Homemade Mosquito Repellant - What You Need: 15 drops of Lavender Essential Oil 3 – 4 Tbsp Homemade Vanilla Extract (which is why I recommend making your own so it’s inexpensive!) 4-5 Tbsp. Lemon Juice What You Do: Mix all of the above ingredients in a spray bottle and fill the rest up with water. Spray away!!