Would it be okay to try Rejuran once and then decide whether to continue?

I am looking into Rejuran because I am concerned about my dry skin and fine texture.

However, paying for multiple episodes from the start is a bit of a burden, and
I would like to try it once first and decide after seeing my skin reaction.

I wonder if there are many people who decide whether to proceed with additional procedures after receiving it just once.
I am wondering if I can get a sense of whether the treatment suits my skin based on just the first session.