It looks like Morgellons. I've had it for 10 years and just found out what it was this summer because I never had the classic symptoms of red and blue fibers.
Here is a post I made on the MDjunction Morgellons board in relation to cures. I was doing very well before I went ond an eggnog binge for Christmas, lol.
Neem oil will not alone help, in my opinion. My post is in the reply for the first link: