How to moisturize babies dry skin

L

My babies skin is just so dry and I’ve tried Vaseline, aveeno, eucerin, aquaphor and ceravee and have been adding eczema relief oatmeal powder to her bath. I also am using all natural- no fragrance soap. I have been slathering her multiple times a day and it doesn’t seem to help all that much. Any products other mamas would recommend?