20 drops cedarwood
1 cup cornstarch
Add essential oil to cornstarch and stir to distribute. Let sit a few days, enough time for the oils to dissipate through the cornstarch. Rub into the animal's fur. You could use some of the other repellent essential oils for this formula, but I choose cedar because it is less toxic should the animal decide to lick its fur.
Hope your animals will get some relief:) which they will.