Iris is perfumery's quiet luxury note, and its most expensive habit: the scent comes from orris root aged for years, and it smells of cool powder, violet, suede and raw silk. Nothing else reads as understated-expensive; iris is makeup-counter elegance without a single sweet edge, and it keeps whole compositions feeling dry, polished and adult. Gentleman drapes iris over pear and cardamom for one of the more quietly stylish men's picks on the mainstream shelf, and Glossier You uses an iris-musk skin effect so subtle it became a phenomenon, perfume that smells like nobody's perfume. Iris suits minimalists, autumn tailoring and people allergic to sugar in any form. It whispers, deliberately; lean in.