All I know is that Dawn does kill the fleas. It's a degreeser. Maybe it dries them out? I don't know? I just wish that I could find something to keep them off afterward. I've tried soooo many products. Works great for about 4-5 days. Then its start all over again. Vicks sauve works great on lice,and mites. Even on goats. I've used it!
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