From Pathfinder Gamemastery Guide, which isn't enabled.

Elven Absinthe

ITEM 5

Price 25 gp

Usage held in 1 hand

Bulk L

Category drug

Specialists in Kyonin prepare this emerald-green beverage.

Activate Interact

Saving Throw DC 20 Fortitude

Onset 1 hour

Maximum Duration 1 day

Stage 1 +2 item bonus to Diplomacy and Performance checks (1 hour)

Stage 2 Drained 2 (1 hour)

Stage 3 Stupefied 4 (1 hour)

Pathfinder Gamemastery GuideOGL