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This study found that laser-based goniophotometry can effectively monitor changes in hair surface reflection related to color and cuticle cell tilt across different ethnic origins.

This study employed a laser-based method to analyze how light reflection patterns vary on human hair fibers, revealing changes related to hair color and the tilt of the cuticle cells.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.

This study found that hair luster increased with higher fiber pigmentation and application of specific cosmetic oils and styling resins, while micronized ZnO and synthetic sebum dulled hair.