The range of pH for alkaline waves is between?

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Multiple Choice

The range of pH for alkaline waves is between?

Explanation:
Alkaline waves rely on a strongly basic environment to swell the hair and allow the reducing agent to break and rearrange the disulfide bonds. This action works best when the pH is around 9.0 to 9.6, which provides enough alkalinity to lift the cuticle and promote bond disruption while still allowing controlled processing. Lower ranges like 7.0–8.0 are only mildly alkaline and won’t swell the hair sufficiently, while acidic ranges around 5.0–6.0 keep the cuticle closed and hinder chemical action. An extremely high pH, such as 11–12, risks excessive swelling and damage. Therefore, 9.0–9.6 is the correct range for alkaline waves.

Alkaline waves rely on a strongly basic environment to swell the hair and allow the reducing agent to break and rearrange the disulfide bonds. This action works best when the pH is around 9.0 to 9.6, which provides enough alkalinity to lift the cuticle and promote bond disruption while still allowing controlled processing. Lower ranges like 7.0–8.0 are only mildly alkaline and won’t swell the hair sufficiently, while acidic ranges around 5.0–6.0 keep the cuticle closed and hinder chemical action. An extremely high pH, such as 11–12, risks excessive swelling and damage. Therefore, 9.0–9.6 is the correct range for alkaline waves.

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