Do you mix it yourself? I have never heard of neem tree extract. I gave him a bath in Apple Cider Vinegar and it seems to have done the trick for now.

Aleth wrote: Hi Dana! I use organic citronella and neem tree exctract in coconut oil for my dogs. I apply it daily and it smells lemony :D My big dogs use frontline spot-on once a month. There's an application for small dogs too. It's highly effective.