Do i keep using dandruff shampoo after the shampoo is gone?

i've been using shampoo for my dandruff. it is working but i was wondering if i keep on using it after the shampoo is goneDo i keep using dandruff shampoo after the shampoo is gone?
I would say that you should continue to use the dandruff shampoo like twice a week, and use your other shampoo on the other days. If the dandruff starts to come back, then resume using it daily again.Do i keep using dandruff shampoo after the shampoo is gone?
first, buy more shampoo





keep using it.
Duh when the shampoo is gone it is gone.