Place approximately 1,000 mg of vitamin C tablets into a sealed plastic bag. Use a rolling pin to crush the tablets into a fine powder. [1] X Research source

You may add a few squirts of dish soap to the solution. [2] X Research source

You may distribute the mixture through your hair with a wide toothed comb. If your scalp begins to burn, rinse out the product immediately. [3] X Research source

Repeat this as needed. [4] X Research source

In a disposable bowl, combine equal parts clarifying shampoo, bleaching powder, and 20 volume creme developer. [5] X Research source

Cut 2 locks of hair from inconspicuous spots. Tape the cut ends of each lock. Set 1 lock of hair aside to use as your control. Apply the mixture to second lock. Let the mix sit for 5 minutes and then rinse the lock of hair. Dry the lock and compare it to the control. Repeat this process until you achieve the desired results. Add up the total amount of time it took for the product to fade your hair. [7] X Research source

Rinse your hair under warm water and towel dry your tresses. Coat your dyed hair with the mixture—cover the entire shaft from root to tip. Put on a shower cap and place an old towel around your shoulders. Allow the mixture to process for the same amount of time as the test. Remove the cap and rinse your hair in warm water. [8] X Research source

Apply a generous amount of clarifying shampoo to your damp hair. Coat each shaft from the root to the tip. Work the product into a lather. When the shampoo begins to turn the color of the dye, put on a shower cap and let the product sit in your hair for several hours. Rinse the shampoo from your hair. Comb a moisturizing conditioner to your hair. After a few minutes, rinse the conditioner out of your hair. Repeat this as desired. To create a slightly stronger fading agent, mix together equal parts shampoo and baking soda. Apply this mixture to your dyed hair as described above. Instead of shampoo, you may use dish soap. Dish soap will remove slightly more color than clarifying shampoo. It will also leave your hair drier and frizzier. [10] X Research source

Apply a tablespoon of detergent to your damp hair. Work the soap into a lather. When the soap becomes the color of the hair dye, cover your hair with a shower cap. As soon as the product begins to burn, rinse it out of your hair. Coat your scalp and locks with a moisturizing conditioner to rehydrate your hair. Rinse the conditioner out of your hair. Repeat as desired. After treating your hair with laundry detergent, you may want to apply a deep conditioning treatment to your dry tresses. [11] X Research source

Always apply the product to your dyed hair as instructed. Always buy a hair dye stripper or reducer that is compatible with the type of dye you used. [13] X Research source