From Pathfinder Treasure Vault (Remastered), which isn't enabled.

Brightshade

ITEM 4

ALCHEMICAL CONSUMABLE INJURY POISON VITALITY

Price 18 gp

Usage held in 2 hands

Bulk L

Category poison

Activate (manipulate)

Brewed from a plant native to the First World, brightshade destroys tissue, living or dead. Victims of this poison take poison damage if they're alive and vitality damage if they're undead.

Saving Throw DC 21 Fortitude

Maximum Duration 6 rounds

Stage 1 1d6 poison or vitality damage (1 round)

Stage 2 2d6 poison or vitality damage (1 round)

Pathfinder Treasure Vault (Remastered)ORC