desquamate
verb
[ ˈdɛskwəmeɪt ]
• (of a layer of cells, e.g. of the skin) come off in scales or flakes.
• "the pustules eventually dry and the skin desquamates"
Origin:
early 18th century (in the sense ‘remove the scales from’): from Latin desquamat- ‘scaled’, from the verb desquamare, from de- ‘away from’ + squama ‘a scale’.