pf2e.fyi
From Pathfinder Lost Omens Character Guide, which isn't enabled.

Formulated Sunlight

ITEM 0
CONSUMABLE
Price 40 sp
Usage held in 1 hand
Bulk L
Uses 7

A leshy can derive nourishment from specially formulated bottles of sunlight instead of natural sunlight.

Pathfinder Lost Omens Character GuideOGL