For the natural color , you can bleach and dye.
For the colored hair, you can only dye it to darker color , or do few highlights, but you can't bleach the whole piece in case it turn to strange color.
For the natural color , you can bleach and dye.
For the colored hair, you can only dye it to darker color , or do few highlights, but you can't bleach the whole piece in case it turn to strange color.