No, dye does not contain bleach. Dye is formulated to add color to hair or fabrics, while bleach is a chemical that removes color by lightening. However, some hair color products may contain bleach or lightening agents in formulations designed for lightening hair before applying dye, but standard hair dye itself is not a bleach. Always check the product ingredients for clarity.
If you dye over bleach and then strip that new dye out after you no longer need it, the bleach will come out, too.
You have to bleach your hair before you dye it, because the bleach lightens your hair. You can't put dye on your hair until it's light, and you cannot mix the two together.
Because you need to dye it and NOT bleach it... if you bleach it your retarted and stupid for not knowing that.
Bleach removes dye by breaking down the color molecules in the dye, making them unable to reflect light and thus appear invisible. The bleach's chemicals cause a chemical reaction with the dye molecules, altering their structure and causing them to lose their color.
No if you have a light color you do not thing to bleach it
bleach the red dye out.
You can dye it with hair products or you can bleach it
1st use bleach, then the dye
Bleach them then dye them.
Bleach
Bleach
Regular bleach 'chlorine' will ruin nylon. Instead use RIT color remover. You can re-dye afterwards with an acid dye.