@NowIveAwoken
Ah! That makes much more sense given how they look.
Perhaps a very forgettable individual will come along, engage her in discussing a matter that, while of no lasting importance, will nevertheless full take up her attention. At the end of the day she will discover her stock gone from the jars, but a tightly a generous amount of bits, tightly wrapped and padded so as to make no sound when carried, even at a gallop, in the bottom of one of them.
If so, it would then seem the local ninja clan knows the alchemical secret of extracting the moon beams from the mixture, giving them a valuable material for dyeing their stealth suits and preparing obscurement bombs, for when they need to be truly unseen, rather than merely overlooked.
EDIT: Alternatively, perhaps a scientist will come by and request funding to research that same extractive technique, but at a much more thorough level, so as to created the magical counterpart to vantablack, for use in observatory telescopes.
Ah! That makes much more sense given how they look.
Edited
The request was for her to be selling “bottles of shadow, darkness, and moon beams”