Bed Bug Repellent Travel Spray - Keep bed bugs at bay naturally. Recipe for "Bed Bug be Gone" Spritz 1 C. water 10 drops lavender 10 drops rosemary 10 drops eucalyptus 3 drops clove 1 teaspoon vodka (acts as an emulsifier) Fill several bottles, use some as refills or distribute to fellow travel buddies. When you get to your hotel room, do not put your suitcase on the bed or the floor, use a luggage rack or set in the shower. Pull back the comforter and sheets and spray between all layer. Essential oils are not oily so don't worry about staining the linens.