How to Make Natural Mosquito Repellent? | Effective DIY Recipes

Natural mosquito repellent is made by diluting essential oils like lemon eucalyptus or citronella in a carrier such as witch hazel or vinegar, then reapplying every few hours.

For the full breakdown, see our best Natural Mosquito Repellents guide.

If you want to avoid synthetic chemicals this summer, you can mix effective repellents at home with a few ingredients from your pantry. The secret is combining the right essential oils with a carrier base — water, witch hazel, vinegar, or a skin-safe oil — and knowing that homemade sprays need frequent reapplication.

Which Essential Oils Actually Repel Mosquitoes?

Other oils with solid backing include citronella, lavender, peppermint, tea tree, lemongrass, and rosemary.

Keep in mind that natural oils vary in potency. What works well in one region may not hold up in another, and some people simply attract more mosquitoes than others. A good approach is to test a small amount of oil on your forearm first to see how your skin reacts before applying it more broadly.

Simple DIY Mosquito Repellent Spray Recipes

The most direct spray recipes combine a liquid base with 10–40 drops of essential oil, depending on the formula. Here are the most commonly cited combinations:

• Basic vinegar spray: 1 cup water + 1 cup apple cider vinegar + 10–15 drops of your chosen oil. Shake well and spray on skin or clothing, avoiding eyes and mouth.
• Witch hazel spray: 1 part essential oil + 10 parts witch hazel, or 1/4 teaspoon (24 drops) oil per 4 ounces of water for a diluted 1% solution.
• Indoor/outdoor spray: 2 oz distilled water + 2 oz white vinegar + 10–20 drops of each oil you are using.
• Rosemary spray: 1/4 cup apple cider vinegar + 1/4 cup water + 40 drops rosemary oil.
• Eucalyptus spray: 1/3 cup witch hazel + 1/3 cup water + 40 drops eucalyptus oil.

Mix everything in a clean spray bottle and shake vigorously before each use — oil and water naturally separate as it sits. Distilled water or cooled boiled water is preferred over tap water to reduce contamination risk, and clean containers are essential. Reapply every 2–3 hours because DIY formulas break down faster than commercial options.

Oil-Based Skin Repellent Options

For a longer-lasting skin application, mix essential oils into a carrier oil rather than water. Two reliable formulas are:

• Coconut oil blend: 1/3 cup coconut oil + 15 drops peppermint essential oil. Rub onto exposed skin, avoiding the face.
• Carrier oil dilution: 3–5 drops essential oil per 1 ounce of fractionated coconut oil or sweet almond oil.

Oil-based repellents cling to the skin longer than water sprays, making them a good pick for evenings on the patio. However, they can feel greasy and may stain clothing, so apply them to skin only.

What Not to Do

Skipping the shake-before-use step leads to uneven coverage as the oil and water separate. Many people also assume a homemade spray lasts as long as a commercial product, which it does not; plan to reapply every couple of hours.

Avoid spraying near the eyes or mouth or on irritated or sunburned skin. Buy your oils from a reputable source and verify ingredient compatibility before mixing, since research on some natural repellents is still limited.