7 Non-Toxic Indoor Bug Sprays Safe for Humans and Pets

I tested and reviewed the best non-toxic indoor bug sprays safe for humans and pets in 2026. As concerns about insect-borne illnesses such as dengue, West Nile virus, Zika, and Lyme disease continue to grow, many people want ways to reduce indoor pests without relying exclusively on conventional pesticide-heavy products. My interest in this topic became more personal after having newborn twins earlier this year.

Active chemicals like pyrethrins and Organophosphates are designed to repel or kill pests, but they also contaminate your air, irritate your skin, and pose long-term health risks, especially for children. Pets can also become sick if they lick, ingest, or are directly exposed to concentrated products.

For this guide, I focused on insect repellent brands with plant-based and lower-toxicity indoor bug spray safe for babies, dogs, and cats that disclose their active ingredients and use ingredients reviewed by regulators where applicable. I evaluated them based on effectiveness, scent, ease of indoor use, residue, ingredient transparency, and household practicality.

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Mosquitoes are no longer just annoying. They’re dangerous. In 2026, the risk is rising fast.

Dengue fever, or “break-bone fever”, is surging globally, according to the 2025 CDC statistics. Over 13 million cases hit the Americas in 2024. This year, infections have already reached 1.4 million across 50+ countries. One in four infected people develops symptoms. High fever, rashes, nausea, and body pain are common. One in twenty cases becomes severe. That can be deadly — and your risk rises with each infection.

Experts blame the climate crisis. Hotter temperatures and extreme weather fuel mosquito and tick populations. The Aedes aegypti mosquito, which spreads dengue, thrives in warm, wet conditions. Once limited to tropical zones, it now lives across the southern U.S., and it’s spreading north. Mosquitoes are already found in Washington D.C., and California’s Bay Area.

Earlier in 2026, the National Pest Management Association (NPMA) warned us about a very active pest season.

And it’s not just mosquitoes. Lyme disease, spread by ticks, has exploded. Diagnoses rose 357% in rural areas and 65% in cities over the past 15 years. The CDC warns: that pest-borne diseases are a “large and growing public health problem.”

So what can you do?

You need strong indoor protection. But not all bug sprays are safe. Many are loaded with toxic chemicals that pollute your air, harm pets, and irritate skin. Some even affect hormones or trigger asthma. The EPA notes that 80% of most people’s exposure to pesticides occurs indoors, with measurable levels of up to a dozen pesticides found in the air inside homes. These substances can compromise indoor air quality and pose health risks, especially to children and pets. 

That’s why non-toxic indoor bug spray is the safer choice in 2025. It works against pests without poisoning your home. These non-toxic indoor pest sprays use ingredients the EPA lists as safer for humans and pets.

You’ll learn how to pick the safest indoor insecticide, what to avoid, and how to protect kids, pets, and even houseplants.

What Makes Indoor Insect Spray Toxic to Humans and Pets

• Pyrethroids (e.g., Permethrin, Cypermethrin, Bifenthrin): These are man-made versions of natural compounds from chrysanthemum flowers. Synthetic versions like permethrin, cypermethrin, and bifenthrin can irritate the lungs, skin, and eyes. They’re especially harmful to cats and aquatic animals. Kids and pets are more likely to be affected because they play on treated floors and put things in their mouths.
• Organophosphates (e.g., Chlorpyrifos): Although now banned in many residential products, traces still exist in older sprays and some foggers. Organophosphates affect the nervous system and have been linked to long-term health problems, especially in children.
• Synthetic Fragrances contain VOCs: Many sprays contain fragrances, solvents, and aerosol propellants. These release VOCs into the air, lowering indoor air quality. Breathing in VOCs over time can worsen asthma, trigger allergies, and irritate the throat and lungs.
• Alcohol and Petroleum-Based Carriers: These help sprays dry quickly but come with risks. They’re flammable and may carry harmful residues into the air. When sprayed indoors, especially in poorly ventilated rooms, they can cause breathing issues or allergic reactions.

Related Post: Safest Non-Toxic Space Heaters

Is DEET Non-Toxic?

No, DEET is not considered non-toxic, but it is generally considered safe for human use when used according to label directions.

DEET (N, N-Diethyl-meta-toluamide) has been used for over 60 years and is one of the most studied insect repellents in the world. It’s approved by the EPA and supported by CDC, WHO, and multiple peer-reviewed studies for both its safety and effectiveness. As of April 2025, there are no proven cases of severe toxicity from normal use. Rare side effects (e.g., rash or mild neurological symptoms) were reported mostly in overexposure or misuse cases, such as ingestion or heavy, repeated application in enclosed areas.

A 2017 review published in Toxicol In Vitro and other safety assessments concluded that DEET poses low risk when used properly — even for children. Both Health Canada and the Canadian Paediatric Society advise against the use of DEET on children under 6 months of age.

EPA, on the other hand, mentions that DEET is approved for use on children with no age restriction. Yet, the American Academy of Pediatrics says DEET can be used safely on children over 2 months old in concentrations under 30%. 

So Why Do People Avoid DEET Indoors?

Even though DEET isn’t technically toxic when used correctly, it’s not ideal for a non-toxic home bug spray for a few important reasons:

• It’s a synthetic chemical. Many people want to reduce their total chemical exposure at home — especially around babies, pets, or plants.
• It has a strong smell and can irritate the skin and eyes. Sensitive users may get rashes or feel dizzy in poorly ventilated spaces.
• It’s not meant for surfaces, fabrics, or home air. DEET is a skin repellent — not a spray for furniture or the air. Using it inside can lead to residue build-up, especially on furniture, bedding, or carpets.
• It can damage plastics and synthetic materials. DEET can break down eyeglass frames, watch bands, nail polish, and even synthetic flooring.

So, when you shop for non-toxic indoor bug sprays, stay clear from DEET formulas.

Related Post: Natural Alternative to Hairspray

The Safest Ingredients for Non-Toxic Indoor Bug Spray

(Approved by the EPA, EWG, and Safe for Use Indoors)

These active ingredients are registered by the U.S. Environmental Protection Agency and highly rated by the Environmental Working Group (EWG) for safety. Some are even used in food or personal care products. So, swap toxic formulas with one of the many indoor non-toxic bug sprays for home with the following ingredients:

Picaridin

• Approved by: EPA
• EWG Safety Rating: Low hazard
• What it does: Repels mosquitoes, flies, and gnats
• Why it’s safe: Derived from the lemon eucalyptus plant, offers long-lasting protection (up to 12 hours). It’s lab-tested and nearly as effective as DEET, but with fewer side effects. Picaridin is safe for use on children over 2 months old, as noted by the CDC. This is similar to DEET, but picaridin is less likely to cause irritation or discomfort. When used as a non-toxic indoor bug spray, it doesn’t damage fabrics or surfaces.

Unlike DEET, which can degrade plastics, vinyl, and some fabrics, picaridin is much less likely to cause damage to indoor furniture, carpets, or electronics. This makes it a better option for homes with delicate or expensive items that could be affected by harsher chemicals. Picaridin has a neutral scent or a very light citrus-like smell. It’s far less pungent than DEET, which is another reason it’s ideal for an non-toxic home bug spray.. It doesn’t leave lingering odors in your home, unlike more traditional chemical sprays.

Oil of Lemon Eucalyptus (OLE / p-Menthane-3,8-diol or PMD)

• Approved by: EPA
• EWG Safety Rating: Low hazard
• What it does: Repels mosquitoes, flies, ticks, and gnats
• Why it’s safe: Derived from the lemon eucalyptus plant, this non-toxic indoor insect spray ingredient is lab-tested and nearly as effective as DEET, but with fewer side effects. A study found that lemon eucalyptus oil provides similar protection to DEET (up to 95% for several hours).

⚠️ Note: Not for use on kids under 3.

Cedarwood Oil

• Approved by: EPA (as a minimum-risk pesticide)
• EWG Safety Rating: Low hazard
• What it does: Repels moths, cockroaches, ants, and fleas
• Why it’s safe: Naturally disrupts insect neurotransmitters. Safe around pets and commonly used in pet bedding sprays.

Citronella Oil

• Approved by: EPA
• EWG Safety Rating: Low hazard
• What it does: Repels mosquitoes, gnats, and flies
• Why it’s safe: Derived from lemongrass. Widely used in candles and lotions. Non-toxic, but not long-lasting indoors unless combined with other oils.

Geraniol

• Approved by: EPA
• EWG Safety Rating: Low to moderate hazard (depending on concentration)
• What it does: Targets mosquitoes, flies, and ticks.
• Why it’s safe: Plant-derived alcohol found in roses and citronella. Powerful yet biodegradable.

Eugenol (from Clove Oil)

• Approved by: EPA (as a natural pesticide)
• EWG Safety Rating: Moderate hazard in high doses; low in diluted sprays
• What it does: Kills and repels mosquitoes, ants, and fleas.
• Why it’s safe: A natural insect neurotoxin at low doses. Not recommended in large amounts near cats.

Neem Oil

• Approved by: EPA
• EWG Safety Rating: Low hazard
• What it does: Interrupts insect reproduction, repels bugs, and reduces infestations.
• Why it’s safe: Pressed from neem tree seeds. Often used in non-toxic bug spray for indoor plants. May have a strong smell, but very low toxicity.

2-Undecanone

• Approved by: EPA
• What it does: Repels ticks and mosquitoes
• Why it’s safe: Naturally found in tomatoes and other plants. Considered a safer alternative to DEET for tick-heavy regions.

Castor Oil

• Approved by: EPA
• What it does: Repels mosquitoes and ticks
• Why it’s safe: Also used in lip balms and skincare. Common in baby-safe repellent blends.

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Best Non-Toxic Indoor Bug Sprays for Safe Pest Control

1. Ecovenger Non-Toxic Indoor Insect Spray

• Active Ingredients: Cedar oil 1.0%, Geraniol 1.0%, Sodium lauryl sulfate 0.2%
• Uses: Fleas, fruit flies, gnats, moths, wasps, scorpions, mosquitoes, roaches, spiders
• Features: Works for 3 to 4 weeks, safe for pets and people

Ecovenger is the best non-toxic indoor bug spray I’ve tested in 2026.

It’s a top-rated, natural formula that outperforms many other natural products, according to the leading university study published by the Journal of Economic Entomology. , including those resistant to traditional treatments. It kills all stages of insects, from adults to eggs, making it highly effective against pests like cockroaches, spiders, and mosquitoes.

I’ve used it around the house and noticed a significant reduction in insects, with protection lasting up to 4 weeks. The formula is EPA-approved, non-toxic, and safe for family use. And unlike other products, EcoVenger works on even the most stubborn pests. It’s an essential tool for anyone looking for a powerful, eco-friendly pest solution.

Shop on Amazon – $18.95

2. Wondercide Indoor Pest Spray

• Active Ingredients: 5.7% cedarwood oil, 2.2% sodium lauryl sulfate (Derived from Plants), 0.1% sesame oil. 
• Uses: Kills ants, roaches, spiders, flies, fleas, ticks, wasps, scorpions, mosquitoes, fruit flies, silverfish, moths, gnats, carpet beetles, earwigs, palmetto bugs, waterbugs.
• Features: Safe for pets and people, made in the USA, cruelty-free, and can be used on beds, furniture, carpets, kitchen, and panties. 

I was looking for a USA-made indoor bug spray safe for humans and pets, and found Wondercide.

This non-toxic home bug spray kills and repels a wide variety of pests, from ants to mosquitoes, making it perfect for any bug problem. I used it to tackle carpet beetles and gnats in my new apartment, and I haven’t had an issue since. The best part? It’s safe for pets when used as directed, so I can spray it freely around my dogs and cats without worry.

The natural essential oils leave my home smelling extremely fresh. It’s a reliable, plant-powered alternative to traditional bug sprays that really gets the job done.

Shop on Amazon – $26.99

3. EcoRaider Non-Toxic Bed Bug Killer Spray

• Active Ingredients: Geraniol 1.0%, Cedar Oil 1.0%, Sodium lauryl sulfate 2%
• Uses: Bed bugs. More options for moths and spiders, Mosquitoes, or ants and roaches.
• Features: Certified USDA BioBased, safe for pets and children

EcoRaider is the best certified USDA BioBased house bug spray for bed bugs.
It tackles all stages of bed bugs, including those resistant to traditional pesticides, with 100% efficacy. After using it on my own mattress that was left in our summer home, I can say with certainty that it works surprisingly well. The product provides extended protection, lasting up to two weeks, even after drying. While the odor is a bit strong initially, it’s a small price to pay for a safe, non-toxic solution.  

Shop on Amazon – $18.04

4. Kate’s Home & Garden Peppermint Oil Spray

• Active Ingredients: Cedarwood Oil, Peppermint Oil
• Uses: Indoor and outdoor insect repellent. More options for ants, spiders, roaches, flies, stink bugs, and other household insects.
• Features: Plant-based formula, DEET-free, designed for indoor household use, marketed for use around pets and children when used as directed.

If you’re looking for a more natural alternative to traditional bug sprays for spiders and ants, the Kate’s Home & Garden Peppermint Spray is a surprisingly effective option for keeping creepy crawlers out of your space without filling your home with harsh chemical fumes.

The formula uses peppermint and cedarwood essential oils instead of synthetic pesticides, giving it a strong minty scent that bugs genuinely seem to hate. During testing, it worked especially well as a spider repellent indoors. After regular spraying around bathroom corners, windows, and entry points, spiders noticeably stopped showing up as often. It doesn’t kill insects instantly like chemical sprays, but it does a good job encouraging them to stay away from treated areas.

Unlike conventional bug sprays that can leave behind a harsh chemical smell, this one smells more like peppermint essential oil. 

The non-toxic indoor bug spray is versatile, too. Besides spiders, it’s designed to repel ants, stink bugs, flies, fleas, silverfish, earwigs, and other common household pests. The large 16oz bottle lasts a long time as well, especially since a little goes a long way around windows, baseboards, bathrooms, and entry points.

One thing to keep in mind is that this works best as a preventative repellent rather than a heavy-duty exterminator. You’ll likely need to reapply regularly, especially during warmer months or after cleaning, to maintain results.

Shop on Amazon – $17.99

5. Murphy’s Naturals Mosquito & Tick Bug Repellent Spray

• Active Ingredients: Oil of Lemon Eucalyptus (30%).
• Uses: Mosquitos and ticks
• Features: 6 hours of mosquito protection and 4 hours of tick protection, safe for kids

Sofia bought Murphy’s Naturals mosquito repellent for her kids, who were getting eaten alive by mosquitoes. Living in a humid, mosquito-infested area like London, that’s sadly the norm. This non-toxic indoor bug spray, powered by natural lemon eucalyptus oil, kept mosquitoes and ticks away for hours. It’s completely free from synthetic additives and doesn’t harm gear, making it safe for their sensitive skin. Personally, Sofia and her oldest really like the Lemon scent, but her youngest isn’t the biggest fan. This is something you should keep in mind.

Shop on Amazon – $19.98

6. Babyganics Natural Insect Repellent

• Ingredients: Soybean Oil 95.89%, Citronella Oil 2.00%, Rosemary Oil 1.50%, Lemongrass Oil 0.50%, Peppermint Oil 0.10%, Geranium Oil 0.01%
• Uses: Mosquitoes, gnats, and flies
• Features: Safe for babies

Sofia tried this Babyganics formula on their youngest and can confirm that it’s one of the safest bug sprays for indoors and outdoors. Made with natural essential oils like citronella and peppermint, it smells surprisingly pleasant. I use it on my baby girl, and it works great, even in mosquito-heavy Alabama.

The formula is DEET-free and free from harsh chemicals, making it safe for little ones. It does feel a bit oily, so she bathes her after outdoor play, but that’s expected with oil-based sprays. Overall, it’s an effective, natural choice she’ll definitely keep buying it!

Shop on Amazon – $14.29

7. California Baby Natural Bug Spray

• Ingredients: Citronella Oil 5%, Cedar 0.5%, Lemongrass Oil 0.5%, Peppermint
• Uses: Mosquitoes
• Features: Safe for babies 6 months+, made in an FDA registered, certified organic facility located in Los Angeles, California

Sofia tried this Babyganics formula on their youngest and can confirm that it’s one of the safest bug sprays for indoors and outdoors. Made with natural essential oils like citronella and peppermint, it smells surprisingly pleasant. I use it on my baby girl, and it works great, even in mosquito-heavy Alabama. The formula is DEET-free and free from harsh chemicals, making it safe for little ones. It does feel a bit oily, so she bathes her after outdoor play, but that’s expected with oil-based sprays. Overall, it’s an effective, natural choice she’ll definitely keep buying.

Shop on Amazon – $14.29

Safety Rules for Applying Bug Spray Indoors

Using a non toxic indoor bug spray still needs care. Safe use protects your family, pets, and home. Follow these simple rules for peace of mind.

• Ensure Proper Ventilation and Timing: Always spray in a well-ventilated room.  Open windows and use fans if possible. It’s best to use the non-toxic indoor bug spray when people and pets are out of the room. Let the area air out before re-entry. P.S. Never spray right before bedtime or gatherings.
• Never Spray Near Food Prep Areas: Keep your non-toxic home bug spray away from kitchens.  Never spray near counters, cutting boards, or utensils.  Cover food and surfaces before spraying nearby.  Clean surfaces well after treatment, just to be safe.
• Safe Usage Near Babies and Pets: Babies and pets are sensitive to any sprays, even non-toxic indoor insect spray. Avoid spraying near cribs, bedding, or play areas.  Keep pet bowls, beds, and toys away from treated zones.  Wait until the spray dries fully before letting them back in.  Choose products labeled indoor bug spray safe for humans and pets.
• Patch Test on Surfaces Before Full Use: Surfaces react differently to sprays. Test your non-toxic house bug spray on a small hidden spot.  Wait 24 hours to check for staining or damage.  If all looks good, proceed with full treatment.  This is especially important for delicate furniture and fabrics.
• Don’t Mix with Other Cleaning Agents: Never combine non-toxic bug spray with other products. Mixing can cause dangerous fumes or reduce effectiveness. Use sprays exactly as the label instructs. Stick to one product at a time for safe results.

Safe Indoor Bug Spray Use for Children & Pets

When using non toxic indoor pest sprays around children and pets, extra caution is needed. Here’s how to ensure safety while keeping your home pest-free.

• Pediatrician-Approved Formulas: Choose a non-toxic bug spray that’s pediatrician-approved. Look for labels that specify safety for children. Many brands offer gentle formulas free from harsh chemicals. These sprays target pests without harming little ones.
• Where & When to Apply: Spray clothing or outer layers, not directly on the skin.  Avoid spraying on bedding or where children sleep.  Apply the safest bug spray for indoors in rooms where kids are not present. Wait until the surfaces dry completely before allowing contact. Also, use non-toxic indoor bug sprays only in well-ventilated areas for extra safety.
• Kid-Safe DIY Repellents: For natural alternatives, make your own kid-safe repellents. Dilute essential oils like lavender or lemon. Mix with water in a spray bottle for a safe bug repellent.  Create protective mesh zones in play areas to keep bugs out.  Avoid using strong oils like eucalyptus or citronella around little kids.
• Pet Toxicity Awareness: Be cautious with pets and essential oils in non-toxic house bug sprays.  Avoid sprays with tea tree oil, pennyroyal, or citrus.  These oils can be toxic to cats and dogs.

I also reviewed a range of other lower-toxicity and home-safe alternatives beyond bug sprays, including non-toxic wallpaper, natural alternatives to hairspray as well as the best non-toxic cleaning products.

Diy Non-Toxic Indoor Insect Spray

Creating your own non-toxic indoor insecticide is a cost-effective way to fight pests. However, it’s essential to follow proper recipes and understand the limitations.  Homemade sprays can vary in strength. If you don’t measure your ingredients accurately, results may be inconsistent.  Lab-tested sprays have been fine-tuned for optimal effectiveness and reliable results. Here’s how to make your own non-toxic indoor bug spray and what to consider.

Basic Peppermint Spray

• 1 tablespoon of peppermint essential oil
• 1 cup of water
• 1 teaspoon of non-toxic dish soap (helps oil mix with water)
• Shake well and spray directly on bugs or around doorways and windows.
• Peppermint repels ants, spiders, and cockroaches.

Lemon Eucalyptus Spray

• 10 drops of lemon eucalyptus oil
• 1 cup of water
• 1 tablespoon of witch hazel (acts as a natural preservative)
• Shake before use. This blend is great for mosquitoes and flies.

Lavender & Clove Spray:

• 10 drops of lavender essential oil
• 10 drops of clove essential oil
• 1 cup of water
• 1 tablespoon of rubbing alcohol
• Shake well. This is ideal for a variety of pests, including fleas and moths.

DIY Vinegar, Witch Hazel, and Soap Blends

These simple ingredients create non-toxic bug sprays for everyday use. They are effective against ants, fruit flies, and spiders.

Vinegar & Water Blend:

• 1 cup white vinegar
• 1 cup water
• 1 tablespoon of dish soap
• Spray directly on insects or around cracks and crevices.
• The vinegar disrupts their scent trails, while the soap kills them on contact.

Witch Hazel & Soap Spray:

• 1 cup witch hazel
• 1 tablespoon of liquid soap
• 1 cup of water
• This blend works as a natural repellent for fleas, mosquitoes, and ticks.

Citrus Soap Spray:

• 1 cup water
• 1 tablespoon lemon juice
• 1 teaspoon dish soap
• This is especially effective for killing ants and fruit flies.

More Ways to Repel Bugs Naturally in Your Home

In my testing, the most effective approach wasn’t relying on a single indoor bug spray safe for humans and pets. It was combining lower-toxicity sprays with prevention steps that make the home less attractive to insects in the first place.

• Seal entry points: Use weather stripping, door sweeps, and seal gaps around windows, pipes, and baseboards to stop insects before they enter.
• Reduce standing water: Empty trays, buckets, clogged gutters, and plant saucers to make your home less attractive to mosquitoes and gnats.
• Control moisture indoors: Fix leaks and use ventilation or dehumidifiers in damp areas where pests thrive.
• Store food in sealed containers: Especially grains, pet food, fruit, and snacks that attract ants and pantry pests.
• Keep counters and floors crumb-free: Regular cleaning reduces food sources.
• Use window and door screens: One of the most effective non-chemical barriers.
• Vacuum regularly: Helpful for removing insects, eggs, and food residue.
• Use fans and airflow: Mosquitoes and flying insects are weaker fliers and often avoid moving air.
• Try targeted plant-based repellents: Products using ingredients such as peppermint, citronella, cedarwood, rosemary, or lemongrass may help discourage certain insects (effectiveness varies by pest).
• Use warm-spectrum outdoor lighting: Outdoor lights can attract fewer insects than bright cool-white lighting.
• Manage indoor plants carefully: Avoid overwatering and remove decaying leaves to discourage fungus gnats.
• Remove clutter: Cardboard piles, fabric stacks, and storage corners can become hiding places.

For more non-toxic living guides, check out:

• Plastic-Free Pill Organizers
• Tea Bag Brands Without Microplastics
• Plastic-Free Breast Milk Storage Bags
• Non-Toxic Microwave Steamers
• Non-Toxic Loaf Pans
• Food-Safe Ceramic Paint for Mugs
• Clean Chapstick Brands for Kids
• Aluminum Foil Alternatives
• Eco-Friendly Patio Heaters
• Non-Toxic Measuring Cups

Final Thoughts on the Best Non-Toxic Home Bug Sprays

There you have it, a complete list of non-toxic indoor insect sprays, tested and approved. Conventional bug sprays often contain harsh chemicals that risk your health and home environment. They can trigger allergies, skin irritation, and respiratory issues — especially around kids and pets. Thankfully, today’s non-toxic indoor bug spray options offer safer, more effective alternatives.

Choose the safest bug spray for indoors and enjoy peace of mind with chemical-free bug spray or toxic-free bug spray formulas. Look for products labeled as indoor bug spray safe for humans and pets or non-toxic indoor insecticides to avoid harmful residues. Remember, while a non-toxic insect killer works for everyday pests, serious infestations or pesticide-resistant bugs may need professional help. If pests keep returning despite your efforts with non-toxic indoor pest spray, it’s time to call an expert.

Konstantina Antoniadou, Chemicals & Health Expert

Senior Writer, Product Researcher & Tester

Konstantina Antoniadou is an expert sustainability writer, certified in Chemicals and Health by Johns Hopkins University, where she focused on the toxicity of commonly found household chemicals and their health impacts. She has also completed specialized studies in Sustainable Fashion (Copenhagen Business School), Business Models for Sustainability (BMS), and Sustainable Development Goals (University of Copenhagen), deepening her expertise in the connection between personal choices and global environmental change. With years of experience as a senior writer and researcher, Konstantina now leads our reviews of non-toxic home products, beauty and skincare brands, and sustainable fashion. K. is also the creator of the popular 7-Day Non-Toxic Living Challenge, downloaded over 2,000 times and praised for its accessible, science-backed tips.