If you want to show how well your product improves hair shine or lustre, then you might consider performing a hair shine test.

Healthy shiny hair is what consumer always ask for.  Hair products can improve shine in a number of different ways.  The most common approach is simply through improving conditioning and controlling hair alignment.  Our shine tests can be used to measure these effects.  Shine tests can also be used to explore how hair damage prevention or repair can improve overall shine.

Publications

Keis et al (2004)