“Baby bath milk, should it be rinsed?”
Rinsing is not mandatory, but you can perfect the baby's hygiene with a cleansing water to remove any traces of milk.

Rinsing is not mandatory, but you can perfect the baby's hygiene with a cleansing water to remove any traces of milk.
Also read:
Baby bath, how to do it?
Cleansing water, is it enough?
Washing milk, is it hydrating?