Upon contact or ingurgitation, it deals 1d12 poison damage, or half if the target passes a DC15 Constitution check. 
If the target fail the save it gets the sickened condition.

You can use the poison in this vial to coat one slashing or piercing weapon or up to three pieces of ammunition. Applying the poison takes an action.  Once applied, the poison retains potency for 1 minute before drying.

Notes: Consumable, Cursed