Do you have to go under the dryer to get the results of a straw set or can you just roll your hair t

In my experience, a straw set does not take long to dry. You can set it and let it air dry, but it would probably take a long time depending on hair texture and length

Do you have to go under the dryer to get the results of a straw set or can you just roll your hair th?

Dryer is required. I checked because I was thinking about getting a straw set, and you have to go under the dryer.