As two actions, you can create a vial of liquid that appears to have a visible infection in the middle that is continuously washed clean. A creature can drink the contents as an action to remove the blinded, deafened, paralyzed, or poisoned condition.

Augment

Greater Purification Potion. You can expend 1 additional catalysts to instead remove any reductions to one of its abilities, remove one effect that reduces its maximum health, remove one effect that charmed or petrified it, or reduce its exhausted level by one.