Please read: https://www.ecocolors.net/index.cfm?pg=OpenLetter and read: https://www.ecocolors.net/index.cfm?pg=ABreaktroughInHairColoring It's ultimately up to any individual to ask their physician what they should do and make their own decisions about their body. Eco colors has been used by pregnant stylists who had normal babies...but ultimately it is up to you to decide.