⭐⭐⭐⭐⭐ 4.7 stars - Verified Customer Reviews

Trusted By Over 30,000 Families With Cat Allergies

End Your Cat Allergy Flare-ups For Good

97% of users report life-changing results

✔ 30-day money-back guarantee

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Cat Allergen Neutralizing Spray

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You May Use Your FSA/HSA for This Purchase

This product may be eligible for purchase with your FSA/HSA funds. Get up to 100% reimbursed using your pre-tax dollars.

1

Purchase with your regular payment method

Use your credit card, debit card, or other payment method at checkout.

2

Get a Letter of Medical Necessity

After checkout, fill out a brief health questionnaire for our licensed providers to review.

3

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If approved, float will automatically reimburse you from your FSA/HSA account.

30,000+ bought all-time

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Put Allergen Control On Autopilot

  • Free welcome gifts: lint roller and spray bottle ($26 value)
  • Refills delivered to you every 4 weeks
  • Modify, pause, cancel anytime

Backed By The Pacagen 30 Day Guarantee
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One time purchase $58.00

Backed By The Pacagen 30 Day Guarantee

Image of Cat Allergen Neutralizing Powder

Neutralizing Powder

Where the magic happens. Contains WhiskerBlock that specifically targets Fel d 1!

Graphic depicting Fel D1 neutralizing nanobodies contained in Pacagen's Neutralizing Powder

Stabilizing Solution

Our solution helps the WhiskerBlock work better and last longer. Simply mix until dissolved!

Graphic depicting Pacagen's Cat Allergen Neutralizing Spray neutralizing up to 98% of active allergens

Cat Spray Bottle

For easy application of your new allergen neutralizing spray! Features a childproof safety lock.

Allergen Neutralizing Powder

WhiskerBlock Alpha, Sodium Chloride, Glycine, Leucine, Natural Morning Glory Scent, Natural English Lavender Scent, Sodium Benzoate, Potassium Sorbate, Silica

Stabilizing Solution

Distilled water, Glycerol, Ethylhexylglycerin, Phenoxyethanol, Sodium Chloride, Glycine, Leucine, Acetic acid buffer (at pH 5.7)

On The Cutting Edge

Our team of scientists developed the WhiskerBlock protein technology powering our formula using proven, ultra-safe techniques inspired by the natural way alpacas' immune systems work. The WhiskerBlock proteins precisely target and bind to cat allergens and break them down.

Testing & Review

Our products are extensively lab tested in internationally certified facilities to ensure efficacy, safety, quality, and purity. All of our products were formulated with and reviewed by board certified veterinarians, and are safe for pets & people.

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Meet Whiskerblock™

Whiskerblock Visual
  • Your home may look clean, but invisible cat allergens can trigger discomfort without warning.
  • WhiskerBlock targets and blocks allergens before they enter your body.
  • With allergens neutralized, you can relax in a healthier home.

    • Its only been 7 days and I feel so much better

    Day 1
    Allergens are neutralized immediately once Pacagen is sprayed. So you should start breathing easier and sneeze less right away.
    Day 1
    Tip: Make sure to shake well before spraying.
    Day 3
    After a few days, most people experience relief. Enjoy comfort, less irritation, and a calmer time with your pet.
    Day 3
    Tip: Spray after you clean. The formula needs time to settle.
    Day 7
    After 1 week, over 80% of users experience meaningful relief. Wake up clearer, rest easier, and share your home with your pet in comfort.
    Day 7
    Tip: Consistency is key! Don't forget to spray every few days .

    Trusted By Doctors And Experts

    Dr. Andrew Findlaytor

    Licensed Veterinarian

    "As a vet, I've seen so many pet parents struggle to find a way to manage their allergies. I was so relieved to hear about Pacagen's products - they work great and are safe for cats!"

    Auri Katariina

    Expert Home Cleaner

    "Nothing beats the feeling of truly fresh air, especially for people who suffer from allergies!! Pacagen is the kind of product I love to recommend, because it helps people breathe easier and feel at home again."

    Dr. Basil Kahwash

    Board Certified Allergist

    "I recommend Pacagen products to my patients because they work by eliminating the root cause of allergy symptoms. Pacagen's technology represents a promising approach to disease control for people with environmental allergies."

    Dr. Kunal Sood

    Double-Board Certified Physician

    "Pacagen's spray has made a real difference in my ability to breathe easy around cats despite my allergies. It’s an innovative solution I feel confident in supporting."

    Dr. Andrew Findlaytor

    Licensed Veterinarian

    "As a vet, I've seen so many pet parents struggle to find a way to manage their allergies. I was so relieved to hear about Pacagen's products - they work great and are safe for cats!"

    Auri Katariina

    Expert Home Cleaner

    "Nothing beats the feeling of truly fresh air, especially for people who suffer from allergies!! Pacagen is the kind of product I love to recommend, because it helps people breathe easier and feel at home again."

    Dr. Basil Kahwash

    Board Certified Allergist

    "I recommend Pacagen products to my patients because they work by eliminating the root cause of allergy symptoms. Pacagen's technology represents a promising approach to disease control for people with environmental allergies."

    Dr. Kunal Sood

    Double-Board Certified Physician

    "Pacagen's spray has made a real difference in my ability to breathe easy around cats despite my allergies. It’s an innovative solution I feel confident in supporting."

    Over 30,000 Cat Owners Are Breathing Easier—Here's Why

    Pick Your Symptom

    ★ ★ ★ ★ ★

    My daughter didn't sneeze!

    Every time my daughter would come visit our home, our 2 cats would make her sneeze. I tried the Pacagen spray on all the areas the cats like to lay (rugs, couch, chairs, etc.) and after only a few times, she said she felt much better. No more sneezing! I'm a believer!!

    - K. Thousand

    ★ ★ ★ ★ ★

    Fantastic product that really works

    We had a person stay over for 3 nights in our house with 2 Siamese cats. She is highly allergic to cats. Not a sniffle, sneeze, itchy eyes. NOTHING! Miraculous.

    - K. Simons

    ★ ★ ★ ★ ★

    It works!

    Thanks to this spray I was able to have my friend over who previously couldn't visit without severely watery eyes. Now she can comfortably sit on my couch in the same room as my cat!

    - K. Shaw

    ★ ★ ★ ★ ★

    It worked!

    My grandchild and son-in-law, both of whom are allergic to cats and are always uncomfortable in our house even with taking medication, spent ten days in our house with NO symptoms and without their meds. I sprayed before they arrived and every other day while they were here and never heard a sneeze or saw a teary eye.

    - A. Cohen

    ★ ★ ★ ★ ★

    Great product

    I have 2 cats that I love, but one of them gives me allergies, and between seasonal and cat allergies I was dying, sneezing, coughing and swollen eyes :( but after a few weeks using this product my life has changed, no more sneezing and overall no more red, swollen eyes.

    - C. Martinez

    ★ ★ ★ ★ ★

    Great Relief

    My husband's coughing and sneezing has greatly improved!!!

    - J. Toscano

    ★ ★ ★ ★ ★

    Works for 4 Cats!

    You can hot mop your hard surfaces which helps but I was losing to the soft surfaces. Pacagen made a huge difference. It actually works. I love my cats. Pacagen has relieved quite a bit of allergies and stress. I don't worry about what to do if my kids have allergy. I feel confident no one will be shipped off to grandma's house over cat dander

    - M. Haymier

    ★ ★ ★ ★ ★

    An actual life saver!

    I've used Pacagen for about a month now and have definitely noticed a difference in my allergies around my house. I like that the spray helps me target specific areas of the house, and compared to some other dander reducing sprays, has no strong invasive smell. The bottle is still going on strong and I'm happy to be more comfortable around my house!

    - N. Ly

    ★ ★ ★ ★ ★

    Surprisingly works

    My spouse has severe allergies to cats but loves them. With this spray we can sleep with our two cats in our bed and she can sleep through the night with no issues.

    - R. Roizin

    ★ ★ ★ ★ ★

    Finally relief!!!

    My partner has a cat and I couldn't ever go to their place. But not anymore! I bought the starter pack and walked into the apartment spraying everything. It went so well that I'm at their place all the time now. I can even tolerate the cat sleeping on the bed with us. This stuff is a game changer and I highly recommend!!!

    - E. Marteal

    ★ ★ ★ ★ ★

    Amazing life saver.

    It really helped my sudden eczema reaction caused by cat allergens immediately. Life saver. This is enabling me to keep my fur babies, even in a studio where my cats often sleep with me. I take the spray to my friends' place with cats too and I can hang out just fine. Thank you!

    - S. Nagano

    ★ ★ ★ ★ ★

    Incredibly Helpful

    I have only been using Pacagen for a short while and have already noticed a difference in my allergies. Use of Pacagen in combination with increased vacuuming have led to a noticeable positive effect when I use the spray and I have stopped having issues with rashes and stuffy noses caused by allergies to my cat.

    - A. Bruno

    Smile

    Why Stop Allergens?

    The allergens your cat sheds are the root cause of your allergic flare ups. Remove those allergens, and your body will thank you in ways you didn’t expect!

    Breathe Easier

    Easier Breathing

    Smile

    Less Itching

    Sleep Quality

    Better Sleep

    Brain Fog

    Brain Fog Gone

    How To Use It

    Mix

    Mix

    Shake

    Shake

    Spray

    Spray

    Cuddle

    Enjoy

    Us vs. Them

    Instant relief. No side effects. No discomfort. Just a smarter way to tackle allergens.

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    Customer Reviews

    Based on 647 reviews
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    M
    Michelle J.
    wonderful product

    I ordered both spray and food top. The combination works perfect for my son and husband! After 1~2 weeks, their allergy symptom are almost gone!

    E
    Elona
    OUTSTANDING Results!

    I suffered from many years with environmental allergies. 10 years ago I developed hives along with my respiratory and sinus issues. No doctor could help me with this. I literally tried everything.I wasn't going to part with my kitties As a last resort I ordered Pacagen. I sprayed the areas where they hung out and within an hour I could already tell the difference. I have cut down on the medication and spray every few days. Unbelievable!!

    A
    Alex C.
    Great product!

    I've really enjoyed the product. A bit pricey but well worth it - I've adopted two cats with minimal allergies. Never imagined this could be the case!

    M
    Madeline K.
    Game changer!

    This neutralizing spray paired with the food toppers has worked like an absolute dream to provide allergy relief. My cat and I are so thankful for Pacagen!

    A
    Arthur L.
    Miracle cure

    Your spray combined with the food additive have worked a miracle cure on my husband's allergy symptoms!

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