Idaho Barber Licensure Practice Exam

Which hair type generally requires more moisture?

1. Straight hair

2. Curly and coily hair types

3. Wavy hair

4. Thinning hair

The correct answer is: Curly and coily hair types

Curly and coily hair types require more moisture due to their structure and how they interact with their natural oils. The twists and bends in these hair types can make it difficult for the scalp's sebum (natural oil) to travel down the hair shaft, leading to dryness. Additionally, the surface area of the cuticle is often rougher, which can result in moisture loss. To maintain health and manageability, curly and coily hair typically benefits from more intensive hydration and moisturizing products. In contrast, straight hair tends to distribute oils more evenly along the shaft, resulting in a naturally shinier and less dry appearance. Wavy hair also has a moderate moisture need, as its structure allows some oil distribution but can still benefit from moisture depending on its porosity. Thinning hair may require special treatment but is not specifically moisture-dependent in the same way that curly and coily hair types are. This understanding of hair types and their moisture requirements is crucial for effective hair care and management.