Its Hard Shell Is Sometimes Used as an Exfoliator
This page is the CodyCross answer for the clue below from Architectural Styles, Group 1179, Puzzle 1 (Grand Arches).
Question is: Its Hard Shell Is Sometimes Used as an Exfoliator
and the answer is: WALNUT
Word Meaning:
WALNUT — A hardwood tree of the genus Juglans.
Definitions from Wiktionary.