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What is the significance of using lye in a relaxer?

To condition the hair

To break disulfide bonds in hair

Using lye in a relaxer is significant because it facilitates the chemical process necessary to alter the structure of the hair. The primary purpose of lye, which is sodium hydroxide, is to break the disulfide bonds found in the hair's protein structure, primarily keratin. These strong bonds give hair its natural wave or curl pattern. When disulfide bonds are broken, the hair can be straightened and reshaped, resulting in a smoother and more manageable appearance.

Other options relate to functions that lye does not perform. While conditioning the hair, adding color, or enhancing shine are important aspects of hair care and styling, the role of lye in a relaxer specifically pertains to the structural changes in the hair fibers rather than any of these cosmetic characteristics. Understanding the function of lye in this context is vital for practicing safe and effective chemical hair treatments in a professional setting.

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To add color to the hair

To enhance hair shine

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