If No. 5 L'Eau were an item of clothing, it would be a simple, short-sleeved linen blouse.
If it were a colour, it would be ivory.
If it were a time of day, it would be 10 in the morning on a Saturday, when the weekend is still full of promise.
A few days ago, at a local branch of a ye olde generic perfume departmente, I overheard two teenage girls deciding which tester to grab for a quick spritz. 'Oooh, what about Chanel No. 5,' one of them said, chuckling, 'you can't go wrong with that.' Her friend paused for a moment and frowned. 'No,' she said, 'I think I do like it. But it's a bit too grown up for me.' That sums up the issue which has almost certainly led to the brand releasing a new flanker to their icon: No. 5 L'Eau, composed by Olivier Polge.