Your daughter seems to have dry skin which  looks like in a bad state.and if she is having this since birth can be termed as edematous dermatitis :it's a bad allergic disorder and since you are already doing a lot which does not seem to help you Look for any family history of allergy Any accompanying respiratory allergy like runny nose or frequent coughs and cold Vitamin supplementation specially zinc and vitamin a and bit d will help.

This is limited information about your skin condition and will not help in planning a treatment. A thorough history, clinical examination and appropriate laboratory tests will be needed to solve the mystery. Consider seeing a Dermatologist for proper diagnosis and treatment plan. Your description may fit into atopic dermatitis.