Loose skin, puffiness around jawline, hollowed out/ thin cheeks, overall droopiness - what procedures do you recommend? (Photos)

I'm 24 & my skin has started sagging rapidly over the last 2 years, it's like it happened out of nowhere, and it has greatly affected my self esteem & mental health. i don't smoke or vape, i always wear sunscreen + use moisturizer, i work out, eat decently, everything that im supposed to do. I do have TMJ as I recently learned from my dentist, I haven't been treated in any way for it yet. It feels like my lower jaw is constantly aching & i can never fully relax my jaw muscles. but i'm not even sure to what extent TMJ can affect facial elasticity. I got cheek filler earlier this year but I didn't notice a difference. I'm willing to try whatever I just don't know what would be my best option. my main issues i want to fix are: loose skin and puffiness around jawline, hollowed out/ thin cheeks, and just the overall droopiness of how I feel like my face looks