At latest update, relevant published data on excretion into breast milk were not found. Absorption through the skin and mucosa is nil, in addition it is known to be almost nil via gastrointestinal tract. Hence, it is unlikely its appearance in the mother's plasma or the milk. Authorized medication for use in small infants and newborns. It is recommended to avoid putting creams, gels and other products for local use that could contain paraffin (mineral oil) on the nipple, in order to keep from absorbing it by the child. WHO Model List of Essential Medicines (2002): compatible with breastfeeding.