It is most effective with a semi-permanent dye and generally takes 10 to 15 washes to eradicate the color. It is important to lather your hair thoroughly and let it sit for a few minutes. Then rinse, condition, and towel dry for best results.

3. Dishwashing Liquid Can Do More than Plates

Dishwashing liquid detergent is an acidic compound designed to remove grease and heavy oils from your dishes. Its chemical design also makes it surprisingly adept at removing the blue tint in hair.

The most effective method is to mix the dishwashing liquid with your shampoo. Then wet your hair with hot water and after it is thoroughly soaked, apply the detergent shampoo mixture. Let the mixture sit in your hair for ten minutes, then condition, rinse, and towel dry.

4. Wash Your Hair with Vitamin C

Sun exposure is the most natural of all the methods on this list. It also requires the most amount of patience as it will take a great deal of time.

Though it has proven to fade blue hair dye coloring, its success rate is varied. Factors such as your natural color and other hair treatment methods used before dying can impact its effectiveness.

The principle and how it is applied is simple. Essentially, it requires exposing your hair to sunlight for extended amounts of time over weeks. Taking long walks while leaving your head uncovered is generally the best way.

6. Color Removers

These come in two categories, color strippers, and color reducers, with the latter, recommended as it is less damaging to your hair. Color reducers can effectively remove blue hair dye without affecting your natural color.

Color reducers work by shrinking the color molecules that make up the hair dye. Once the molecules are reduced in size, they will easily wash out of your hair. You must follow the manufacturer’s instructions explicitly to make certain you do not damage your hair.