Yes you can! There is no evidence that this affects breastfeeding! Only that baby might not like the smell :) https://sg.theasianparent.com/dye-hair-while-breastfeeding/?utm_source=search&utm_medium=app
Best to ask your doctor, they have high education for a reason. I dyed my hair during pregnancy and after pregnancy, my doctor let me. so it depends on your doc..
You can, but not recommended. Maybe search for an organic dye?
Not encourage to do so even with organic product hair dye.
I think best to use the organic dye
Yes, you can but not recommended
Yes.. Then pump and dump
Best to avoid.
Best to avoid
Not advisable