Chacham Ovadia Yosef in Yabia Omer 5:30 writes that picking ones nose is a davar she'eino mitkavein for pulling out hairs and should be permissible, but we are stringent and forbid it when it's a p'sik reisha. He also brings a case of rubbing ones beard is also a p'sik reisha seemingly. He then brings a story of the Arizal who on shabbas touched his beard and left it there until the end of shabbas because of this issue of ripping out hairs. See there.

Chacham Ovadia Yosef in Yabia Omer 5:30 writes that picking ones nose is a davar she'eino mitkavein for pulling out hairs and should be permissible, but we are stringent and forbid it when it's a p'sik reisha. He also brings a case of rubbing ones beard is also a p'sik reisha seemingly. He then brings a story of the Arizal who on shabbas touched his beard and left his hand there until the end of shabbas because of this issue of ripping out hairs. See there.

Chacham Ovadia in Yabia Omer 5:30 writes that picking ones nose is a davar saheino metkavein for pulling out hairs and should be mutar,but we are machmir when its a psik reisha.He also brings a case of rubbing ones beard is also a psik reisha seemingly.He then brings a story of the Arizal who on shabbas touched his beard and left it there until the end of shabbas because of this issue of ripping out hairs.ayin sham.

Chacham Ovadia Yosef in Yabia Omer 5:30 writes that picking ones nose is a davar she'eino mitkavein for pulling out hairs and should be permissible, but we are stringent and forbid it when it's a p'sik reisha. He also brings a case of rubbing ones beard is also a p'sik reisha seemingly. He then brings a story of the Arizal who on shabbas touched his beard and left it there until the end of shabbas because of this issue of ripping out hairs. See there.