From Pathfinder Gamemastery Guide, which isn't enabled.

Cytillesh

ITEM 5

UNCOMMON ALCHEMICAL CONSUMABLE DRUG INGESTED POISON

Price 30 gp

Usage held in 1 hand

Bulk L

Category drug

Deros use cytillesh in a variety of ways, and some surface-dwellers seek out the fungus for their own use. Memories lost to cytillesh can be restored through modify memory. The save for addiction to cytillesh is DC 20, and the addiction has the virulent trait.

Activate Interact (Ingested)

Saving Throw DC 15 Fortitude

Maximum Duration 8 hours

Stage 1 Stupefied 1 (1 minute)

Stage 2 lose all memories made in the previous hour (1 hour)

Pathfinder Gamemastery GuideOGL