What is the best option for adding volume to face? (photos)

I have volume loss in my face. It doesn't make me look older, but less attractive. I have been on a few consultations, but no one wants to add volume to my face. They all say I look fine. My face lacks the definition it once had, I just want that back. I have attached two photos. The one with the red hat is me now, the other is a much younger photo. How do I recreate the volume I once had to my entire face?