Recipes for Homemade Flea and Tick Spray, Powder, and Shampoo My Favorite Herbal Flea and Tick Powder. Ingredients. 1-1/4 cups food-grade diatomaceous earth; 1/4 cup lemongrass powder; ...

Herbal Recipes for Homemade Flea and Tick Powder. These herbal powders are most effective when applied regularly — once or twice per week. Don’t worry about your pets licking themselves ...