Home » Health & Wellness » Home Remedies How to Use Tea Tree Oil for Fleas? September 1, 2025 by Pranay David Fact checked We have a team of smart fact checkers. They make sure our content is accurate. They use the best sources like medical journals and government websites. You can find their names and profiles on the articles they check. Important: This article is for informational purposes only. Please read our full disclaimer for more details. Fleas are uncomfortable and itchy for your pets. However, they can be prevented with topical treatments, collars etc. Nowadays, these preventive measures include natural topical flea treatments like tea tree oil. But tea tree oil may be toxic to your pets. Anyways, tea tree oil is a powerful antiseptic, which repels fleas from your pets. This article will discuss how to use tea tree oil for fleas. Article Contains Does Tea Tree oil Kill Fleas? How to Use Tea Tree oil for Fleas? Lavender and Tea Tree oil Apple Cider Vinegar and Tea Tree oil for Fleas Peppermint oil and Tea Tree oil for Fleas Coconut oil and Tea Tree oil for Fleas Dawn Dish Soap and Tea Tree oil for Fleas Tea Tree oil and Eucalyptus oil for Fleas Does Tea Tree oil Kill Fleas? Tea tree oil kills and repels fleas. Bear in mind, before using it, it must be diluted with water. It can be used safely if a little amount of tea tree oil is added to water. How to Use Tea Tree oil for Fleas? Tea tree oil can be used in different ways with a variety of ingredients in order to repel fleas from your pet’s body. 1. Lavender and Tea Tree oil Lavender oil is a safe alternative to commercial products for treating fleas. It doesn’t kill fleas, but repels fleas. Ingredients: 3 drops lavender oil 2drops tea tree oil Water-filled bathtub Preparation time: 2 minutes Procedure: Mix the above ingredients with water Wash your pet How it works: lavender oil is safe to use directly on your pet’s skin. It is made from flowers and leaves. It repels fleas. Repetitions: 2 times daily Best time to apply: during bath Tips1: you should not apply it on a pregnant dog Tips2: keep it away from eyes. 2. Apple Cider Vinegar and Tea Tree oil for Fleas Apple cider vinegar doesn’t kill fleas. However, it provides an unpleasant environment for fleas. It acts as a preventive measure to protect your pet from fleas. Ingredients: 2 cups of apple cider vinegar Water-filled bathtub 3 drops of tea tree oil Preparation time: 5 minutes Procedure: Mix apple cider vinegar with the bath water Add 3 drops of tea tree oil with water Wash your pet thoroughly How it works: vinegar is used to prevent fleas. You can apply it to deodorize your pet dogs or cats. Repetitions: daily Best time to apply: during bath 3. Peppermint oil and Tea Tree oil for Fleas canva Peppermint oils are aromatic oils extracted from a plant. It is used as an insect repellent. It doesn’t kill fleas. Ingredients: 2 tbsp peppermint oil ½ cup rosemary oil 2 tbsp white cedar oil ¼ citronella oil 2 tbsp eucalyptus oil Preparation time: 15 minutes Procedure: Mix all the ingredients Soak a natural fiber rope in mixture Let it dry for few hours Tie around the dog’s neck How it works: the effectiveness of peppermint oil depends on the concentration of oil and how many times it is applied to your pet. Repetitions: every 2 weeks Best time to apply: any time [ Read: How to use Tea Tree oil for Bed Bugs ] 4. Coconut oil and Tea Tree oil for Fleas The virgin, un-refined coconut oil is the best home remedy for treating fleas. It is a natural flea killer. Ingredients: 3 drops coconut oil 3 drops tea tree oil 8-10 ounce water Preparation time: 5 minutes Procedure: Mix all the ingredients in a spray bottle Spray it to dog Rub the dog gently How it works: the use of coconut oil is cheaper than that of other flea treatments. It is used to kill fleas without affecting the dog. Repetitions: once in every day Best time to apply: before bath 5. Dawn Dish Soap and Tea Tree oil for Fleas canva The bath with dawn dish soap helps your pet’s skin to breathe. It kills fleas and makes your pet healthy and fresh. Ingredients: Water filled bathtub ½ C vinegar ½ c dawn dish detergent 2 drops tea tree oil Preparation time: 10 minutes Procedure: Fill bathtub with water Add 2 drops tea tree oil with water Mix vinegar and dawn dish detergent with water Soak your dog for 2 minutes Suds your pet up Rinse thoroughly How it works: the use of dawn dish soap and tea tree oil for bathing your pet is a homemade safe treatment for fleas. Repetitions: once daily Best time to apply: at the time of bath 6. Tea Tree oil and Eucalyptus oil for Fleas Eucalyptus oil is safe to use as an alternative to chemicals for fleas. It keeps dog’s coat healthy and vibrant. Eucalyptus oil repels fleas without hurting dog. Ingredients: 1 cup of water 2 cups of distilled white vinegar 2 teaspoons almond oil 2 drops tea tree oil 3 drops eucalyptus oil Preparation time: 15 minutes Procedure: Mix all the ingredients Put it in a spray bottle Spray it to dog’s collar except sensitive organs Let it air dry How it works: fleas hate the smell of eucalyptus oil. So, the mixture is the natural way to eliminate fleas from dog’s coat. Eucalyptus oil is not harmful to pets, children, adults. Repetitions: 2-3 times per day Best time to apply: after and between baths Pet parents generally don’t like to apply chemicals for flea treatments for dogs. As tea tree oil is extracted from the melaleuca alternifolia plant, it is a natural approach to prevent fleas on your pet. It is actually used to prevent infection. But don’t allow your pet to drink it as drinking may cause a toxic reaction in your pet. 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