Vaseline can lock moisture in, form a barrier. I do use it on my feet after I put shea butter on my feet and hands at night. Then put loose socks/.gloves on for a few hours at least if not overnight.
Makes my feet stay softer, less trouble with callouses. But vaseline on my face makes more plugged pores, etc..
It all depends on your skin tho. My MIL used crisco for years on her face and neck. She had smooth skin,but lots of wrinkles .
Jane