Permethrin is only used on clothes , not on skin. It is the best remedy . Don't overuse deet on skin. It's a carcinogen !!!!
http://www.lymeneteurope.org/info/deet-versus-permethrin-as-a-tick-repellent
http://www.lymeneteurope.org/info/deet-versus-permethrin-as-a-tick-repellent