There isn't a evidence to prove the foregoing. As old skin debris are removed in technique the skin can feel quite smooth afterwards.
Espresso stands are plentiful here; you can't go more when compared to a block or two without seeing either a Starbucks coffee shop or a free-standing espresso stand. http://Dpmall.kr/bbs/board.php?bo_table=free&wr_id=1871413