Tick Repellent for Humans Recipe - 1 white vinegar (2 cups), water (1 cup) and Eucalyptus, peppermint or citrus oils (20 drops). Get a spray bottle and mix all these ingredients and then spray on clothing and skin. Recipe - 2 vegetable oil (2 tbsp.), aloe vera gel (1 tbsp.), rose geranium essential oil (20 drops) and lavender essential oil (20 drops).