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What is the function of a toner in hair coloring?

  1. To lighten the hair

  2. To neutralize unwanted undertones and enhance the overall color

  3. To remove existing color

  4. To volumize the hair

The correct answer is: To neutralize unwanted undertones and enhance the overall color

The function of a toner in hair coloring is to neutralize unwanted undertones and enhance the overall color. Toners are typically used after the hair has been lightened or highlighted to refine the shade and create the desired color outcome. They help to modify hues that may appear brassy or unflattering, such as yellow or orange tones, allowing for a more natural and polished look. Additionally, toners can impart a specific tone or shade to the hair, providing depth and richness to the overall color. This makes them an essential tool for achieving professional and aesthetically pleasing results in hair coloring, often transforming a good color job into a great one.