Our expert says:
Hallo New Dad
That hair on her back is called lanugo. That is hair that protects the baby and will be replaced with normal hair, but on the back for example there may not grow much hair.
Please do not give her any water. If she is breastfed that will have all the water and nutrients she needs. Even with formula she doen not need water. Milk is the only thing your baby need untill she reaches 6 months of age.
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