Suave Daily Clarifying is a good shampoo to use. If your hair tends to be dry or unmanageable, you should buy a deep conditioner that will give your hair the nutrients it needs. You can also try an anti-dandruff shampoo. [2] X Research source
If you don’t have a plastic shower cap, you can use a plastic bag. Wrap it around your head and secure the opening in the front with a clip. If one’s available, you might also sit under a heated hair-dryer. This will distribute the heat evenly over your whole head.
You can also mix a little dish soap in with the shampoo and vitamin C if you want to boost the dye lifting power of this technique.
If you don’t have a shower cap, you can also use a plastic bag clipped in the front, or cling wrap that has been wrapped around your hair.
You can also stop up a sink and add bath salts to that if you don’t want to soak in the tub.
Follow this with a conditioning treatment.