Top 5 Gnat Repellents: Your Quick Buying Guide

Ever tried to enjoy a beautiful summer evening outdoors, only to find yourself constantly swatting at tiny, buzzing pests? Those little gnats can turn a peaceful picnic or backyard barbecue into an annoying ordeal. They seem to appear out of nowhere, drawn to your sweet drinks and even your eyes!

Choosing the right gnat repellent can feel like a maze. Do you pick sprays, lotions, or those little plug-ins? Some products work for a little while, but then the gnats come right back. Others smell strong or leave a sticky feeling on your skin. It’s frustrating when you just want to relax without being bothered by these tiny biters.

This guide cuts through the confusion. We will explore the best and most effective gnat repellents on the market today. You will learn what ingredients actually work and how to choose a product that fits your needs, whether you are gardening, camping, or just sitting on your porch. Get ready to reclaim your outdoor time!

Top Gnat Repellents Recommendations

Bestseller No. 1
Zevo Flying Insect Killer Spray - Bug Spray for Home Use - Versatile Gnat, Mosquito, Fruit Fly Killer & More - with Rosemary & Cornmint Oil - for Indoor & Outdoor Use (3 Bottles)
  • 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.
SaleBestseller No. 2
BUGGINS Original - Insect Repellent - Gnats & Mosquitoes, DEET Free, Non-Greasy - 4 oz Pump Spray Bottle - 2 Pack
  • 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.
Bestseller No. 3
Mighty Mint Peppermint Oil Insect Repellent Spray – Indoor & Outdoor Bug Control for Spiders, Ants, Roaches, and More – Plant-Based, Extra-Strong Formula - 16 oz
  • 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.
Bestseller No. 4
STEM Kills Flies, Mosquitoes And Gnats: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide For Indoor And Outdoor Use; 10 fl oz (Pack Of 1)
  • Bug spray that quickly kills flies, mosquitoes and gnats
  • Plant-based active ingredient bug killer safe for use around people and pets (when used as directed)
  • Entomologist tested bug spray made with botanical extracts to kill bugs; with fresh scent and no added dye, fragrance, or harsh chemical odors
  • Bug killer for indoor and outdoor use, wherever bugs try to bother you
  • Rooted in Nature, Optimized by Science
SaleBestseller No. 5
Raid Essentials Fly, Gnat & Mosquito Killer Aerosol Spray, Safe for Use Around Children and Pets, 10 oz
  • Introducing Raid Essentials Flying Insect Killer that is safe* to use around kids and pets (*When used as directed)
  • Raid Essentials is made with essential oils, and is specifically designed with plant-based ingredients to kill bugs
  • Deals with house flies, bottle flies, fruit flies, gnats, moths, and mosquitoes.
  • Ideal for use all around your home (always follow use instructions); aluminum can will not rust, and features a locking cap for safety
Bestseller No. 6
Summit Mosquito and Gnat Barrier Covers 10,000 Square Feet, 1/2 gallon
  • Kills Insects Listed On Contact. Lasts Up To 4 Weeks Propelling Annoying Insects
  • Packaged In A Convenient Hose End Sprayer
  • Spray Fences, Decking, Vegetation And Other Surfaces. Covers 10,000 Sq.
  • Package Weight : 2.018 kilograms
Bestseller No. 7
Zevo Flying Insect Killer Spray - Bug Spray for Home Use - Versatile Gnat, Mosquito, Fruit Fly Killer & More - with Rosemary & Cornmint Oil - for Indoor & Outdoor Use (2 Bottles)
  • 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.

The Ultimate Buying Guide for Gnat Repellents

Gnats can turn a lovely outdoor moment into a buzzing nightmare. Choosing the right repellent is key to enjoying your time outside. This guide helps you pick the best defense against those tiny pests.

Key Features to Look For

When shopping for a gnat repellent, look for several important features. These features decide how well the product works and how safe it is to use.

1. Repellent Ingredients

The active ingredients matter most. Look for EPA-registered ingredients. Some common, effective ingredients include:

  • DEET: Very strong protection, but use carefully, especially on young children.
  • Picaridin: Often smells better than DEET and works almost as well.
  • Oil of Lemon Eucalyptus (OLE): A plant-based option that many people prefer for natural protection.

2. Duration of Effectiveness

Check how long the protection lasts. Some sprays only last an hour or two. Others offer protection for six to eight hours. Longer-lasting formulas mean fewer reapplications.

3. Application Type

Repellents come in different forms. Decide which type works best for your needs:

  • Sprays: Quick and easy to cover large areas of skin or clothing.
  • Lotions/Creams: Good for targeted application; they tend to stay on the skin longer.
  • Wipes: Excellent for quick touch-ups or for applying to faces safely (avoiding eyes).

Important Materials and Formulation

The materials in the repellent affect skin comfort and overall safety.

Skin Comfort

If you have sensitive skin, look for products labeled “hypoallergenic.” Many natural options use essential oils like citronella or peppermint. Be aware that even natural ingredients can cause reactions in some people.

Water Resistance

If you plan on sweating or swimming, choose a repellent specifically marked as “water-resistant.” This means the repellent will stick around longer, even when wet.

Factors That Improve or Reduce Quality

Not all repellents perform equally. Several factors influence their quality.

Factors That Improve Quality

Higher concentrations of proven ingredients generally mean better protection. For instance, a Picaridin spray with a 20% concentration will likely last longer than one with 10%.

Factors That Reduce Quality

Cheap formulas that use very low concentrations offer weak protection. Also, products that evaporate quickly, often due to high alcohol content, require constant reapplication. Furthermore, if the product is very old or improperly stored, its effectiveness is often reduced.

User Experience and Use Cases

How you plan to use the repellent dictates the best choice.

Outdoor Activities

For a short walk in the evening, a quick-drying spray might suffice. If you are hiking all day near standing water (where gnats thrive), you need a heavy-duty, long-lasting lotion or high-concentration spray.

Application on Children

Always read labels carefully when buying for children. Many experts suggest avoiding DEET on very young children. Look for kid-specific formulas that use lower concentrations or plant-based alternatives.


10 Frequently Asked Questions (FAQ) About Gnat Repellents

Q: Are gnat repellents the same as mosquito repellents?

A: Often, they overlap. Many effective mosquito repellents also work well against gnats because they share similar biology. Always check the label to ensure gnats are listed.

Q: How often should I reapply my gnat repellent?

A: Reapplication frequency depends on the product and the weather. Generally, reapply every 2 to 4 hours, or immediately after heavy sweating or swimming.

Q: Can I spray repellent directly onto my face?

A: Never spray repellent directly onto your face. Spray it onto your hands first, then carefully rub it onto your face, avoiding your eyes and mouth.

Q: Do natural gnat repellents work as well as chemical ones?

A: Natural repellents, like OLE, can be very effective. However, they usually require more frequent reapplication than strong chemical options like DEET.

Q: What is the main difference between DEET and Picaridin?

A: DEET is very strong and lasts a long time. Picaridin is often preferred because it does not feel as greasy and does not damage plastics or synthetic fabrics like DEET sometimes can.

Q: Should I use repellent on my clothing or my skin?

A: You can use repellent on both. Applying it to exposed skin is necessary. Treating clothing adds an extra layer of protection, especially for thick fabrics.

Q: Will gnat repellent stain my clothes?

A: DEET-based products can damage some synthetic materials or plastic items like watch bands. Picaridin is generally safer for clothing and gear.

Q: How long do unopened gnat repellents last?

A: Most unopened sprays and lotions last for about two to three years if stored in a cool, dark place. Check the expiration date on the bottle.

Q: Are there any side effects to using gnat repellent?

A: Side effects are rare when used as directed. Overuse or application to broken skin can cause irritation. If a rash develops, wash the area immediately.

Q: Do these products actually kill gnats?

A: Most repellents do not kill insects. They work by confusing the insect’s senses, making it unable to find or land on you.