Objective and Self-Perceived Facial Skin Status Using Whitening Efficacy of Cosmetic Products on Taiwanese Women

Abstract

Background: Tranexamic acid and vitamin C derivatives are important reagent used in cosmetic skin-whitening products. Recently, self-perceptions regarding improvement in facial skin status have been increasingly recognized as an important outcome of whitening cosmetic products intervention. Aims: The purpose of the study was to determine the receptiveness of objective and self-perceived facial skin status using whitening cosmetic products. Methods: A total of 40 volunteers were photographed using the Visia ® machine and completed questionnaires at pre-and post-operation (8 weeks after receiving whitening cosmetic products). Visia ® digital image analysis and questionnaires were used for assessment of facial skin status. The receptiveness of objective and self-perceived measures was assessed by paired t test and Effect Size (ES) .