| 摘要 |
An insect repellent aqueous formulation comprising a combination of at least two essential oils, citrus peel tincture, and vinegar. A method of preparing an insect repellent aqueous formulation comprising: Mixing a combination of essential oils with an emulsifier and citrus tincture; Adding to the mixture obtained in (a) distilled water at a temperature of about 40° C. and vinegar, wherein the final volume/volume concentration of water is 90% and the final volume/volume concentration of vinegar is about 5%; Mixing the solution obtained in (b) for about 2 hours at ambient temperatures using a mechanical stirrer; and Allowing the mixed solution to rest prior to administration.
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