- 1). Thoroughly and evenly wet your hair. Apply the blue shampoo evenly throughout your hair, working it into a thick lather.
- 2). Rinse out the blue shampoo, and repeat the application, again bringing the shampoo to a thick lather. Leave the shampoo in your hair for 3 to 5 minutes.
- 3). Rinse the blue shampoo from your hair. You will have removed the yellow tone, which leaves your hair a bright white. Towel-dry your hair. Blow-dry and style your hair as usual.
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