Has anyone else used white vinegar as a mosquito repellent?

I recently discovered that wiping my arms and legs with white vinegar kept mosquitoes away while working in my garden. I tend to sweat a lot, so I had to reapply every hour or so. That was not a problem, however, as I kept a small bowl of vinegar nearby with a wash cloth soaking in the vinegar. Has anyone else had good luck using vinegar? What other organic methods have you found to work?

-- Jo in Norfolk, VA

That’s a fantastic discovery for your gardening sessions! It’s great when a simple, non-toxic household item provides an effective solution. To answer your questions, yes, you are not alone. Many people have found success using vinegar as a mosquito repellent, and there’s a scientific basis for why it works.

The Verdict on Vinegar as a Mosquito Repellent

You’ve stumbled upon a popular and long-standing home remedy. Here’s why your white vinegar solution is likely working:

Strong, Unpleasant Scent: The primary active component in vinegar is acetic acid, which has a pungent smell. Mosquitoes locate their targets by detecting carbon dioxide and various organic compounds that we emit, including those in our sweat. The strong aroma of vinegar can act as a “scent camouflage,” making it much harder for them to zero in on you.
Acidity and Taste: Research suggests that mosquitoes are repelled by the acidic nature of vinegar. They even have taste receptors on their feet, so when they attempt to land on a surface (like your skin) coated in vinegar, they find the taste unpleasant and are deterred from biting.

Your experience of needing to reapply it frequently, especially when sweating, is also common. Vinegar is volatile and evaporates, and sweat can dilute and wash it away, which is why repeat applications are necessary to maintain its repellent effect.

Other Effective Organic Mosquito Repellents

For those times you might want to try something different or add to your anti-mosquito arsenal, there are several other effective organic methods. Many of these have been scientifically studied and are used as active ingredients in commercial natural repellents.

Top-Tier Natural Repellents (Backed by Science)

Oil of Lemon Eucalyptus (OLE): This is the star player in the world of natural repellents. Derived from the leaves of the lemon eucalyptus tree, OLE is the only plant-based active ingredient recognized by the U.S. Centers for Disease Control and Prevention (CDC) as an effective alternative to DEET. It has been shown in studies to provide protection for several hours. Note: This is the refined oil, not to be confused with unrefined lemon eucalyptus essential oil.
Picaridin: While it is a synthetic compound, Picaridin is modeled after a natural compound in pepper plants. It is considered very effective, often comparable to DEET, but is odorless and non-greasy. It is a good option if you are looking for a powerful, but gentle-feeling, alternative.

Effective Essential Oils

Many essential oils contain compounds that repel mosquitoes. For direct skin application, they must be diluted in a carrier oil (like coconut, jojoba, or soybean oil) or mixed with water and a dispersant like witch hazel. A common dilution is 10-20 drops of essential oil per 2 ounces of carrier.

Lemongrass Oil: Contains citronellal and geraniol, well-known mosquito repellents.
Citronella Oil: A very famous natural repellent, though it often needs frequent reapplication as it evaporates quickly.
Catnip Oil: Studies have shown the essential oil from catnip (nepetalactone) to be extremely effective at repelling mosquitoes.
Cinnamon Oil: Can be a very effective repellent, but it can also be a skin irritant, so a patch test with a low concentration is crucial.
Thyme Oil: The compounds in thyme oil have been shown to offer strong protection.
Peppermint & Lavender Oil: These are often considered less potent than the options above but are pleasant-smelling and can provide some level of protection.

A Simple DIY Natural Repellent Spray Recipe

Here is a basic recipe you can try at home:

Ingredients:

1 part distilled water
1 part witch hazel (unscented)
20-30 drops of essential oils (you can use a single oil or a combination, such as 10 drops of Oil of Lemon Eucalyptus, 10 drops of Lemongrass, and 5 drops of Peppermint)

Instructions:

Combine the water and witch hazel in a small spray bottle.
Add the essential oils.
Shake well before each use. Spray on exposed skin, avoiding your eyes and mouth.

Just like with vinegar, you will need to reapply this spray every hour or two, and more frequently if you are swimming or sweating.