Is there specific people for whom Shurink is suitable based on skin condition rather than facial sagging?

I have heard a lot of stories from people around me who have received Shrink, but
When I actually looked into it, it seemed that not everyone receives it in the same way.

It differs depending on whether there is a lot of fat on the face or little.
The thickness of the skin and the degree of sagging will also vary from person to person.

I would like to know if the possibility or method of treatment is determined by comprehensively assessing this condition.