Allergy Asthma Clean Allergen Spray 33.8oz by Allergy Defender

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Break Free From Pet Dander, Dust Mites & More. These are the “allergens” hiding in carpets, bedding, and the air—tiny particles that cause everyday discomfort. Our chemist-developed, third-party verified, science-backed formula neutralizes them in minutes, so you can enjoy your family & pets in comfort. And it's as easy as spraying your house.

  • Enjoy your family & pets in comfort again
  • Chemist-developed formula made with natural mineral ingredients
  • Verified by third-party testing, shown to reduce allergens by up to 99%*
  • Covers up to 1,200 sf; spray into the air and on surfaces
  • Includes one 33.8 oz bottle filled with mineral concentrate—just add water
  • Created by a father to protect his asthmatic daughter after she almost died from an allergic asthma attack brought on by two "hypoallergenic" poodles

Ingredients

Our Ingredients: FDA & GRAS pure sodium sesquicarbonate, FDA food grade mineral phosphate salts. No harsh chemicals, no fragrances, no bad stuff. Just real ingredients you find in the foods you already eat everyday.

 

Backed by Science

We partnered with INBIO to verify our formula’s performance through the MARIA® 5-plex assay—the gold standard in environmental analysis. Our lab-verified results ensure a high-standard environmental tool for allergen-sensitive homes worldwide.

Surface Testing: Lab-verified reduction of up to 99%* of major household allergen matter, including cat dander matter, dog dander matter, dust mite matter, and cockroach matter.

Air Testing: Lab-verified reduction of up to 95%* of these same airborne triggers in the treated area.

 

Made for Pet Owners

Our Allergen Spray is made for real homes with real families — pets included. We use only clean, mineral-based ingredients, never harsh chemicals or fragrances. That’s why thousands of pet families trust it to help create a more comfortable home for everyone.

 
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93% of customers experience relief. 90% felt relief within hours.

Designed to Make Your Home Feel More Enjoyable for Your Family and Pets

Your home is filled with hidden allergens that linger in the air and build up on surfaces throughout your home making you and everyone in your home uncomfortable.

  •  

    Cat Dander

    The main allergen is a protein called Fel d 1, found in cats’ saliva, skin, and dander. Even hairless cats produce it, and it easily spreads through the air and onto surfaces.
  • Woman holding a golden retriever against a light blue background
     

    Dog Dander

    Can f 1 is one of primary allergen found in dogs. It’s a protein produced in their skin, saliva, and even urine. Even low-shedding or “hypoallergenic” breeds still release this allergen into their environment.
  • dust mite in carpet with close up showing dust mite
     

    Dust Mites

    Der p 1 & Der f 1 are the proteins from dust mite waste and body parts. They are found in soft surfaces throughout your home. 80% of homes contain dust mite allergens in their beds.

Ingredients: FDA & GRAS pure sodium sesquicarbonate, FDA food grade mineral phosphate salts. No proteins, enzymes, essential oils, or harsh chemicals.

Natural, harsh chemical-free, and perfect for cats and dogs. Made by pet owners for pet owners.

No perfumes or masking scents. Clean, neutral protection that won’t irritate you.

Each 33.8 oz bottle treats up to 1,200 sf or lasts up to 30 days of targeted use.

Why Common Approaches Can Fall Short

Allergens like pet dander and dust mite matter don’t go away easily. They can stay active for months - clinging to furniture, bedding, and carpets while floating unseen in the air. Purifiers only affect the air that passes through them, leaving surfaces untouched. Daily cleaning can stir up allergens, and synthetic alternatives only work after the fact. Allergen Spray works differently, neutralizing allergens in the air and on surfaces in your home.

Allergen Spray in action

An Easy Ritual For

powerful results

The Only Mineral Breakthrough Proven to Neutralize Allergens In Your Home

For years, managing indoor allergens has meant juggling filters, frequent cleaning, and temporary fixes. Allergen Spray offers a new, lab-verified mineral approach designed to neutralize common allergens directly in the air and on surfaces. By reducing allergen buildup at the source, it helps create a cleaner, more enjoyable home for your family and pets.

Our mineral blend, composed of FDA-recognized GRAS compounds, immediately binds to allergenic proteins such as Fel d 1 (cat dander), Can f 1 (dog dander), Der p 1 (dust mites), and Bla g 1 (cockroaches). This ionic interaction encapsulates the proteins, disrupting their stability and rendering them less biologically active.

Allergens are not just dust—they are highly stable proteins that can persist in fabrics, carpets, and the air. Our allergen spray works at the source by altering the structure of these proteins, neutralizing their ability to remain active in the environment.

Once encapsulated and destabilized, allergens aggregate and fall out of the air. On surfaces, they lose their ability to become re-aerosolized, cutting off the cycle of constant exposure that fuels allergy discomfort.

Allergen spray bottle with crystals on a light blue background

Up to 99% effective*

20+ Years of Research & Science in One Powerful Spray

Allergy Defender contracted with Inbio to get lab verified results to ensure our product was safe and effective for allergen sufferers worldwide.

The analysis method used: Multiplex Array for Indoor Allergens (MARIA®) 5-plex

What is MARIA: MARIA is an antibody-based immunoassay method developed by InBio utilizing Luminex xMAP® technology. The method has been validated through an international, multi-center trial, and the percent reduction of allergens is based on allergen concentration measured using the MARIA assay. 

The Results for Air & Surface

AIR: Air testing shows up to 95% Reduction of Major Allergens*

Based on the results from testing air samples collected from an environmental chamber, Allergen Spray effectively reduces dust mite, cat, and dog allergens after being sprayed in the air.

Surface: Surface testing up to 99% Reduction of Major Allergens*

Based on the results from surface samples collected from multiple testing procedures, Allergen Spray effectively reduces the number of allergens from dust mite and cockroach matter, and cat and dog dander from surfaces after being treated.

The result?A cleaner home - up to 95% of airborne allergens neutralized.

image of allergen spray bottle being sprayed in the air
Family-owned, family-focused.

Why Minerals Are the Gold Standard in Allergen Control

Allergen Spray addresses allergen proteins in your home with a 100% mineral-based formula—3rd-party lab verified to reduce up to 99%* of allergens on surfaces and up to 95%* in the air.

Our all-mineral approach means zero fragrances, zero harsh chemicals, and zero plant proteins. Made with FDA GRAS food-grade minerals, it's designed to be perfect for use around kids, pets, and people with sensitivities.

Developed by a father for his daughter who has asthma. Family-owned, family-focused.

image of the allergy defender family
Founded out of love

My Father's Promise to his Asthmatic Daughter

I almost died from an allergy-induced asthma attack brought on by two hypoallergenic poodles at the age of five. My father promised me he would never stop searching for a solution to help me. And he kept that promise. Together with a team of chemists, he formulated a product that changed my entire life. Today, that product has helped over 300,000 customers.

real customers. Real results.

Helping 300,000 Customers & Counting

  • MIRACLE BOTTLE!!!!

    I’m pretty sure this is the first review I’ve ever written- but this product is so life changing I felt like I had to for anyone going through the same thing as me! My bedroom was covered with dust and allergens unknow to me- and I couldn’t even sit in there 10 minutes without sneezing and dripping snot. I didn’t even get to dust yet just due to how my day went- but I figured I would give this a shot anyways and I sprayed it ALL over the room ; bedding headboard etc- AND LET ME TELL YOU - this is the first time I’ve been able to sit in this room without being miserable ever!!!!!! I have no idea the science behind it but the product is magical and I’m so so so so happy to not be miserable anymore ! JUST BUY IT !!!!

    -Carmen Caliente May 15th 2025

  • 1000% works!

    I bought this for use when a family member with a high allergy to cats visits my house (we have 3 cats). Usually they have red, itchy, watery eyes and has to take two types of allergy medicines during the visit. I sprayed this on everything (floors, couches, curtains, blankets). There were only a few sneezes during a 4 day visit and only one allergy medicine used for maintenance. I sprayed everyday, once in the morning. Some days I sprayed a second time. I am so happy with this product and will recommend it for anyone suffering allergens in the home. It’s great and effective!! The bottle came with powdered mix and all you have to do is add water! There is no smell. There’s no harmful chemicals and it is safe for the environment, pets and little kiddos! Love, love, love!

    -Susanne Stephens, August 3rd 2025

  • AMAZING!! Try it for yourself ☆☆☆☆☆

    I was super skeptical about spending the money on this, but this product is AMAZING. My daughter is very allergic to my dog and when she comes over she is sneezing, her eyes are swollen and red and her asthma is make her wheeze within 20 minutes. No matter how much I brush and bathe my dog, vacuum etc. She needed to stay with me for a few days and I was worried she wouldn't be able to breathe at all, so I read the reviews and tried it out. I sprayed the whole house before she came over, and she was completely fine. What kind of magical juice is this???...

    -Christina M Corrales June 9th 2025

Individual results may vary. Reviews are the honest opinions of customers and are not intended to represent medical claims. This product is a household cleaner and is not a substitute for medical treatment or medication.

Frequently asked questions

Where do allergens come from?

Dust Mites
Dust mites (Dermatophagoides pteronyssinus and Dermatophagoides farinae) are tiny, spider-like creatures that thrive in soft surfaces, such as mattresses, bedding, upholstered furniture, and carpets. These organisms occur naturally and are too small to be seen with the naked eye, but they thrive in warm, humid environments. Dust mites feed on the dead skin cells shed by humans and animals. Their feces and body parts contain potent allergens that can trigger reactions in sensitive individuals. Dust mite allergens can be found on surfaces and in the air throughout your home.

Cat & Dog Allergens

The primary cat allergen (Fel d 1) is a protein found in skin cells, fur sebaceous glands, and urine. And dog allergen (Can f 1) found in saliva and skin cells. It's important to note that pet hair itself is not an allergen, but it can trap other allergens like pollen and mold. Pet allergens are extremely small—about 2.5 microns in size, which is roughly one-tenth the diameter of a human hair. Because of their tiny size, these particles can easily become airborne and be inhaled. They can pass through HVAC filters and air purifiers, spreading throughout your home. Once airborne, pet allergen particles can remain suspended for hours, making them a common trigger for indoor allergies, potentially leading to asthma attacks and other respiratory issues. Additionally, pet allergens are lightweight and can cling to clothes and shoes, allowing them to spread quickly from room to room. This means that your home can harbor pet allergens even if you don’t have any pets.

What are allergens?

Allergens are substances that can cause an allergic reaction. The most common allergens are proteins found in dust mites, pollen, mold, dust, and animal dander. When these proteins come into contact with the mucous membranes of the nose or eyes, they can trigger an immune response. The body produces antibodies to fight off allergens, which can lead to symptoms such as sneezing, watery eyes, and a runny nose.

Just add water? The eco-conscious choice

Shipping water adds unnecessary weight, increasing carbon emissions and driving up costs. By adding your own water, you save money on shipping while helping reduce environmental impact. It's a win the for planet and your wallet.

Any type of water is fine, we usually recommend just using water from your tap.

How often & where should I spray?

We suggest using it as often as you need. Some customers may spray it everyday few days while others spray it once a week. It depends on what is best for you and your health.

HOW OFTEN:

Dust mite allergens: Use 3x time a week

Visitors have pet allergens: Use before and during

Moved to a new place: Use weekly

Severe pet allergens: Use daily or as needed

Light pet allergens: Use weekly

Dust bothers me: Use weekly

WHERE TO SPRAY:

In the air: Mist every room in your home

Soft surfaces: Upholstery, pet bedding, couch, bedding, pillows, curtains, carpet, mattress, most soft surfaces

Filters: Air filters, HVAC, vacuum cleaner

Other: Car, RV, hotel room

What are the ingredients & are they lab-tested?

Our Ingredients: FDA GRAS (Generally Recognized as Safe) Pure Sodium Sesquicarbonate, FDA Food Grade Mineral Phosphate Salts, and a touch of love.

No plant or enzyme-based ingredients, that could possibly trigger an allergic reaction.

Yes. Our ingredients are lab tested by the world leader in allergen detection systems, INBIO.

We spent 10+ years in research and development and have helped hundreds of thousands of customers. We utilize 3rd party testing to verify the safety and performance of our products continually.

Are there health benefits to owning a pet?

Owning a pet can bring about various health benefits. Many households have dogs, cats, hamsters, and guinea pigs as part of their families. These beloved furry companions not only offer companionship but also have been found to positively impact our well-being. Interacting with pets, such as by stroking their fur, has been known to decrease blood pressure and promote relaxation. Additionally, pets can provide a sense of comfort and emotional support, ultimately helping to alleviate anxiety and depression. Indeed, the advantages of owning a pet extend beyond mere companionship, making them a valuable addition to our lives.

Refills?

Yes, we offer our eco-friendly refill system. Our Refill 2 Pack makes over 64oz. and Our Refill 4 Pack makes over 128oz.

*Based on independent third-party laboratory testing

*Based on independent third-party laboratory testing, when used as directed

Overall rating: 4.7777777 / 5 from 36 reviews.

AI Generated Review Summary

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Review highlights

Reviews

"So far my allergies have been improving i will continue to use it."

Nathan (4/5)

"Easy to use; immediate results. Love the eco packaging!"

Cindy (5/5)

Its Amazing!

"I've lived with allergies and cats all my life. This spray has made my life a lot better. During 'allergy season's I spray the house and I can breath easier. Without any medication. It is definitely worth ordering again."

Roma R. (5/5)

Good stuff

"Just bought the packets and mixed in own bottle- dissolved well Spray all around Helps my asthma allergies The coolest thing is I spray it before my very cat-allergic dad comes over(along with the cleaning and hepa filters- which never totally helped) and he is symptom free after 1-2 hrs or more- before the spray it'd be 10 minutes and he was suffering"

Kristi (5/5)

Amazing people, products

"I met Chris and his friend one evening at Austin's Iconic Barton Springs pool. We discussed the surreal waters of Texas rivers and eventually discussed my long term allergy issues. I often have insomnia but when I do sleep I have fans blasting and wake up with awful cotton mouth, sore throat, plegm, etc. Chris really went above and beyond with customer service and helped me get exactly what I needed. I sleep great now and look forward to waking up. The spray is so simple and I wish I had discovered it sooner. You seriously need this!"

Joe C. (5/5)

Allergen spray

"It a great allergen spray"

Maxine F. (5/5)

It helps!

"I have not gotten complete relief with the spray, but it definitely has helped."

N. H. (4/5)

Never received

"Hello I never received the products and checked with neighbors as well"

Kirstjen N. (1/5)

Good product

"So far we’ve been using 3 x week and have noticed a difference in air quality! We have a cat and I have dust allergies so cleaning is a must along with air purifiers! This spray seems to be helping! Definitely recommend!"

Sarisha H. (4/5)

It works!

"I can’t keep my dogs off my bed, but between this and a jumbo lint roller, I can sleep and wake up without a sinus headache!"

Danielle R. (5/5)

Q&A

When spraying in the air, how much should I use? How many pumps of the sprayer per room?
Hello, Thank you for reaching out. You should spray the product in the air in such a way that the emitted mist falls across the entire space. This could mean as few as 20-30 sprays for your room, depending on the size. If you are treating severe allergies, we suggest spraying daily to start. As you feel your symptoms are improving, use the spray whenever you feel it is needed for maintenance. We hope we're helping you live a happier & healthier life with indoor allergies. -Allergy Defender