NHS. https://www.nhs.uk/common-health-questions/pregnancy/is-it-safe-to-use-hair-dye-when-i-am-pregnant-or-breastfeeding/#:~:text=While%20information%20about%20hair%20treatments,on%20through%20your%20breast%20milk.
Diakses pada 30 Nobember 2020Parenting First Cry. https://parenting.firstcry.com/articles/hair-coloring-or-perming-during-breastfeeding-is-it-safe/
Diakses pada 30 November 2020Healthline. https://www.healthline.com/health/natural-hair-dye
Diakses pada 30 November 2020