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What is the recommended pH level for hair products?

  1. Between 3.0 and 4.0

  2. Between 4.5 and 5.5

  3. Between 5.5 and 6.5

  4. Between 6.5 and 7.5

The correct answer is: Between 4.5 and 5.5

The recommended pH level for hair products falls between 4.5 and 5.5, which aligns with the natural pH of the scalp and hair. This acidic range helps maintain the integrity of the hair cuticle, promoting smoothness and shine while also preventing damage. When hair products are formulated within this pH range, they can effectively clean and condition the hair without disrupting its natural balance, thus minimizing issues like dryness or excessive oiliness. Additionally, products within this pH range help maintain optimal moisture levels in the hair, which is crucial for its health and appearance. Using products outside this recommended range can lead to cuticle lift, resulting in frizz, breakage, and an overall lack of luster.