Here is how you can make your own dog hair detangler: - Take 1 cup of rosemary water and add 1 teaspoon of aloe vera gel. The aloe vera gel will work as an emulsifier - Add to this mixture a couple of drops of coconut or argan oil. The oil is the main ingredient so make sure you don't skip this step - Let the mixture cool for one hour, and put it in a spray bottle Voila, your own home-made dog hair detangler. Use it after every bath to give your dog a shiny coat. Now, you can make your own hair detangler, but it will take some time to get the formula just right. In conclusion, if you don't have time, we suggest you buy one of the best dog hair detanglers that we have listed above.