Stick to the same category (floral, Oriental, citrus, or spicy). Don't panic—you won't have to figure it out on your own. Just tell the saleswoman that she wears, say, Thierry Mugler Angel, and she'll steer you toward a match, like Marc Jacobs Lola (with the same vanilla and musk notes, spiced up with pink peppercorn).
— From THE GUY'S GUIDE TO BUYING FRAGRANCE FOR A WOMAN at Allure.