In the hope of clearing up the confusion, a group of researchers led by Robin Hare of the University of Western Australia have performed one of the most stringent studies to date.

[...] The study thus found no evidence that either AND or EST is a pheromone. Those who buy pheromone perfumes based on them would therefore appear to be wasting their money.

— Read more at My chemical romance: Two putative human sex pheromones turn out not to be at The Economist.