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What is the effect of proper hydration on hair health?

  1. It causes hair to become oily

  2. It helps maintain elasticity and shine

  3. It leads to hair loss

  4. It enhances volume and thickness

The correct answer is: It helps maintain elasticity and shine

Proper hydration plays a crucial role in maintaining hair health, particularly in terms of elasticity and shine. When hair is adequately hydrated, the moisture content allows the hair strands to remain flexible, preventing brittleness and breakage. This elasticity is vital for the hair to withstand various styling processes without sustaining damage. Additionally, well-hydrated hair reflects light better, resulting in a shinier appearance. Moisture helps to smooth down the cuticle layer of the hair, which is the outermost protective layer. When the cuticle is smooth, hair looks more vibrant and healthy. In contrast, if hydration is lacking, hair can become dry and dull, leading to a more lifeless appearance and increased susceptibility to damage. Therefore, maintaining proper hydration is fundamental for promoting overall hair health, shine, and elasticity.