I use it at all the entry points: cuffs, socks, waistband and collar.Permethrin Spray Tick Repellent MUST HAVE I've used permethrin since 2005 to prevent tick and chigger intrusions. I have had 100% success, including bushwhacking trough spring and summer marshes, forests and fields.
Permethrin Spray, DEET and Other Anti Mosquito Travel Tactics
Insect bites can kill, so protect yourself when you travel. Permethrin spray is one option - find out about the others.