Perhaps exposure to pheromone signatures over a period of time has the potential to influence a person’s conceptual/emotional model of the wearer. This is obvious when first meeting a person, as they have no pre-existing model. We sometimes think they don’t work on people we already know, because they don’t show such dramatic effects. However, this is probably more due to the fact that they already have a model of the wearer. That model can be chipped away at and slowly influenced to change through the use of pheromones though.
After the change in a mental model has occurred it is not surprising that the behaviors continue even when you’re not wearing artificial pheromones. What would be really unusual is if the models that change slowly instantly snapped back to a previous state when you didn’t wear pheromones.
We should be careful how we steer others’ impressions of ourselves, because we could be dealing with the consequences for a long time.