For dandruff do the oiling in hairs as much as you can. Oiling is the only way to remove dandruff try it.

You can use lemon juice to clean the hair...use a comb and neem oil..

how old is your baby? oil your baby's hair regularly and if there are lice, clean it frequently. if ur baby is a toddler... see if any of their friends or family members are having... as it passes from person to person