Welcome to Psych Central (PC) sorry to hear of your uncomfortableness.
There is field of study for sensory processing disorder - a relative cannot stand certain fabrics against there skin or certain sensations
Psych Central - Search results for Sensory processing disorder
You may find these forums also a help
OCD and Trichotillomania - Forums at Psych Central
And these articles might also be illuminating
OCD and Trichotillomania - Forums at Psych Central