As an FYI, when I went to the doc to have a tick head dug out, he told me not to worry about Lyme disease because just the head alone can’t give it to you, they need to circulate fluids to contaminate you.
Here's a link to a product review I did for Rynoskins - clothing designed to keep ticks OFF!
question-about-repelling-ticks-1061-10.html#p8139