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Finding a perfume similar to Obsession by Calvin Klein begins by identifying the fragrance's top, middle and bottom notes. Obsession is a high-end, Oriental-floral women’s perfume with top notes of mandarin, bergamot, vanilla and green nuances. Its middle notes are jasmine, orange blossom, sandalwood, vetiver and exotic spices. Finally, the perfume’s bottom notes are amber, oakmoss, incense and musk. Determine what you like most about Obsession and choose a fragrance with similar notes.

Must de Cartier

Must de Cartier, a fragrance by Cartier, is a high-end women's perfume classified in the Oriental fragrance family. Must de Cartier begins with top notes of bergamot, tangerine, lemon, Aldehydes, peach and rosewood. The middle notes include jasmine, leather, carnation, ylang-ylang, and Orris ochid. The fragrance finishes with bottom notes of amber and musk. Like Obsession, its top notes contain citrus elements and bergamot, its middle notes include jasmine and oriental flowers, and finishes with amber and musk. Must de Cartier is ideal for day or evening wear.

Prada

Prada, by Prada, is an Oriental, woody, high-end fragrance for women. It is similar to Obsession, but slightly more intense. Prada begins with top notes of bergamot, bitter orange, orange oil, and mandarin blossom. Among the middle notes are patchouli, balsam, rose absolute ABS, and mimosa India. Base notes include Tonka bean, vanilla, musk and sandalwood. Prada is somewhat more earthy than Obsession because of the added patchouli, but is very similar in its citrus, Oriental and floral elements.

Moschino

Moschino perfume, the classic 1987 version from Moschino, is very similar to Calvin Klein’s Obsession, but spicier in the middle notes and is a nice alternative for someone who enjoys Obsession. Moschino begins with top notes of coriander, galbanum, and honeysuckle and develops with its middle notes of ylang-ylang, gardenia, rose, carnation, patchouli, pepper, clove, nutmeg and sandalwood. The fragrance’s base notes are amber, musk, and vanilla. Because of the spiciness of Moschino, it can be worn as a unisex scent.