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What is the ideal pH level for shampoos used in barbering?

Between 3.0 and 4.0

Between 4.5 and 5.5

The ideal pH level for shampoos used in barbering is between 4.5 and 5.5. This range is significant because it closely matches the natural pH of the scalp and hair, which is usually around 4.5 to 5.5. Maintaining this pH balance is crucial for preserving the integrity of the hair cuticle, minimizing frizz, and preventing hair damage.

Shampoos with a pH that is too low (like those ranging between 3.0 and 4.0) can cause excessive opening of the hair cuticles, leading to potential damage and increased porosity. Conversely, shampoos with a pH that is too high (such as above 6.5) can also disrupt the hair’s natural balance, potentially resulting in dryness and irritation to the scalp. Therefore, a pH level between 4.5 and 5.5 is optimal for effective cleansing while promoting healthy hair and scalp conditions.

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Between 5.5 and 6.5

Between 6.5 and 7.5

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