I contacted the man who is mentioned in this article, who quit pulling by using probiotics twice a day. Recently I bought some and decided to give it a try. I did really well when I tried them and it definitely cut back the pulling a lot, and then I got out of the habit of taking them and pulling returned severely. Going to get back on track taking them. The man who cured his trich by taking probiotics used Ultimate Flora Probiotic Daily care capsules, (30 billion) live capsules, 1 capsule twice a day. He now takes 1 capsule per day, since his trich has disappeared. He is not willing to go completely off them, in case the trich returns.