This year marks the 40th anniversary of Diptyque's first fragrance, L'Eau, originally introduced in 1968. To celebrate, the line has launched a trio of unisex colognes: L'Eau de L'Eau, L'Eau des Hesperides and L'Eau de Neroli. All three were developed by perfumer Olivier Pescheux.
L’Eau de L’Eau pays homage to L'Eau (go ahead, translate that in your head), which was said, in turn, to have been based on a 16th century potpourri recipe. I haven't tried L'Eau in some years; my testing notes, probably written in late 2003 or early 2004, say “it is warm and spicy but sheer at the same time: an almost aqueous feeling: potpourri under water. Very nice, would absolutely never wear it.” My tastes have expanded pretty dramatically since then…