Q. Is one allowed to rip or peel off dry skin on Shabbos? A. No. שוע"ר שכח, לז. וראה משנ"ב סקצ"ז, ובערוה"ש סמ"א. וראה גם קצה"ש סימן קמג סק"ג.…
Q. Is one allowed to rip or peel off dry skin on Shabbos? A. No. שוע"ר שכח, לז. וראה משנ"ב סקצ"ז, ובערוה"ש סמ"א. וראה גם קצה"ש סימן קמג סק"ג.…
As long as it is not permanent, or for a very long time, it is fine. Sources: See Minchas Chinuch Mitzvah 253. Nishmas Avraham Y.D. 180. …
You do not have to take off the dead skin. However if you do want to take it off often (regardless of Mikvah), then you would have to do it…