 9 lbs., at least 8 weeks of age

Vet-recommended, easy-to-apply monthly topical treatment – no hard-to-swallow pills, no prescription needed

Delivers total flea protection – kills adult fleas, flea larvae and flea eggs through contact

Advantage II Large Cat is a leading brand in cat flea treatment and prevention for large cats over 9 lbs., at least 8 weeks of age

Vet-recommended, easy-to-apply monthly topical treatment – no hard-to-swallow pills, no prescription needed

Delivers total flea protection – kills adult fleas, flea larvae and flea eggs through contact

Advantage II Large Cat is a leading brand in cat flea treatment and prevention for large cats over 9 lbs., at least 8 weeks of age

Vet-recommended, easy-to-apply monthly topical treatment – no hard-to-swallow pills, no prescription needed

Delivers total flea protection – kills adult fleas, flea larvae and flea eggs through contact

Reduces Shedding – Dog & cat shampoo exfoliates and moisturizes the skin to reduce shedding.

Eliminates Dog Smell – Refreshing scent of lime & coconut will take your pet to a tropical paradise with every bath!

Softens the Coat – Aloe, papaya, chamomile, kiwi, and mallow extracts leave the coat feeling silky soft.

Contains one 6-pack of Advantage II for Large Cats over 9 lbs and one 6-pack of Advantage II for Small Cats 5-9 lbs

Advantage II for cats is a leading brand in cat flea treatment and prevention for cats, at least 8 weeks of age

Vet-recommended, easy-to-apply monthly topical treatment – no hard-to-swallow pills, no prescription needed

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.

K9 Advantix II Large Dog 30-day treatment & prevention protects dogs 21-55 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

GENTLE SOOTHING – Helps promote a healthy skin and coat free of flaky, dry, or overly oily skin that may be caused by environmental stressors.

FAST ACTING – Works fast with powerful ingredients that help shed dry skin and hydrate your pet's skin. Wash and soak on skin and coat for 10-15 minutes. Repeat 2-3 times weekly.

VET-RECOMMENDED – This paraben, dye, and soap-free pet shampoo has gentle cleansers and is made without damaging detergents. Oatmeal and Allantoin add hydration and nourish the skin.

Advantage II Small Cat is a leading brand in cat flea treatment and prevention for large cats over 5-9 lbs., at least 8 weeks of age

Vet-recommended, easy-to-apply monthly topical treatment – no hard-to-swallow pills, no prescription needed

Delivers total flea protection – kills adult fleas, flea larvae and flea eggs through contact

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 45-88 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.

HELPS SUPPORT HEALTHY SKIN - With a wash and soaking of the coat for 5-10 minutes, our powerful ingredients work to help soothe red, scaly, greasy, or smelly skin that may cause your pet discomfort.

FAST ACTING – Works fast to soothe your pet's sensitive skin that may be affected by environmental stressors. Use our Antiseptic & Antifungal Spray in between washes for easy support.

VET-RECOMMENDED – This pet shampoo is pH balanced for your pet's skin and is paraben and soap-free to promote overall skin and coat health without damaging detergents.

Keep your dog protected from fleas & ticks all month long with FRONTLINE Plus for Dogs a fast-acting, waterproof flea & tick topical that's proven to kill fleas, flea eggs, flea larvae, chewing lice, and ticks that can transmit Lyme disease.

Break the flea life cycle with FRONTLINE Plus. Specially formulated with fipronil and (S)-methoprene to kill existing adult fleas, flea eggs and flea larvae to guard against further infestations for flea control.

Trusted by pet owners for over 20 years, FRONTLINE Plus for Dogs can be used on puppies as young as eight weeks old, weighing 5 pounds or more, and is easy to apply with one monthly dose providing protection from fleas & ticks for a full 30 days.

Contains one 6-pack of Advantage II for Small Cats 5-9 lbs and one 6-pack of Advantage II for Large Cats over 9 lbs

Advantage II for cats is a leading brand in cat flea treatment and prevention for cats, at least 8 weeks of age

Vet-recommended, easy-to-apply monthly topical treatment – no hard-to-swallow pills, no prescription needed

Contains one 6-pack, one 4-pack, and one 2-pack of K9 Advantix II for Extra Large Dogs over 55lbs. Do not use on cats.

K9 Advantix II Extra Large Dog 30-day treatment & prevention protects dogs over 55 lbs. from fleas, ticks, mosquitoes, biting flies and lice

Kills fleas within 12 hours of application

Contains one 2-pack of K9 Advantix II for Extra Large Dogs over 55lbs and one 2-pack of K9 Advantix II for Large Dogs 21-55 lbs. Do not use on cats.

K9 Advantix II 30-day treatment & prevention protects dogs from fleas, ticks, mosquitoes, biting flies and lice

Kills fleas within 12 hours of application

K9 Advantix II Large Dog 30-day treatment & prevention protects dogs 21-55 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

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

MAXIMUM FLEA & TICK CONTROL – With up to 3x more active ingredients, this flea and tick shampoo is formulated with pyrethrum – a natural insecticide – to kill and control fleas and ticks on-contact, soothe irritated skin while cleansing & exfoliating.

WORKS FAST – Give your pet relief from symptoms including droppings/flea dirt in dog’s coat, allergic dermatitis, excessive scratching, licking or biting at skin, hair loss, tapeworms and pale gums. Follow directions on bottle for best results.

SOAP AND PARABEN FREE – This flea and tick shampoo for dogs and cats is paraben and soap-free. It contains no harsh soaps or damaging detergents, only the gentlest naturally derived cleansers specifically formulated for your pet’s skin.

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

Waterproof flea and tick treatment for cats and kittens: Frontline Plus for Cats provides waterproof, fast-acting, long-lasting flea and tick treatment and control for your cat. This product is approved for use on cats and kittens 1.5 lbs and over.

Break the flea life cycle with frontline: Frontline flea and tick treatment for cats 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 cats kills fleas, flea eggs, lice, and ticks. This flea and tick treatment kills ticks, including those that may transmit Lyme disease.

KILLS ADULT FLEAS & FLEA EGGS - Provides flea treatment, killing adult fleas and flea eggs on your dog or cat to prevent reinfestation.

KILLS TICKS - Adams Plus Flea & Tick Shampoo With Precor kills ticks on contact.

KILLS LICE - Lice travel on pets, too, and Adams Plus Flea & Tick Shampoo With Precor kills lice on contact.

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 5-22 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.

K9 Advantix II Small Dog 30-day treatment & prevention protects dogs 4-10 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

DID YOU KNOW DOG SKIN DIFFERS FROM HUMAN'S - Dogs' skin is less acidic than human skin, so human shampoos destroy a dog's skin protective barrier, leaving your pet vulnerable to itchy flaking

ODOR CONTROL WITH BAKING SODA - This dog deodorizer shampoo includes the signature Arm and Hammer baking soda to naturally control and remove dog odors

NATURAL DOG SHAMPOO - The natural ingredients in this dog shampoo - cucumber mint & baking soda - effectively work together to tackle odors and keep your pet's coat clean while moisturizing dog dry skin

ADVANCED STRENGTH - 2X flea killing effectiveness. Kills fleas, flea larva, flea eggs, and ticks on contact and cleans and deodorizes your dog’s coat.

SAFE & EFFECTIVE -Each active essential oil is 100% certified natural for an effective solution you can trust.

VETERINARIAN FORMULATED - Formulated specifically for dogs with natural oils like Rosemary and Peppermint to kill fleas on contact.

K9 Advantix II Extra Large Dog 30-day treatment & prevention protects dogs over 55 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

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.

Keep your dog protected from fleas & ticks all month long with FRONTLINE Plus for Dogs a fast-acting, waterproof flea & tick topical that's proven to kill fleas, flea eggs, flea larvae, chewing lice, and ticks that can transmit Lyme disease.

Break the flea life cycle with FRONTLINE Plus. Specially formulated with fipronil and (S)-methoprene to kill existing adult fleas, flea eggs and flea larvae to guard against further infestations for flea control.

Trusted by pet owners for over 20 years, FRONTLINE Plus for Dogs can be used on puppies as young as eight weeks old, weighing 5 pounds or more, and is easy to apply with one monthly dose providing protection from fleas & ticks for a full 30 days.