Organ treated with exfoliants (4)
I believe the answer is:
skin
(Other definitions for skin that I've seen before include "Protective body covering" , "Outer layer of tissue" , "Outer covering" , "Living tissue" , "coat" .)
I believe the answer is:
skin
(Other definitions for skin that I've seen before include "Protective body covering" , "Outer layer of tissue" , "Outer covering" , "Living tissue" , "coat" .)