Which agent is used to decolorize hair in lighteners?

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Multiple Choice

Which agent is used to decolorize hair in lighteners?

Explanation:
In lighteners, decolorizing hair hinges on an oxidizing agent that breaks down melanin pigment. The active oxidizers used are ammonium persulfate and hydrogen peroxide, which initiate oxidation to lift color from the hair. Sodium chloride is just salt and doesn’t bleach; glycerin is a humectant that helps with moisture, not color removal; and sodium lauryl sulfate is a surfactant for cleansing, not an oxidizer. So the substance responsible for decolorizing is the oxidizing agent—ammonium persulfate or hydrogen peroxide.

In lighteners, decolorizing hair hinges on an oxidizing agent that breaks down melanin pigment. The active oxidizers used are ammonium persulfate and hydrogen peroxide, which initiate oxidation to lift color from the hair. Sodium chloride is just salt and doesn’t bleach; glycerin is a humectant that helps with moisture, not color removal; and sodium lauryl sulfate is a surfactant for cleansing, not an oxidizer. So the substance responsible for decolorizing is the oxidizing agent—ammonium persulfate or hydrogen peroxide.

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