Is it safe to be a model for cosmetic training of PDO thread lift?

I am 39 and starting to see loss of elasticity in my neck and jaw. My sister is a PA that will be attending a training to learn how to do PDO threads. I have been looking into my options to help my skin, including the threads and laser treatments. I would love to do it but I am afraid of the setting being a “training” and my sister’s obvious inexperience. Everything I have read says to go to an experienced provider. Is it more or less likely to experience problems as a patient in a training