I added this as my signature scent, although really I have too many fragrances to call any a signature, just because this is so 'me'. I had been hunting for the perfect iris scent, one that had that very distinct carrotty smell, minimalistic, just very centered around that note, and so this was such a great find. I tried Iris Prima from Penhaligon, Hiris by Hermès, but none felt right. Après L'Ondee I like very much (and own a bottle) but it has more of that melancholic vibe, similar do L'Heure Bleue, whereas O&S is fresh, botanical and clean, more spring-like, more uplifting. The only thing about this perfume is that I wish it had more projection, just a tiny bit, but it is otherwise perfection!
As for the 'sandalwood' bit, it kind of just adds to the powderiness of the perfume...a fresh, delicate kind of woodiness, not at all like anitque furniture. If you have ever tried Eau Claire de Merveilles, it's that kind of woodiness.