See this blog post by Silvercloud, entitled, "The Big Surprise"
But it is a drug, pretty much like alcohol. You cant see it, most times
Postprandial ( Vanilla, Irish Cream, Coffee, Chocolate, Bourbon, Pipe Tobacco )is a dark gourmand fragrance, an evenings libation incorporating a medley of liqueurs, among them sweet, creamy vanilla, and woody, oak-heavy bourbon, and which contains a true cacao absolute and an organic dark roast coffee tincture
A systemic cause is more likely in adults who suddenly develop recurrent oral ulceration with no prior history
Another example of how Big Tobacco has effectively killed brands and blends by making recipe changes, cheapening the product in one way or another, or simply killing a brand and sending the formula to the dead files