Cat Allergen Neutralizing Spray Starter Pack
Cat Allergen Neutralizing Spray Starter Pack
Cat Allergen Neutralizing Spray Starter Pack
Cat Allergen Neutralizing Spray Starter Pack
Cat Allergen Neutralizing Spray Starter Pack

Cat Allergen Neutralizing Spray Starter Pack

Regular price $66.00
Regular price Sale price $66.00
  • Neutralizes 98% of cat allergens
  • Safe for pets and people!
  • Backed by the Pacagen Guarantee
  • Get up to 20% off on subscriptions!
  • Includes: 1 Custom Cat Spray Bottle, 1 pack of Allergen Neutralizing Powder, and 1 bottle of Stabilizing Solution

How Does It Work?

Cats produce an allergen called Fel d 1 in their saliva. This is what causes cat allergies

Pacagen engineers proteins (nanobodies) that can bind to and neutralize up to 98% of these allergens!

These nanobodies are put into sprays for easy use. Simply spray around your home every 2-3 days

Cats produce an allergen called Fel d 1 in their saliva. This is what causes cat allergies.

Pacagen engineers proteins (nanobodies) that can bind to and neutralize up to 98% of these allergens!

These nanobodies are put into sprays for easy use. Simply spray around your home every 2-3 days.

Why choose us?

kitten sitting next to a pacagen spray bottle
syringe in a hand
scattered pills
Pacagen Sprays
Allergy Shots
Allergy Pills
No Side Effects

What's Included?

Graphic depicting cats secreting an allergen called Fel D1

Neutralizing Powder

This is where the magic happens. Contains our nanobodies as well as light scents to freshen your home!

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

Stabilizing Solution

Our solution helps our nanobodies 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.

white pacagen spray bottle


Carefully formulated to be safe for you and your pets.



Brings the latest advancements in biotechnology to your home.


The nanobodies neutralize up to 98% of airborne allergens.


99% of the powder and 100% of the Stabilizing Solution is biodegradable.


1. Every pack of Allergen Neutralizing Powder is formulated to be dissolved in one bottle of Stabilizing Solution so you don’t have to do any measuring! Mix the two together thoroughly, making sure that the powder is entirely dissolved. When mixing, avoid ingesting the powder or getting it in your eyes. If you choose to mix the Allergen Neutralizing Powder with distilled water, the packets are designed to be dissolved in 275 mL (9.3 fl oz) of liquid. Do not use tap water to dissolve the Allergen Neutralizing Powder.

2. Spray the mixture around areas your cat has been, both in the air and on surfaces your cat enjoys being on. Don’t worry, the spray is not harmful to you or your cat! Avoid spraying the mixture directly onto your cat, cats generally don’t like being wet.

3. You should feel symptomatic relief soon after spraying. Depending on the concentration of your cat’s allergens, spray anywhere from twice daily to once every 2-3 days. If you still experience allergy symptoms after a week of regular spraying, try increasing the spraying frequency. If your symptoms persist even after increasing the spraying frequency, reach out to our customer support team!

Definitely! We made sure to use a completely pet-friendly approach when creating our formulas. Each part of the formula was hand-picked to be safe for everyone, four-legged or not, involved. However, it’s best to avoid spraying directly onto cats – mainly because cats usually don’t like getting wet. On top of that, the allergen-neutralizing nanobodies are always manufactured to food-grade standards.

For your peace of mind, here's a full list of ingredients:

  • Nanobodies
  • Sodium Chloride
  • Glycine
  • Leucine
  • Morning Glory Scent
  • English Lavender Scent
  • Sodium Benzoate
  • Potassium Sorbate
  • Silica

The nanobodies are proteins, so they are subject to degradation when dissolved in tap water, as minerals and impurities can disturb the nanobodies’ structure. The Stabilizing Solution is formulated to preserve the nanobodies’ structure as long as possible without hampering its neutralizing properties.

You can find a full ingredient list below:

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

Our products use the latest developments in biotechnology to provide you with a safe, pure, and environmentally friendly solution to your allergies. Internal testing found that our nanobodies are capable of neutralizing up to 98% of Fel D1. Other products on the market are only able to neutralize up to 50% of Fel D1. On top of that, our products are incredibly safe to use and are non-invasive to you and your pet’s routine.

The nanobodies don't expire, but they are most effective within 1 month of dissolving in distilled water. However, if you dissolve the nanobodies in our Stabilizing Solution, it'll be effective for up to 2 months.

Spraying frequency depends on a lot of factors, including how much Fel D1 your cat produces, how severe your allergies are, and how sensitized your immune system is. We recommend starting out by spraying once every 2 days, then increasing or decreasing the frequency depending on if your symptoms are still present.

We take pride in the fact that our sprays are designed with environmental consciousness in mind. Where possible, we use biological ingredients that have no long-term environmental impact. In fact, 99% of the ingredients in the powder are biodegradable! We also make sure that all of our partners share a similar commitment to environmental consciousness.

Right now, we are only able to ship to the United States and Canada (excluding Quebec). Depending on where you are, orders with Standard Shipping will arrive in 2-10 days, while orders with Express Shipping will arrive in 2-7 days.

our happy customers


Purchased it for friends with cat allergies, and it's been smooth sailing. Simple to use, highly recommend since it eliminates the need for pills.

- Jeffrey
✅ Verified

My girlfriend has severe allergies to cat hair (sneezing, running nose). The Pacagen spray actually works pretty well for her and along with some allergy relief pills, she’s completely okay to stay with our cat for a long time. Works great so far since I started using one month ago, hope it will be effectively in the long run too!

- Xiang
✅ Verified

A miracle cure to my cat allergies. Was never able to visit with my son & daughter-in-law who have two cats. Even with Zyrtec and Flonase I got itchy puffy eyes and face that lasted a day or two. With the addition of Pacagen, I was not only able to visit, but I actually slept in their home for 2 days/nights.

- Lily
✅ Verified

We do A LOT to mitigate cat dander—liveclear allergy food, HEPA air cleaners & vacuums, regular brushing, routine laundry, etc.—but I am always still suffering. [...] But bottom line is that I have noticed a significant reduction in my allergies since using this product.

- Peter
✅ Verified

I just got my first cat a few weeks ago. I was taking 2-3 allergy pills a day. Now after this product I'm taking 2-3 a week. It seems to be helping a ton. It is definitely worth a try if you experience allergies.

- Corey
✅ Verified

Customer Reviews

Based on 130 reviews
Linda H.
Works great so far

Instructions are very clear and spray bottle is super effective. The product itself seems to work! I wish the initial package came with a bigger bottle of solution to cover more of our house. This could be life changing though. Grateful for Pacagen.

Jessica Z.
Total Success

This product is amazing!

This stuff really helps

After receiving a cancer diagnosis, my doctor recommended I discontinue my allergy shots. So I went looking for other ways to improve my allergies. Pacagen really helps.

Pacagen works pretty well

Not perfect but it works decently well, combined with vacuuming and hypoallergenic wipes, brushing and some allergy meds its pretty solid.

Brandon R.
It really works!

I had minor sneezing and congestion even with regular grooming of my long haired Persian. I’ve been using this spray for a few weeks. I spray my bed every 2-3 days. It absolutely helps. I’d say by 80%. A necessity.