Was it worth continuing to get the Jubelook even if there wasn't much difference after just one session?

I am hesitant about Juvelook because while some reviews say the skin improved after just one session, others say multiple treatments are necessary. If I don't notice a significant change after the first treatment, wouldn't it be difficult to determine if it just isn't right for my skin or if I should wait? I am curious to know how many weeks you typically observed the results before deciding on your next treatment.