What is the role of hydrogen peroxide in permanent hair color formulas?

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Multiple Choice

What is the role of hydrogen peroxide in permanent hair color formulas?

Explanation:
Hydrogen peroxide in permanent hair color acts as the oxidizing developer. It supplies the oxygen needed to oxidize the small, colorless dye precursors, turning them into larger, colored molecules that stay in the hair cortex. This oxidation process is also what helps lift some of the natural pigment so the new color can develop properly. Because the goal is to create color through oxidation, hydrogen peroxide is not a reducing agent. It doesn’t provide pigments itself, and the pH of the formula is adjusted by other ingredients (like ammonia or other alkalizing agents), not by the peroxide.

Hydrogen peroxide in permanent hair color acts as the oxidizing developer. It supplies the oxygen needed to oxidize the small, colorless dye precursors, turning them into larger, colored molecules that stay in the hair cortex. This oxidation process is also what helps lift some of the natural pigment so the new color can develop properly. Because the goal is to create color through oxidation, hydrogen peroxide is not a reducing agent. It doesn’t provide pigments itself, and the pH of the formula is adjusted by other ingredients (like ammonia or other alkalizing agents), not by the peroxide.

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