I have brown hair,What's your hair type?
I have blue hair, and my hair type is 4A
Brown hair is characterized by higher levels of the dark pigment eumelanin and lower levels.
That's cool I didn't knoow that. I do know that blue dyes have stronger ions, which makes it harder  to remove.
They are natural  dyes natural dyes are vegetable dyes from plant sources—roots, berries, bark, leaves, and wood—and other biological sources.
Oh okay that is cool, so our hair are kind of like plants?
Sure, it would interest you to know that in China ,dyeing with plants, barks and insects has been traced back more than 5,000 years.