You pick one up from the basket full, and investigate further. It says the only ingredients are Cyclomethicone and fragrance
0.33 fl. oz in a glass roller vial
The lab seems to be bubbling everywhere, with random small micro-explosions. The Gnome alchemist definitely seems a bit busy, but you notice a note nearby. 'One of the longer-lasting perfumes, a little goes a long way. Get that +2 to your Charisma-based checks.'