Abstract
The effects and efficacies of cosmetics can be evaluated by human or instruments. Therefore, we can classify those methods into instrumental evaluation and sensory evaluation. Both methods have merits and defects.
Sensory evaluation is important in products development of cosmetics since effects and efficacies of cosmetics are often dependent on individual and are difficult to define and measure objectively.
This report introduces SD-methods and Ohajiki-methods for investigating the quality of lipsticks. Furthermore, Q-Methodology is tested on lipsticks. As a result, we obtained key information from consumers to develop new lipsticks.
