M BY MARIAH CAREY The M by Mariah Carey scent, which the singer created with perfumer Carlos Benaim of International Flavors and Fragrances, is a floriental. It has top notes of marshmallow and sea breeze accord, a heart of Living Tahitian Tiare and gardenia and a drydown of sheer amber, patchouli and Moroccan incense. An eau de parfum spray, M by Mariah Carey will be available in three sizes: 1 oz. for $38, 1.7 oz. for $48 and 3.3 oz. for $58. A 0.5-oz. parfum, $175, and a 6.7-oz. body lotion, $28, also will be sold. The bottle, created by Arden's Jean Antretter, is a lavender glass orb with a subtle wave design and a silver rope-patterned neck. The cap is topped by Carey's signature butterfly. The outer carton features fluttering butterflies, with a front panel that opens to reveal the fragrance.