You found a potion (4991429)

Summary

The Gratlo's Vampiric Sunscreen Gel is a blue potion in a copper jug. The vampiric sunscreen potion mitigates any penalties taken from sunlight. The jug is well maintained and smells of bubblegum, tastes sugary, and has a gelatinous texture. The mediocre gel is considered a trivial magical item. This potion was created over a century ago by a catfolk.

Description If Found...

"Buried in a pile of refuse is a potion in a copper jug. The jug is well maintained and contains a layered, blue gel that smells of bubblegum, tastes sugary, and has a gelatinous texture."