Do Mosquito Repellent Expire

Do mosquito repellent expire? Some of my friends will be out camping this weekend, and they want to know if their mosquito repellent will expire before their trip is over. They are on the fence about bringing mosquito repellent in the first place, so I need to find information that supports the idea of bringing it and switching it out every few days, versus how long it lasts. Have you ever wondered how long mosquito repellent lasts after opening it? You’re not alone. It can be challenging to tell how long mosquito repellent will last without knowing the expiration date. I’ve created a list of 7 things that need to be figured out if you want to know when mosquito repellent expires. Mosquito repellent “expire”? They’re chemicals so I’m sure of it, right? Not exactly. The active ingredients in most mosquito repellents degrade with exposure to sunlight, moisture and air over time, meaning when the package says that their product lasts for up to 10 years, this is an ideal situation where you store it in a cool, dark place and always use fresh sprays. It’s the summertime and that means that there are going to be more and more mosquitos around. While they can be a nuisance, they also carry some serious diseases. Mosquito repellent is an important tool to protect yourself from mosquitos. However, I was wondering if mosquito repellent expires? After all, we don’t want to be using expired medicine in order to avoid contracting diseases. That being said, let’s check out if mosquito repellent expires.

Do Mosquito Repellent Expire


On a recent camping trip, I found myself surrounded by mosquito bites. I did a quick review of my first aid kit and realized that my bug repellents were expired! To make sure this doesn’t happen to you, let’s see if do repellents expire, how long they last for, and what happens when they’re past their expiration date.

Do Mosquito Repellent Expire

The short answer is yes. They do expire, and if you’re not sure about how long your repellents last, it’s best to just toss them out anyway.

The long answer: All mosquito repellent products have expiration dates printed on the back of their packaging. While the length of time that they’ll last depends on the type of product—sprays tend to expire sooner than lotions or gels—it’s always better to err on the side of caution and toss any expired spray cans out for good measure.

The even longer answer: Some people choose natural insect repellents like citronella candles or plant-based oils as alternatives to traditional store-bought sprays with DEET (N, N-diethyl-meta-toluamide), but these also have an expiration date printed directly onto them as well (in this case “best used before” or “best by”). Again, just because something is natural doesn’t mean it won’t spoil eventually; if you can’t remember when you bought it but there is still some liquid left in a bottle after three years’ time has passed since opening then throw away anything that seems doubtful while keeping everything else stored safely until next summertime when mosquitoes are at their worst again!

Short answer is yes they do.

Yes, they do. The short answer is that most repellents have an expiration date stamped on them. This means don’t use them after that date because they won’t work as well or at all.

Most sprays and lotions will tend to lose their effectiveness after two to three years, but gels and candles can last for most of a decade if sealed correctly.

The fine print on the back of a repellent product will tell you how long it’s good for and most products have an expiration date stamped on them.

The fine print on the back of a repellent product will tell you how long it’s good for and most products have an expiration date stamped on them. But once you’ve opened it, how long will it keep working?

The effective life of a mosquito repellent differs by type. Some are more time sensitive than others. Mosquito gels and candles can last for most of a decade if sealed correctly. This is because they contain pyrethrins, which degrade rapidly when exposed to air or sunlight (like in their original packaging). Other sprays may lose effectiveness in two or three years—but still provide some protection against mosquitoes during this period.

Most sprays and lotions will tend to lose their effectiveness after two to three years, but gels and candles can last for most of a decade if sealed correctly.

Most sprays and lotions will tend to lose their effectiveness after two to three years, but gels and candles can last for most of a decade if sealed correctly.

If you decide to use an older spray, make sure that it’s at least six months old before opening it up. If the container is damaged or leaking, toss it out immediately—it probably won’t work anymore anyway.

If you’re not sure about your repellents, throw them out.

  • If it smells bad, it’s probably bad.
  • If it has a strange color, it’s probably bad.
  • If it doesn’t work, it’s probably bad.
  • If it’s not in a sealed container, it’s probably bad.

You can use a natural insect repellent like Oil or Lotion of Lemon Eucalyptus which has been proven to be effective in many studies.

You can use a natural insect repellent like Oil or Lotion of Lemon Eucalyptus which has been proven to be effective in many studies. Natural ingredients have been used for centuries and are safe for children, pets and the environment.


If you want to know more about your mosquito repellent, there are many resources available online. Be sure to check out the CDC’s recommendations for safe use and alternative products such as lemon eucalyptus oil or citronella candles before making any decisions. Then go enjoy a bug-free summer!

The following code will create the contents of your blog section:

Thermacell Patio Shield Mosquito Repeller, Blue; Highly Effective Mosquito Repellent for Patio; No Candles or Flames, DEET-Free, Scent-Free, Bug Spray Alternative; Includes 12-Hour Refill
Price : $19.98
Features :

  • EFFECTIVE MOSQUITO PROTECTION: Thermacell Mosquito Repellent Patio Shield creates a 15-foot zone of protection against mosquitoes. Use this sleek repeller on patios, decks, pools, and more. Turn It On… Mosquitoes Gone.
  • HEAT-ACTIVATED TECHNOLOGY: No cords or batteries. Powered by a safe and compact 12-hour fuel cartridge. Emits scent-free repellent that drives away mosquitoes. Unscented repellent mats last up to 4 hours each and change color when time to replace.
  • EFFECTIVELY REPEL WITHOUT SPRAY OR SCENT: Repel mosquitoes without DEET sprays or lotions on your skin. No smoke, flames, or harsh odors like citronella. Enjoy max protection in 15 minutes.
  • PLANT-INSPIRED REPELLENT FORMULA: Our synthetic allethrin formula is inspired by repellent extracts found in plants. Independently tested and EPA reviewed for safety & effectiveness. People and pet friendly.
  • THERMACELL GUARANTEE: Extend warranty to 2 years with registration (automatic 1-year warranty included). Backed by Thermacell Guarantee. See packaging for details. Includes repeller, 12-hour fuel cartridge, and three repellent mats.

Additional Info :

Color Glacial Blue
Item Dimensions
Height 6.5 Inches
Width 3.4 Inches
Length 3.4 Inches
Weight 0.6 Pounds
SUMMIT CHEMICAL CO 117-6 30OZ Mosquito Bits
Price : $19.99
Features :

  • Quick acting formula
  • EPA registered in all 50 states
  • Available in a 30oz size

Additional Info :

Color Yellow
Item Dimensions
Height 9 Inches
Width 12 Inches
Length 12 Inches
Weight 1.87 Pounds
Cutter 61067 HG-61067 32Oz Rts Bug Free Spray, 1 pack, Silver Bottle
Price : $7.69 ($0.24 / Ounce)
Features :

  • KILLS FAST: Kills mosquitoes, listed ant types, fleas and other listed insects
  • QUICKFLIP HOSE-END SPRAYER: Hose-end-sprayer activates spray at the flip of a switch – just grip, flip and go
  • LASTS ALL SUMMER: Controls up to 12 weeks against house crickets, carpenter ants, harvester ants, lady beetles and earwigs
  • COVERAGE: Treats up to 5,000 square feet of lawn
  • NO MIXING REQUIRED: Attach the sprayer to a garden hose to treat your lawn, landscape and outdoor surfaces where insects hide

Additional Info :

Color Silver Bottle
Item Dimensions
Height 11.5 Inches
Width 2 Inches
Length 5.25 Inches
Weight 1.08 Pounds
Mosquito Repellent Incense Sticks 50 Pieces per Box, Repellent for Patio /Natural Ingredients Citronella Oil/Lemongrass Oil/Made with Natural Based Essential - DEET Free - Mosquito Repellent Outdoor
Price : $14.95
Features :

  • ★ REPELLENT INCENSE STICKS Are 50 STICK With Burnt Time of 40-45 MIN Approximately (wind May Reduce Burn Time) You Will Receive 50 Repellent Incense Sticks
  • ★ NATURAL INGREDIENTS made with plant based ingredients- DEET FREE and pet friendly – Smell Pleasant While Deterring Unwanted Guests / DEET FREE — Our Repellent Incense sticks are completely DEET FREE.
  • ★ MOSQUITOS OUTDOOR PROTECTION our repellent incense sticks are useful to deter mosquitoes especially around your favorite outdoor spaces – swimming pool, backyard, porch, patio, camping, picnic, fishing or just working at the garage during mosquito season.
  • ★ MOSQUITO REPELLENT FOR PATIO OR ANY OUTDOOR ACTIVITY: Ideal mosquito protection while outdoors: whether at home on the patio, deck or backyard; at the park, beach, or pool deck; while camping, fishing or enjoying any other outdoor events.

Additional Info :

Item Dimensions
Height 0.6 Inches
Width 3 Inches
Length 13 Inches
RiptGear Mosquito Repellent Patches - 78 Pack of Bug Repellent Stickers for Kids and Adults, Natural Mosquito Repellent Sticker, Citronella Patch Sticks to Any Surface - DEET Free Mosquito Repellent
Price : $27.95
Features :

  • CITRONELLA PATCH: Infused with citronella oil, these patches help repel mosquitos and does not kill them. Citronella works naturally to mask the scents of carbon dioxide and lactic acid that mosquitos are attracted to.
  • MOSQUITO PATCH STICKERS: The patches are made using all-natural plant-based ingredients. They are 100% DEET-free. When you notice the citronella scent has faded, you should discard the patch as it has lost its effectiveness.
  • STICK THEM ANYWHERE: The RiptGear insect repellent stickers are great for children and adults. You can apply them to your clothing, tables, backpacks, and even strollers. You should not apply these directly to your skin. They were designed to work in all weather conditions.
  • CONVENIENT BUG REPELLENT: The small stickers are perfect for traveling and can be packed in a purse, suitcase, or backpack. The patches come in a resealable bag to ensure they are always fresh, effective, and ready for use.
  • MOSQUITO REPELLENT FOR KIDS: These unique insect patches are an excellent alternative to bug spray, bracelet, or bands to prevent the chance of bug bite while being outdoors. Enjoy protection from insects without having to reapply citronella spray.

Additional Info :

Color Green
Item Dimensions
Height 1 Inches
Width 3 Inches
Length 7 Inches
Weight 0.5 ounces

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