First of all, mix 8 tablespoons of baking soda with a half cup of water.
Now, mix baking soda and water mixture with 8 ounce of your regular use shampoo.
Your homemade clarifying shampoo is ready now.
Use it regularly to wash your hair, but not too frequently.
These were some tips on how to use a mixture of baking soda and your regular shampoo to lighten your hair color. This recipe is well suited for people with oily or normal scalp type. Add one or two tablespoons of honey to the mixture to make it suitable for dry hair type.