At the Study Center, we use various methods to assess skin shine and oiliness. These are often used in combination to test the effectiveness of a product or ingredient.
This can involve assessment by experts or by the study participants themselves, as well as physical measurement methods such as sebumeters, sebum tapes, or glossmeters.
For objective assessment by our experts or semi-objective assessment by the study participants, visible or perceptible skin characteristics are evaluated on a scale.
The different measurement methods determine different criteria: