7,855+ TRUSTED REVIEWS
Goodbye 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.
Third-party lab verified
Up to 99% reduction of allergens
Chemist developed formula
Fragrance free & unscented
Up to 1,200sf of coverage
All natural ingredients, no harsh chemicals
Stock is Limited 48 units remaining at this price
Free US shipping & returns
30-day money-back guarantee
FEATURED IN
Backed by Science, Built for Families and Pets
Hidden allergens cause you discomfort
neutralize them naturally
Your home is filled with triggers like cat dander, dog dander, and dust mite allergens.
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.
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 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
Cleaning Misses, Purifiers Fall Short, and Meds Work Too Late
Allergens like pet dander and dust mites 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 treat the air that passes through them, leaving surfaces untouched. Daily cleaning can stir up allergens and medications only help after discomfort has begun. Allergen Spray works differently, neutralizing allergens at the source in the air and on surfaces in your home.
An Easy Ritual For
powerful results in as little as minutes a day.
The All Mineral Breakthrough Proven to
Deactivate Allergens at the Source
For decades, allergen management has relied on partial solutions — filters that trap particles after they’re already airborne, constant cleaning that never truly keeps up, and medications that only treat symptoms. Allergen Spray is the first lab-verified mineral breakthrough designed to neutralize allergens at the molecular level — preventing them from causing discomfort before the reaction even begins.
Ionic Encapsulation
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.
1
Protein Denaturation
Allergens are not just dust — they are highly stable proteins capable of surviving in fabrics, carpets, and the air. Allergy Defender alters their structural integrity, denaturing the proteins so they can no longer effectively bind to IgE antibodies, which are responsible for triggering allergic reactions.
2
Phase Shift: From Airborne to Settled
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.
3
The result? Fresher air: up to 99% fewer allergens.
20+ Years of Research & Science in one powerful spray
Our founder, Chris, spent years watching his daughter struggle with severe allergies and asthma. Medications offered little comfort and came with unwanted side effects. Determined to find a better solution, he poured his savings and his heart into researching natural alternatives.
Allergen Spray works at the molecular level to neutralize allergens where they start. Instead of masking with fragrance or trapping particles in filters, our mineral-based formulation destabilizes allergenic proteins like cat dander (Fel d 1) and dust mite fragments (Der p 1), reducing their impact in your home.
This is more than a spray. It’s lab-validated mineral science, designed to safeguard your family every day.
Up to 95%
reduction in the air
Up to 99%
reduction on surfaces
100%
clean mineral ingredients
Backed by Science
Eco-Friendly
Pet Friendly
Fragrance-Free
Drug-Free Solution
Mineral Ingredients
Made in the USA
20+ Years of Research & Science in one powerful spray
Our founder, Chris, spent years watching his daughter struggle with severe allergies and asthma. Medications offered little comfort and came with unwanted side effects. Determined to find a better solution, he poured his savings and his heart into researching natural alternatives.
A Breakthrough
A New Paradigm in Allergen Control
Traditional allergen management falls into three main categories:
Environmental modifications (HEPA filters, frequent cleaning, impermeable bedding covers).
Pharmaceutical interventions (antihistamines, corticosteroids, biologics).
Immunotherapies (allergy shots, sublingual tablets).
All of these either attempt to remove allergens after exposure (filters/cleaning), manage immune response symptoms (pharmaceuticals), or retrain immune tolerance (immunotherapy). Allergen Spray represents a fourth category: a direct, at-source neutralization technology that modifies the allergens themselves, reducing their biological activity before they can interact with the immune system.
Binding & Denaturation
Protein Chemistry and Allergenicity
The allergens that provoke asthma and allergic rhinitis are usually small, stable proteins (e.g., Fel d 1 in cats, Der p 1 in dust mites). These proteins are highly adhesive, airborne, and structurally resilient.
Allergen Spray disrupts allergen activity in two scientifically relevant ways:
Electrostatic binding and encapsulation: The mineral salts form ionic interactions with allergenic proteins, effectively reducing their capacity to remain airborne and causing discomfort at the internal level.
Structural denaturation: By shifting the local pH and hydration state, the allergenic proteins lose their conformational stability, rendering them less immunologically active.
This means the product does not just trap allergens—it biochemically destabilizes their allergenicity, which is a major advancement over mechanical filtration or simple cleaning.
Both Air & Surface
Dual-Phase Efficacy: Air and Surfaces
Most allergens exist in two domains:
Airborne phase (where they can be inhaled and immediately trigger respiratory reactions).
Surface phase (where they accumulate in fabrics, carpets, bedding, and upholstery).
Because of constant re-aerosolization, controlling only one domain is insufficient. Allergen Spray has demonstrated efficacy in both phases:
Up to 95% reduction in airborne allergens.
Up to 99% reduction on surfaces.
This dual action is scientifically important because it represents a closed-loop reduction—removing both the sources and the secondary airborne burden, which reduces long-term allergen loads in homes.
Lab Verified
Independent Laboratory Verification
Scientific rigor is established through reproducibility and third-party validation. Allergen Spray was tested using the MARIA® 5-plex immunoassay developed by Indoor Biotechnologies (INBIO), a world leader in allergen research.
Why this matters: MARIA uses Luminex xMAP® multiplex bead technology, which can simultaneously quantify multiple allergens with high sensitivity and specificity. This platform is used in academic research, pharmaceutical trials, and epidemiological studies.
Implication: Validation with MARIA places Allergy Defender’s results on the same measurement standard used in peer-reviewed allergen research worldwide, allowing its findings to be compared with other allergen interventions in scientific literature.
Both Air & Surface
Epidemiological and Environmental Health Significance
Asthma and Allergy Burden
Allergic diseases affect over 30% of the global population, with asthma alone affecting ~300 million people worldwide.
Allergen exposure is one of the primary modifiable risk factors for asthma exacerbations and chronic allergy symptoms.
By reducing allergen load at the source, Allergen Spray has the potential to lower exposure in millions of households—translating into safe, cleaner homes for the whole family and protecting kids where it matters the most.
Neutralization Without Addition
Many cleaning agents release VOCs or contain irritants that can worsen respiratory health. Allergen Spray's mineral-only, VOC-free formulation avoids introducing new triggers while neutralizing existing allergens.
Lab Verified
Mineral-Based Neutralization: Proven, Natural, Effective
Allergen Spray is built on a foundation of mineral science. Our formulation relies on food-grade & FDA GRAS compounds— chosen for their ability to interact with allergens at the molecular and biochemical level. Molecular Neutralization of Allergens
Allergens such as Fel d 1 (cat dander), Can f 1 (dog dander), and Der p 1 (dust mites) are small, highly stable proteins. Our mineral solution alters their electrostatic environment and pH balance, disrupting protein folding and reducing their ability to bind to IgE antibodies. This process effectively denatures and inactivates allergenic proteins.
Inactivation Without Irritants
Many allergen products rely on enzymes, essential oils, or synthetic chemicals, which can introduce new irritants or volatile organic compounds (VOCs). Minerals are non-reactive to the human body, free from VOCs, and fragrance-free, ensuring neutralization without the risk of added sensitizers.
Structural Stability
Unlike biologically derived enzymes or proteins that degrade, minerals are chemically stable over time. This ensures that the allergen-neutralizing mechanism remains consistent and effective with each application.
Environmental Health Benefits
By shipping minerals in a dry state, water is added at the point of use. This reduces transportation weight and carbon emissions, minimizes plastic consumption, and provides a sustainable delivery system that aligns with public health and environmental standards.
Through this mineral-based mechanism, Allergy Defender delivers a solution that is both scientifically validated and powerful — neutralizing allergens at their source without introducing additional triggers.
Why Minerals Are the Gold Standard in Allergen Control
By neutralizing allergens where they start, not just masking them, it creates an environment where you can breathe more freely, sleep more deeply, and feel truly at ease. Allergen Spray isn’t just another spray. It’s the lab-validated gold standard in allergen control — powered by minerals, designed for your home, and trusted to protect the people and pets you love most.
Helping 250,000 Customers & Counting
What started as a way to protect his daughter has become a trusted defense for families everywhere wanting fresher, safer homes.
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 !!!!
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!
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???...
Read our other 7,852 reviews here
When I was just five years old, I nearly died from an allergy-induced asthma attack triggered by two hypoallergenic poodles. My dad poured his life savings into working with a team of chemists to create something that would change my life. That breakthrough became the foundation of Allergy Defender. Born out of love, relentless dedication, and innovative science, our effective and sustainable formula continues to protect families like mine from the allergens that disrupt daily life.
A Father's Promise to his Asthmatic Daughter
Allergen Spray Vs Others
Allergen Spray goes further — filling the gaps that most products can't.
Allergen Spray
Used to Block Discomfort
Works at the Source
Whole-Home Coverage
Up to 99% Effective
Allergen Meds
Only act after exposure
Don’t address the environment at all
Contain active drug ingredients
Require time to work and regular dosing
Air Purifiers
Limited to air; can’t treat surfaces.
Replace filters often
You need one in every room to be effective
Expensive upfront + ongoing cost
Cleaning Alone
Vacuuming can stir allergens back into the air
Cleaning everything — floors, walls, furniture, mattresses, carpets, pillows, and more.
Requires cleaning every room
Requires hot water, HEPA vacuums, frequent effort
100% Happiness Guarantee
As a small, family-owned business, your trust means everything to us. That’s why we back every purchase with a 30-day money-back promise. If you’re not happy, we’ll make it right.
Answers to your questions
Do you have refills?
Yes! We offer convenient refill packs. Each refill is designed to work with your existing 32/33oz Allergen Spray bottle. Just add water, pour in one packet, and you’re ready to spray again. Refills give you long-lasting value, less plastic waste, and the same trusted formula — with a 4-pack bundle providing up to 128oz of allergen solution.
What exactly does Allergen Spray do?
Allergen Spray uses charged minerals to bind to and neutralize particles like pet dander, dust mite matter, and other triggers in the air and on surfaces. Once sprayed, the minerals surround and break down these particles, helping your home feel fresher and more comfortable.
How do I use it?
Just fill your spray bottle with tap water, shake until dissolved, and spray into the air or on surfaces like carpets, bedding, and furniture. Use daily, or as often as needed—especially after cleaning or vacuuming when particles get stirred up.
How much area does one bottle cover?
A single 33.8 oz bottle typically provides up to 30 days of coverage for an average home, though this may vary based on your environment. For larger spaces or extended use, our bundle options are the best choice for complete whole-home protection.
How soon will I see results?
Many people notice a difference right away—sometimes within just a few minutes of spraying. For others, it can take a few applications over several days to feel the full effect. This is because every home has a unique level of allergens, and every body responds differently. Factors like how many pets you have, how much dust or dander has built up, and how sensitive your immune system is can all play a role. Consistent use will give you the best results, helping to reduce allergens in your environment over time.
What if it doesn’t work?
Every person and home is different, which is why we offer a 30-day money-back promise. If you’re not happy, simply contact us for a full refund within 30 days—no questions asked.
What’s the full list of ingredients?
We use only 100% minerals that are commonly found in the foods you eat daily like dairy, meat and used in water softening. No harsh chemicals.
Our Ingredients: FDA & GRAS pure sodium sesquicarbonate, FDA food grade mineral phosphate salts.
WE NEVER USE:
FRAGRANCES
VOCS
HARSH CHEMICALS
PLANT OR PETROLEUM BASED INGREDIENTS
We prioritize your well-being with a hypoallergenic spray that contains no plant extracts, enzymes, zeolite, petroleum, essential oils, or harsh chemicals. It's free from fragrances and unscented.