I am suddenly gripped by the realization that commercial potion bottling in Harry Potter would likely be just as ridiculous if not more so than muggle perfume companies.
Because you have a very magical and fancy product– put it in something very fancy to show off someone can afford it.
“What is that, dear, on the shelf?”
“Oh, a sleeping aid by the wizard Richard Golding. What do you have around your neck, there?”
“A bit of liquid luck.”
“Amazing.”