Non-dyed hair never has perfectly even color. Bleach is not a hair dye its more of a color strip. If you only want a 100% all natural hair dye then use the plant based henna hair color. Meanwhile, temporary dyes and highlight treatments should be able to color hair without the need for harsh chemicals.
More specifically, the question is which color of hair will hair dye affect the most. Never mix different hair dye products, because you can induce potentially harmful reactions (if not an unappealing hair color). White girls can dye their hair any color they want.
The same hair color dyes are used as are used in other permanent hair color products. Because permanent dyes contain hydrogen peroxide, they cover gray hair more effectively and can be used to lighten hair color, unlike other dyes. Underground Color is a semi-permanent hair dye, which means it won’t wash out the next day. The law does not require that coal tar hair dyes be approved by FDA, as is required for other uses of color additives.
The solution of hair dyes does not allow for any, “gradual,” color change when, and if, you feel it’s time to do so. However frequent...