When neonatal jaundice subsides, it mostly refers to the physiological jaundice subsiding, and the baby’s skin can usually turn white in about 5 days to 4 weeks, which varies from person to person and cannot be generalized. Neonatal jaundice is due to the newborn bilirubin production is greater than the bilirubin excretion, and caused by a temporary increase in serum bilirubin, usually can subside. It appears 2~3 days after birth of full-term babies, peaks in 4~5 days, subsides in 5~7 days, and lasts for no more than 2 weeks; it appears 3~5 days after birth of preterm babies, peaks in 5~7 days, subsides in 7~9 days, and lasts for 3~4 weeks. Neonatal jaundice babies are generally in good condition, most of the full-term babies do not need treatment, preterm babies can be discretionary medication or phototherapy and so on. How long it takes for jaundice to subside and turn white varies from person to person, consult your doctor for details.