Citronella, eucalyptus, peppermint, tea tree, and rosemary will all naturally repel fleas. If your dog doesn't mind a spray bottle, dilute a few drops of your chosen essential oil into a 300ml-400ml of water and spray directly onto your dog's coat.
Eucalyptus Essential Oil
Fleas hate the smell of eucalyptus so it is a great option to use around the home. Eucalyptus can be added to water in a fine mist spray bottle to spray over bedding, floors, or couches to keep fleas away.
Peppermint oil is one such essential oil that is sometimes recommended for use in pets, specifically for killing fleas.
An oral fast-acting tablet that contains Nitenpyram is the safest way to kill fleas on dogs instantly. You can also bathe your dog in hot soapy water with Dawn to kill adult fleas, but this is not a good long-term solution.
Make a homemade flea treatment by mixing six cups apple cider vinegar, four cups water, and a pinch of salt. Spray DIY treatment on the dog's coat — avoid eyes and wounds.
When diluted and used safely, tea tree oil can kill and repel fleas. But it is among the herbal treatments listed as “especially risky” in the Merck Veterinary Manual. This is because tea tree oil is difficult to dilute properly in home kitchens.
In short: using vinegar solution or white vinegar on your pet's fur or in their drinking water will not kill fleas. There is a chance ACV could repel fleas because they don't like the taste, but it is only a mild detergent and is not the best flea remedy. ACV should not be your first choice for natural flea treatment.
While coconut oil is only proven to kill fleas on contact, ingestion of coconut oil can have other health benefits.By taking 1 teaspoon per 20 lbs of body weight twice daily, you can improve your dog's coat health, skin health, improve gut health, and in some cases even aid in weight loss.
Carvacrol, derived from oregano and thyme; thymol (thyme); citronellic acid (lemongrass); and eugenol (clove) were most effective. When tested as fumigants, thymol, carvacrol, linalool (common in basil) and camphor (camphor tree) were most effective. Four of the compounds did not kill bed bugs over a 24-hour period.
Eucalyptus oil is a strong-smelling substance derived from the seeds of the eucalyptus tree. This substance can be used to kill and repel fleas on humans and animals, and may also be used on furniture, bedding, carpets and other furnishings.
While peppermint oil may deter fleas and other insects, it's not a guaranteed treatment. Peppermint oil can kill fleas, but using essential oil or a spray made of essential oil does not guarantee you'll be able to get all the fleas.
Baking soda does not kill adult fleas and will do nothing to protect your pets. It is excellent at absorbing smells and has been suggested by some online pet sites for use as a flea killer because it “may” dry out flea eggs and larvae. But there is no evidence that using baking soda to kill fleas is effective at all.
If fleas have spread throughout your house, you can make a white vinegar solution with equal parts water and vinegar to spray on carpet, baseboards, furniture and under furniture. Salt. When it's sprinkled on to the carpet salt will work as a drying agent to kill flea eggs and larvae.
Lemon spray
To make this flea spray, slice a lemon thinly and add to a pint of water and bring to the boil. Let the citrus solution sit overnight and pour into a spray bottle. The next day take the citrus solution and spray it on the infested areas in your home – sofas, pet bedding, chairs etc.
Dog Flea Spray
Fill a spray bottle with water and add 2 drops of rosemary essential oil, 2 drops of lavender essential oil, and 2 drops of lemongrass essential oil. Spray as needed on your dog's coat. Be careful not to apply it to their eyes, ears, or face.
Olive oil, like coconut oil, has a high-fat content that can suffocate fleas. It can be used alone or combined with essential oils like lavender and oregano to make your flea collar. Olive oil is entirely non-toxic to cats, so you can apply it on its own without fear of them licking it off.
A 2017 study published by the Journal of Arthropod-Borne Diseases found that thyme and myrtle essential oils can repel fleas effectively. Cedarwood oil can also repel fleas from fabric, people, and pets, according to Healthline.
Dish Soap. Dish-washing soap is an effective yet non-toxic home remedy for fleas. Trap them with the help of warm water in a bowl and a moderate amount of soap. Placing these traps in areas where fleas are pestering is highly recommended, preferably at night when they are active.
Vinegar. This natural powerhouse also can kill fleas! Mix 1/4 cup of distilled vinegar with 3/4 cup water in a spray bottle for a homemade flea spray.