Ever been enjoying a beautiful evening outdoors, only to have a swarm of tiny, buzzing gnats turn your paradise into a frustrating ordeal? These minuscule pests are masters at ruining picnics, hikes, and even simple backyard relaxation. It feels like nothing works against them, and the sheer number of repellent options on the store shelves can make your head spin.
Choosing the right defense against gnats is tough. Many products promise relief but fail miserably against these persistent biters. You worry about harsh chemicals, ineffective sprays, and wasting money on something that doesn’t deliver. Don’t let these annoying insects drive you inside all summer long!
This guide cuts through the confusion. We will explore the best, most effective insect repellents specifically targeting gnats. You will learn what ingredients actually work and how to apply them for maximum protection. Get ready to reclaim your outdoor time!
Top Insect Repellent For Gnats Recommendations
- INSECT REPELLENT: Our original repellent works to effectively repel gnats and mosquitoes for up to an hour. It can easily be reapplied as needed and will not damage plastic or most fabrics.
- WATER-BASED FORMULA: Our formula consists of a blend of essential oils that are not sticky or greasy. This makes it a great fit for kids and the whole family.
- ENJOYABLE SCENT: The repellent offers a refreshing Vanilla Mint Rose scent so you can enjoy avoiding insects without any harsh chemical smell.
- EASY TO APPLY: The repellent is easy to use, simply hold the container 4 to 6 inches from dry skin or clothing and spray. It can also be used on your face by spraying it on your hands first and then applying sparingly while avoiding eyes and lips.
- BUGG PRODUCTS: With almost 30 years of experience Bugg continues to create products that effectively work to protect you and your spaces from all kinds of insects without the normal chemical bug spray smell.
- REPELS MOSQUITOES: Repels mosquitoes, including those that may transmit the Zika, West Nile, Dengue and Chikungunya viruses.
- CONTAINS 98.11% DEET: Formulated for protection in severe insect conditions.
- PROTECTS FOR UP TO 10 HOURS: Provides long-lasting protection, so you don't have to limit your family’s adventure because of mosquitoes.
- ALSO REPELS TICKS, GNATS, BITING FLIES, CHIGGERS & FLEAS: Repel these annoying bugs that can spoil the outdoors.
- PUMP SPRAY: Perfect for outdoor travel – the compact size stores perfectly with whatever adventure gear you're taking that day.
- Use on Flies, Gnats, Mosquitos and More - Zevo Flying Insect Spray is a versatile insect killer that can be used for targeted pest control. Spray it as a gnat or fruit fly killer, or to kill mosquitos or house flies on contact.
- Fast Acting Formula - This solution is the perfect bug spray for home use. Zevo uses a smart formula to kill on contact and no messy residue left behind.
- Powered by Essential Oils - Zevo insect repellent uses bug-deadly essential oils to deliver a powerful fruit fly spray and more. Infused with plant-based rosemary and cornmint oils, this formula is safe for use around people and pets when used as directed.
- For Indoor and Outdoor Spaces - Use Zevo as an indoor insect killer or outdoor multi-insect and ant spray. It can be sprayed in your kitchen, living room, patio and more, but avoid using on surfaces where food is prepared or stored.
- Shop Every Formula - Our Multi-Insect Spray, Flying Insect Spray, and Crawling Insect Killer are all designed to help users kill bugs on contact. Simply spray to kill, then wipe to clean up anything left behind.
- Use on Flies, Gnats, Mosquitos and More - Zevo Flying Insect Spray is a versatile insect killer that can be used for targeted pest control. Spray it as a gnat or fruit fly killer, or to kill mosquitos or house flies on contact.
- Fast Acting Formula - This solution is the perfect bug spray for home use. Zevo uses a smart formula to kill on contact and no messy residue left behind.
- Powered by Essential Oils - Zevo insect repellent uses bug-deadly essential oils to deliver a powerful fruit fly spray and more. Infused with plant-based rosemary and cornmint oils, this formula is safe for use around people and pets when used as directed.
- For Indoor and Outdoor Spaces - Use Zevo as an indoor insect killer or outdoor multi-insect and ant spray. It can be sprayed in your kitchen, living room, patio and more, but avoid using on surfaces where food is prepared or stored.
- Shop Every Formula - Our Multi-Insect Spray, Flying Insect Spray, and Crawling Insect Killer are all designed to help users kill bugs on contact. Simply spray to kill, then wipe to clean up anything left behind.
- PET-FRIENDLY & FAMILY-SAFE FORMULA – Mighty Mint is a top pick for pet parents looking for a natural pest control solution. Safe to use around dogs, cats, and kids when applied as directed—no harsh fumes or dangerous chemicals, just powerful peppermint protection you can trust.
- POWERFUL PLANT-BASED PEST CONTROL – Formulated with extra-concentrated peppermint oil, this spray is a proven deterrent for spiders, ants, roaches, and more.
- EFFECTIVE INDOOR & OUTDOOR USE – Designed for versatile application on baseboards, entryways, patios, and other areas. Helps repel insects from kitchens, bathrooms, living spaces, and more—without staining surfaces.
- FRESH MINTY SCENT WITH LONG-LASTING EFFECT – Infused with pure peppermint oil, this formula leaves a crisp, clean aroma that lingers without overwhelming. Free from synthetic fragrances and common allergens, making it a gentle option for scent-sensitive households.
- READY-TO-USE 16 OZ SPRAY FOR TARGETED APPLICATION – Perfect for quick treatments in high-traffic areas, this 16 oz bottle delivers fast, focused pest control against spiders, ants, and other common insects. Pre-mixed and easy to use—just spray and go for natural protection wherever it’s needed most.
- GNAT CONTROL FOR INDOOR PLANTS: Our powerful gnat spray for indoor plants kills fungus gnats, spider mites, and fruit flies; it's the perfect solution for getting rid of fruit fly and fungus gnats
- FUNGUS GNAT SPRAY FOR INDOOR PLANTS: This gnat spray is effective for getting rid of gnats in plants; ideal use as an outdoor or indoor plant bug spray for insects to control and eliminate pests
- GNAT KILLER INDOOR: Made with natural ingredients in the USA; our spray contains peppermint and rosemary oil, a natural and safe solution that works just as well as neem oil spray for houseplant insect control, indoor plants and outdoor gardens
- NON-TOXIC PLANT GNAT TREATMENT: This peppermint oil spray for bugs is safe for use around children and pets when used as directed; it effectively repels flying pests, small mites, and get rid of gnat infestation, keeping your plants and home pest-free
- EASY TO USE PLANT BUG SPRAY: Shake the plant spray bottle well before use; test spray on 1-2 leaves and wait 2 hours before spraying the entire plant, avoiding new leaf growth; apply liberally on soil to target pests, eggs, and larvae; for best results, use this gnat killer for indoor plants & outdoor gardens once a week or as needed; this 16oz peppermint spray for plant insects has up to 1,500 sprays; if the sprayer is broken, please contact us for a replacement
- Botanical Insect Protection: Made with a unique blend of natural essential oil active ingredients including citronella, lemongrass, rosemary and geranium oils to repel gnats, mosquitoes and biting flies
- Effective and DEET-Free**: Protects effectively against a wide range of biting insects using a DEET-free formula**. Ideal for those seeking a repellent with natural active ingredients that doesn’t compromise on performance
- Enjoy the Outdoors Again: Suitable for use around children and pets when used as directed*. Ideal for gatherings, everyday outdoor moments and worry-free protection
- Quick-Drying Formula: Applies easily without leaving a sticky residue. The lightweight spray dries quickly, allowing you to spray and go, while staying comfortable throughout your outdoor adventures
- Lightweight with a Fresh Scent: Non-greasy, quick-drying formula with coconut and olive oils. Leaves skin smooth, not sticky, with a pleasant, fresh scent
The Ultimate Buying Guide for Effective Gnat Repellent
Tiny, annoying, and everywhere! Gnats can ruin an otherwise perfect outdoor moment. Choosing the right repellent is key to enjoying your time outdoors without the constant buzzing. This guide helps you pick the best defense against these persistent pests.
Key Features to Look For
When shopping for gnat repellent, several features make a big difference in how well it works and how you feel using it.
Duration of Protection
How long does the repellent last? Some sprays only work for an hour or two. Others offer protection for many hours. Check the label. Longer protection means fewer reapplications.
Application Type
Repellents come in different forms. Sprays are fast and cover large areas quickly. Lotions or creams stay on the skin longer but feel heavier. Wipes are great for quick touch-ups on hands and face.
Scent and Feel
Strong chemical smells bother many people. Look for repellents advertised as unscented or having a light, natural scent. Also, consider how the product feels. Greasy or sticky residues are unpleasant.
Important Ingredients and Materials
The active ingredients are what actually keep the gnats away. Know what you are applying to your skin.
- DEET: This is a very strong and proven ingredient. It works well against many biting insects, including gnats. However, some people prefer to avoid it due to its strong smell and potential skin sensitivity.
- Picaridin: Often considered a good alternative to DEET. It works almost as well but usually has less odor and feels less oily on the skin.
- Oil of Lemon Eucalyptus (OLE): This is a plant-based option. It provides good protection, especially for shorter outings. Make sure the label specifies OLE, not just plain lemon eucalyptus essential oil, for best results.
- IR3535: Another synthetic repellent that is generally gentle on the skin and effective against various small flying insects.
Factors That Affect Quality
Not all repellents are created equal. A few things can boost or lower the quality of your protection.
Concentration Level
For DEET or Picaridin, the percentage listed shows how strong it is. Higher percentages usually mean longer protection. However, very high concentrations (over 30%) do not necessarily work better; they just last longer. For a short trip, 15% might be enough. For a long hike, 25% is better.
Water Resistance
If you sweat a lot or plan to be near water, choose a water-resistant formula. These formulas stick to your skin better even when wet. If a product is not water-resistant, you must reapply it often.
Skin Safety and Irritation
Always check the warnings. Some powerful ingredients might irritate sensitive skin. Always test a small patch of skin first, especially with stronger chemicals.
User Experience and Common Use Cases
How you plan to use the repellent guides your final choice.
Backyard Barbecues and Patios
For short, stationary events, a simple spray or even a citronella candle might work. You need quick, light coverage that smells pleasant.
Hiking and Camping
Longer trips require heavy-duty protection. Look for high concentrations of DEET or Picaridin that last for several hours. Clothing treatment sprays are also very helpful here.
Gardening and Yard Work
Since you are moving and sweating, look for sweat-resistant formulas. Apply them evenly to exposed skin, like ankles and wrists, where gnats often gather.
Gnat Repellent Buying Guide FAQs
Q: What is the biggest difference between DEET and Picaridin?
A: DEET is very strong and has a distinct chemical smell. Picaridin works almost as well but usually smells much lighter and feels less oily on your skin.
Q: Do natural repellents work as well as chemical ones?
A: Natural options like Oil of Lemon Eucalyptus (OLE) work well, but their protection often fades faster than chemical options. You need to reapply them more often.
Q: Should I spray repellent on my face?
A: Never spray directly onto your face. Spray the repellent onto your hands first. Then, carefully rub it onto your face, avoiding your eyes and mouth.
Q: How often should I reapply gnat repellent?
A: This depends on the product. Check the label. Usually, if you are sweating or swimming, you must reapply every 60 to 90 minutes, even if the label says it lasts longer.
Q: Can children use all types of gnat repellent?
A: No. Some high-concentration DEET products are not recommended for very young children. Always choose products specifically labeled as safe for the child’s age group.
Q: What is the best way to protect my clothes from gnats?
A: For deep woods or heavy gnat areas, consider treating clothing with permethrin before you go. This is a powerful insecticide that bonds to fabric and lasts through several washings.
Q: Why do gnats seem attracted to me even after I apply repellent?
A: Gnats are attracted to moisture and carbon dioxide (what you breathe out). Even the best repellent cannot stop them from coming close, but it stops them from landing and biting you.
Q: Does the smell of my sunscreen affect the repellent?
A: Yes. Applying sunscreen first, and then repellent on top, can sometimes make the repellent less effective. Apply sunscreen about 20 minutes before the repellent.
Q: Are there unscented repellents that actually work?
A: Yes. Many Picaridin or IR3535 based products are marketed as unscented or have very minimal odor compared to traditional DEET products.
Q: What should I do if I get repellent in my eyes?
A: Immediately flush your eyes with clean, cool water for several minutes. If irritation continues, call a doctor.