The answer to 'natural flea repellent' is to use essential oils, herbs, and other natural ingredients to help deter fleas from your home and pets. Some effective natural flea repellents include lemongrass, lavender, peppermint, and diatomaceous earth. These can be used in a variety of ways, such as spraying on your pet's bedding, applying topically to your pet, or placing around your home.
When using natural flea repellents, be sure to follow the instructions carefully and do a patch test first to ensure your pet or family members don't have any adverse reactions. You may need to reapply the repellent more frequently than chemical treatments, and it's important to also vacuum and clean your home regularly to remove any existing flea eggs or larvae.