Girls, hello everyone and good vibes ??? You've helped me so many time…

Girls, hello everyone and good vibes ??? You've helped me so many times, I just gave birth three days ago, could you please tell me what kind of oil is good for my baby's body? The skin dries up and small cracks appear on folds, I'm really worried ?? And second question, how do I clean his nose with something to clean it? Thanks in advance girls ??