>>13394723wear sunscreen, eat a not shit diet, use a moisturizer that feels good, use one with retinol at night
there's some other specific compounds that get the okay from dermatologists but it's not a long list. Retinol is a good blanket fix.
Mostly, keep it up while you're young, you'll get a bunch more youthful years, hope longevity research has reversed aging by the time you're no longer young and no longer look young so you'll be young again. Pretty much only way to be young forever.