Which step is used to adjust the pH after a relaxer by neutralizing hydroxide ions?

• A. Normalizing Lotion
• B. Neutralization
• C. Shampoo
• D. Rinse

Answer: (A)

After a relaxer, the hair is very alkaline, which opens the cuticle and breaks disulfide bonds. The step that adjusts the pH by neutralizing hydroxide ions is the neutralization step. Applying a neutralizer introduces an oxidizing action that stops the relaxing chemical process, neutralizes the remaining alkali, and helps rebuild the bonds in the new texture. This drives the pH back toward acidic levels, helps close the cuticle, and stabilizes the hair structure. A normalizing lotion is often used afterward to re-balance moisture and pH, but the essential action of neutralizing hydroxide ions occurs during the neutralization step.